gcc/ChangeLog:

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* bitmap.h (class auto_bitmap): New constructor taking
	bitmap_obstack * argument.

From-SVN: r248018

This gets rid of one allocation per bitmap.  Often the bitmap_head is
now on the stack, when it isn't its part of some other struct on the
heap instead of being refered to by that struct.  On 64 bit platforms
this will increase the size of such structs by 24 bytes, but its an over
all win since we don't need an 8 byte pointer pointing at the
bitmap_head.  Given that the auto_bitmap owns the bitmap_head anyway we
know there would never be a place where two auto_bitmaps would refer to
the same bitmap_head object.

gcc/ChangeLog:

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* bitmap.h (class auto_bitmap): Change type of m_bits to
	bitmap_head, and adjust ctor / dtor and member operators.

From-SVN: r248017

From-SVN: r248016

2017-05-09  Nicolas Koenig  <koenigni@student.ethz.ch>

	PR fortran/80442
	* array.c (gfc_ref_dimen_size): Simplify stride
	expression
	* data.c (gfc_advance_section): Simplify start,
	end and stride expressions
	(gfc_advance_section): Simplify start and end
	expressions
	(gfc_get_section_index): Simplify start expression 

2017-05-09  Nicolas Koenig  <koenigni@student.ethz.ch>

	PR fortran/80442
	* gfortran.dg/impl_do_var_data.f90: New Test

From-SVN: r248012

compare-elim.c (equivalent_reg_at_start): Return NULL_RTX when returned register mode doesn't match original mode.

	* compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
	when returned register mode doesn't match original mode.

From-SVN: r248009

2017-05-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* io.c (gfc_resolve_dt): Fix returns to bool type.

From-SVN: r248008

2017-05-12  Jeff Law  <law@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
	we look for cc setter after the compare-elim changes.
	* config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
	within the vector to match what compare-elim now expects.
	(subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
	(xorsi3_flags, one_cmplsi2_flags): Likewise.

	* config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
	after the compare-elim changes.
	* config/rx/rx.md (abssi2_flags): Fix order of patterns within
	the vector to match what compare-elim now expects.
	(addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
	(andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
	(iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
	(ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
	(ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.

	* config/visium/visium.c (single_set_and_flags): Fix where
	we look for cc setter after the compare-elim changes.
	* config/visium/visium.md (flags_subst_logic): Fix order of patterns
	with the vector to match what compare-elim now expects.
	(flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
	(add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
	(addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
	(sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
	(subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
	(neg<mode>2_insn_set_overflow): Likewise.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r248007

a private array offset.

From-SVN: r248006

	gcc/
	PR middle-end/79794
    	* expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
	maybe_expand_insn call, set ops[0].target.  If still set after call,
	set alt_rtl.  Add extra arg to recursive calls.
	(extract_bit_field): Add alt_rtl argument.  Pass to
	extract_bit_field.
	* expmed.h (extract_bit_field): Fix prototype.
	* expr.c (emit_group_load_1, copy_blkmode_from_reg)
	(copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
	to extract_bit_field_calls.
	(expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
	Pass alt_rtl to extract_bit_field calls.
	* calls.c (store_unaligned_arguments_into_psuedos)
	load_register_parameters): Pass extra NULL to extract_bit_field calls.
	* optabs.c (maybe_legitimize_operand): Clear op->target when call
	gen_reg_rtx.
	* optabs.h (struct expand_operand): Add target bitfield.

From-SVN: r248004

From-SVN: r248003

From-SVN: r247998

From-SVN: r247996

re PR testsuite/80643 (NA->FAIL: gcc.dg/pr79214.c gcc.dg/pr79222.c gcc.dg/pr79223.c gcc.dg/tree-ssa/builtins-folding-gimple-ub.c)

gcc/testsuite/ChangeLog:

	PR testsuite/80643
	* gfortran.dg/mvbits_7.f90: Prune diagnostic output incidental
	to the purpose of the test.

From-SVN: r247993

compare-elim.c (try_eliminate_compare): Canonicalize operation with embedded compare to [(set (reg:CCM) (compare:CCM...

	* compare-elim.c (try_eliminate_compare): Canonicalize
	operation with embedded compare to
	[(set (reg:CCM) (compare:CCM (operation) (immediate)))
	 (set (reg) (operation)].

	* config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.

From-SVN: r247992

	PR target/80723
	* config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
	cost of adding a carry flag for ADC instruction.
	[case MINUS]: Ignore the cost of subtracting a carry flag
	for SBB instruction.

