compiler: Flatten erroneous subtrees into errors.

    Between the lowering and flattening passes of the compiler, there are
    several passes that modify the lowered Go parse tree and as errors are
    discovered, several nodes transform into error nodes.  However, for a
    higher level node such as a construction expression, the erroneous
    nodes in the subtrees might not propagate their error.  The flatten
    phase for a node now looks for errors in the subtree and flattens the
    node into an error node if any are found.

    Fixes golang/go#11559, golang/go#11536, golang/go#11558.

    Reviewed-on: https://go-review.googlesource.com/13097

From-SVN: r226845

Daily bump.

From-SVN: r226844

re PR c++/53330 (new() operator can return NULL on a zero-length allocation)

2015-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/53330
* g++.dg/init/new42.C: New.

From-SVN: r226840

re PR target/67071 (GCC misses an optimization to load vector constants)

[gcc]
2015-08-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/67071
* config/rs6000/predicates.md (easy_vector_constant_vsldoi): New
predicate to allow construction of vector constants using the
VSLDOI vector shift instruction.

* config/rs6000/rs6000-protos.h (vspltis_shifted): Add
declaration.

* config/rs6000/rs6000.c (vspltis_shifted): New function to return
the number of bytes to be shifted left and filled in with either
all zero or all one bits.
(gen_easy_altivec_constant): Call vsplitis_shifted if no other
methods exist.
(output_vec_const_move): On power8, generate XXLORC to generate
a vector constant with all 1's. Do a split if we need to use a
VSLDOI instruction.

* config/rs6000/rs6000.h (EASY_VECTOR_MSB): Use mode mask to
properly test for the MSB.

* config/rs6000/altivec.md (VSLDOI splitter): Add splitter for
vector constants that can be created with VSLDOI.

[gcc/testsuite]
2015-08-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/67071
* gcc.target/powerpc/pr67071-1.c: New file to test PR 67071 new
vector constants.
* gcc.target/powerpc/pr67071-2.c: Likewise.
* gcc.target/powerpc/pr67071-3.c: Likewise.

From-SVN: r226836

Revert "replace several uses of the anon namespace with GCC_FINAL"

This reverts commit daa5a8a3cf9b04cd9af5544c61e12e6dca14f870.

From-SVN: r226834

re PR c++/67104 (Constant expression factory function initializes std::array with static storage duration strangely)

PR c++/67104
* constexpr.c (cxx_eval_array_reference): Fix typo.

From-SVN: r226833

re PR c++/67104 (Constant expression factory function initializes std::array with static storage duration strangely)

PR c++/67104
* constexpr.c (cxx_eval_array_reference): Handle sparse
CONSTRUCTORs.

From-SVN: r226830

re PR c++/67108 (ICE: in cxx_eval_call_expression, at cp/constexpr.c:1345 when dumping)

PR c++/67108
* decl2.c (c_parse_final_cleanups): Set at_eof to 2 at end.
* error.c (dump_template_bindings): Don't tsubst in that case.

From-SVN: r226829

xtensa: add -mauto-litpools option

With support from assembler this option allows compiling huge functions,
where single literal pool at the beginning of a function may not be
reachable by L32R instructions at its end.

Currently assembler --auto-litpools option cannot deal with literals
used from multiple locations separated by more than 256 KBytes of code.
Don't turn constants into literals, instead use MOVI instruction to load
them into registers and let the assembler turn them into literals as
necessary.

2015-08-12  Max Filippov  <jcmvbkbc@gmail.com>
gcc/
* config/xtensa/constraints.md (define_constraint "Y"): New
constraint.
* config/xtensa/elf.h (ASM_SPEC): Add m(no-)auto-litpools.
* config/xtensa/linux.h (ASM_SPEC): Likewise.
* config/xtensa/predicates.md