From-SVN: r247991

[gcc]

2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>

	* config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
	and x86intrin.h
	* config/rs6000/bmiintrin.h: New file.
	* config/rs6000/bmi2intrin.h: New file.
	* config/rs6000/x86intrin.h: New file.



[gcc/testsuite]

2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>

	* gcc.target/powerpc/bmi-andn-1.c: New file
	* gcc.target/powerpc/bmi-andn-2.c: New file.
	* gcc.target/powerpc/bmi-bextr-1.c: New file.
	* gcc.target/powerpc/bmi-bextr-2.c: New file.
	* gcc.target/powerpc/bmi-bextr-4.c: New file.
	* gcc.target/powerpc/bmi-bextr-5.c: New file.
	* gcc.target/powerpc/bmi-blsi-1.c: New file.
	* gcc.target/powerpc/bmi-blsi-2.c: New file.
	* gcc.target/powerpc/bmi-blsmsk-1.c: new file.
	* gcc.target/powerpc/bmi-blsmsk-2.c: New file.
	* gcc.target/powerpc/bmi-blsr-1.c: New file.
	* gcc.target/powerpc/bmi-blsr-2.c: New File.
	* gcc.target/powerpc/bmi-check.h: New File.
	* gcc.target/powerpc/bmi-tzcnt-1.c: new file.
	* gcc.target/powerpc/bmi-tzcnt-2.c: New file.
	* gcc.target/powerpc/bmi2-bzhi32-1.c: New file.
	* gcc.target/powerpc/bmi2-bzhi64-1.c: New file.
	* gcc.target/powerpc/bmi2-bzhi64-1a.c: New file.
	* gcc.target/powerpc/bmi2-check.h: New file.
	* gcc.target/powerpc/bmi2-mulx32-1.c: New file.
	* gcc.target/powerpc/bmi2-mulx32-2.c: New file.
	* gcc.target/powerpc/bmi2-mulx64-1.c: New file.
	* gcc.target/powerpc/bmi2-mulx64-2.c: New file.
	* gcc.target/powerpc/bmi2-pdep32-1.c: New file.
	* gcc.target/powerpc/bmi2-pdep64-1.c: New file.
	* gcc.target/powerpc/bmi2-pext32-1.c: New File.
	* gcc.target/powerpc/bmi2-pext64-1.c: New file.
	* gcc.target/powerpc/bmi2-pext64-1a.c: New File.

From-SVN: r247988

2017-05-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/60430
	* g++.dg/cpp0x/pr60430.C: New.

From-SVN: r247986

	* tree-vrp.c (vrp_dom_walker::before_dom_childern): Push unwinding
	markers.

	* g++.dg/tree-ssa/ssa-dom-thread-4.c: Update expected output.

From-SVN: r247985

gcc/
	PR middle-end/80707
	* tree-cfg.c: Remove cfg edges of unreachable case statements.

gcc/testsuite/
	PR middle-end/80707
	* g++.dg/pr80707.C: New test.

From-SVN: r247984

    
    Pass in the calling (containing) Bfunction when invoking the Backend
    method call_expression(), so as to handle the case where generation of
    the call forces the creation of a temp var within the calling
    function.
    
    Reviewed-on: https://go-review.googlesource.com/43270

From-SVN: r247981

	* system-linux-arm.ads (Memory_Size): Use Long_Integer'Size
	instead of Word_Size.

	Revert
	2017-03-28  Andreas Schwab  <schwab@suse.de>

	PR ada/80117
	* system-linux-aarch64-ilp32.ads: New file.
	* gcc-interface/Makefile.in (LIBGNAT_TARGET_PAIRS_COMMON): Rename
	from LIBGNAT_TARGET_PAIRS.
	(LIBGNAT_TARGET_PAIRS_32, LIBGNAT_TARGET_PAIRS_64): Define.
	(LIBGNAT_TARGET_PAIRS): Use LIBGNAT_TARGET_PAIRS_COMMON, and
	LIBGNAT_TARGET_PAIRS_64 or LIBGNAT_TARGET_PAIRS_32 for -mabi=lp64
	or -mabi=ilp32, resp.

From-SVN: r247979

[gcc]

2017-05-10  Will Schmidt  <will_schmidt@vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
	early expansion of vector divide builtins.
	(builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
	builtins identified as having unsigned arguments.


[gcc/testsuite]

2017-05-10  Will Schmidt  <will_schmidt@vnet.ibm.com>

	* gcc.target/powerpc/fold-vec-div-float.c: New.
	* gcc.target/powerpc/fold-vec-div-floatdouble.c: New.
	* gcc.target/powerpc/fold-vec-div-longlong.c: New.

From-SVN: r247977

[gcc]

2017-05-10  Will Schmidt  <will_schmidt@vnet.ibm.com>

	* config/rs6000/rs6000.c (gimple-fold.h): New #include.
	(rs6000_gimple_fold_builtin): Add handling for early GIMPLE
	expansion of vector logical operations (and, andc, or, xor,
	nor, orc, nand)

[gcc/testsuite]

2017-05-10  Will Schmidt  <will_schmidt@vnet.ibm.com>

	* gcc.target/powerpc/fold-vec-logical-ands-char.c: New.
	* gcc.target/powerpc/fold-vec-logical-ands-int.c: New.
	* gcc.target/powerpc/fold-vec-logical-ands-longlong.c: New.
	* gcc.target/powerpc/fold-vec-logical-ands-short.c: New.
	* gcc.target/powerpc/fold-vec-logical-ors-char.c: New.
	* gcc.target/powerpc/fold-vec-logical-ors-int.c: New.
	* gcc.target/powerpc/fold-vec-logical-ors-longlong.c: New.
	* gcc.target/powerpc/fold-vec-logical-ors-short.c: New.
	* gcc.target/powerpc/fold-vec-logical-other-char.c: New.
	* gcc.target/powerpc/fold-vec-logical-other-int.c: New.
	* gcc.target/powerpc/fold-vec-logical-other-longlong.c: New.
	* gcc.target/powerpc/fold-vec-logical-other-short.c: New.

From-SVN: r247976

2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>

[gcc]
        * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
        * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.

From-SVN: r247975

rs6000.c (rs6000_gimple_fold_builtin): Add handling for early GIMPLE expansion of vector multiplies.

[gcc]

2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
        early GIMPLE expansion of vector multiplies.

From-SVN: r247974

	PR libstdc++/78939
	* include/std/utility (tuple_size<cv T>): Only define partial
	specializations when tuple_size<T>::value is valid.
	* testsuite/20_util/tuple/78939.cc: New.
	* testsuite/20_util/tuple/cv_tuple_size_neg.cc: New.

From-SVN: r247973

From-SVN: r247972

2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

    gcc/
    * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
    TARGET_HAVE_MOVT conditional.
    (movt splitter): Likewise.

From-SVN: r247971

re PR c++/49604 (forward-declared enum's elements in class scope gets default access (class vs struct))

2017-05-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/49604
	* g++.dg/cpp0x/forw_enum14.C: New.
	* g++.dg/cpp0x/forw_enum15.C: Likewise.

From-SVN: r247969

    
    Change memory allocation accounting for stacks to use stacks_sys,
    since that seems to be what it is for.
    
    Reviewed-on: https://go-review.googlesource.com/43297

From-SVN: r247967

2017-05-12  Richard Biener  <rguenther@suse.de>

	* tree-ssa-sccvn.h (has_VN_INFO): Declare.
	* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
	Fold all stmts not inplace.

	* g++.dg/tree-ssa/ssa-dse-2.C: Adjust.

From-SVN: r247966

2017-05-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/67687
	* g++.dg/cpp0x/constexpr-ice17.C: New.

From-SVN: r247964

2017-05-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80713
	* tree-ssa-pre.c (remove_dead_inserted_code): Clear
	inserted_exprs bit for not removed stmts.

	* gcc.dg/torture/pr80713.c: New testcase.

From-SVN: r247963

With high -j parallelism the autofdo tests can randomly fail.
autofdo uses Linux perf to record profiling data.
Linux perf uses a locked perf buffer. By default it has
around 516k buffer per uid (/proc/sys/kernel/perf_event_mlock_kb).

An individual perf record tries to grab the full 516k,
which makes parallel perf record fail.

This patch limits the perf buffer for individual perf record to 8k.
With the default settings this allows a parallelism of the test
cases of 16, which is hopefully good enough

(if not would need to add some kind of semaphore, or ask
the user to increase the limit as root)

I also removed an unneeded -o perf.data option

Thanks to Marcin to finally spotting the problem.

Passes bootstrap and test on x86_64-linux. Ok for trunk?

gcc/testsuite/:

2017-05-12  Andi Kleen  <ak@linux.intel.com>

	PR testsuite/77684
	* lib/target-supports.exp (profopt-perf-wrapper):
	Add -m8 option to increase parallelism.

From-SVN: r247962

	gcc/c/
	* c-parser.c (c_parser_omp_clause_num_gangs)
	(c_parser_omp_clause_num_workers)
	(c_parser_omp_clause_vector_length): Merge functions into...
	(c_parser_oacc_single_int_clause): ... this new function.  Adjust
	all users.
	gcc/testsuite/
	* c-c++-common/goacc/parallel-dims-1.c: New file.
	* c-c++-common/goacc/parallel-dims-2.c: Likewise.

From-SVN: r247960

	libitm:
	* testsuite/lib/libitm.exp: Load scanlang.exp.

	libgomp:
	* testsuite/lib/libgomp.exp: Load scanlang.exp.

	libatomic:
	* testsuite/lib/libatomic.exp: Load scanlang.exp.

From-SVN: r247959

	gcc/
	PR middle-end/69921
	* tree-parloops.c (create_parallel_loop): Set "oacc kernels
	parallelized" attribute for parallelized OpenACC kernels.
	* omp-offload.c (execute_oacc_device_lower): Use it.
	gcc/testsuite/
	* c-c++-common/goacc/classify-kernels-unparallelized.c: Adjust.
	* c-c++-common/goacc/classify-kernels.c: Likewise.
	* c-c++-common/goacc/kernels-counter-vars-function-scope.c:
	Likewise.
	* c-c++-common/goacc/kernels-double-reduction-n.c: Likewise.
	* c-c++-common/goacc/kernels-double-reduction.c: Likewise.
	* c-c++-common/goacc/kernels-loop-2.c: Likewise.
	* c-c++-common/goacc/kernels-loop-3.c: Likewise.
	* c-c++-common/goacc/kernels-loop-g.c: Likewise.
	* c-c++-common/goacc/kernels-loop-mod-not-zero.c: Likewise.
	* c-c++-common/goacc/kernels-loop-n.c: Likewise.
	* c-c++-common/goacc/kernels-loop-nest.c: Likewise.
	* c-c++-common/goacc/kernels-loop.c: Likewise.
	* c-c++-common/goacc/kernels-one-counter-var.c: Likewise.
	* c-c++-common/goacc/kernels-reduction.c: Likewise.
	* gfortran.dg/goacc/classify-kernels-unparallelized.f95: Likewise.
	* gfortran.dg/goacc/classify-kernels.f95: Likewise.
	* gfortran.dg/goacc/kernels-loop-2.f95: Likewise.
	* gfortran.dg/goacc/kernels-loop-data-2.f95: Likewise.
	* gfortran.dg/goacc/kernels-loop-data-enter-exit-2.f95: Likewise.
	* gfortran.dg/goacc/kernels-loop-data-enter-exit.f95: Likewise.
	* gfortran.dg/goacc/kernels-loop-data-update.f95: Likewise.
	* gfortran.dg/goacc/kernels-loop-data.f95: Likewise.
	* gfortran.dg/goacc/kernels-loop-n.f95: Likewise.
	* gfortran.dg/goacc/kernels-loop.f95: Likewise.

From-SVN: r247957

	gcc/
	* omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
	Set "oacc kernels" attribute.
	* omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
	parameter.  Adjust all users.
	(oacc_fn_attrib_kernels_p): Remove function.
	* omp-offload.c (execute_oacc_device_lower): Look for "oacc
	kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
	* tree-ssa-loop.c (gate_oacc_kernels): Likewise.
	* tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
	assert "oacc kernels" attribute is set.
	gcc/testsuite/
	* c-c++-common/goacc/classify-kernels-unparallelized.c: Adjust.
	* c-c++-common/goacc/classify-kernels.c: Likewise.
	* c-c++-common/goacc/classify-parallel.c: Likewise.
	* c-c++-common/goacc/classify-routine.c: Likewise.
	* gfortran.dg/goacc/classify-kernels-unparallelized.f95: Likewise.
	* gfortran.dg/goacc/classify-kernels.f95: Likewise.
	* gfortran.dg/goacc/classify-parallel.f95: Likewise.
	* gfortran.dg/goacc/classify-routine.f95: Likewise.

From-SVN: r247955

	gcc/testsuite/
	* c-c++-common/goacc/classify-kernels-unparallelized.c: New file.
	* c-c++-common/goacc/classify-kernels.c: Likewise.
	* c-c++-common/goacc/classify-parallel.c: Likewise.
	* c-c++-common/goacc/classify-routine.c: Likewise.
	* gfortran.dg/goacc/classify-kernels-unparallelized.f95: Likewise.
	* gfortran.dg/goacc/classify-kernels.f95: Likewise.
	* gfortran.dg/goacc/classify-parallel.f95: Likewise.
	* gfortran.dg/goacc/classify-routine.f95: Likewise.

From-SVN: r247953

	libgfortran/
	* runtime/environ.c (weak_secure_getenv): Fix "__secure_gettime"
	vs. "__secure_getenv" typo.
	(secure_getenv): Fix "HAVE__SECURE_GETENV"
	vs. "HAVE___SECURE_GETENV" typo.

From-SVN: r247952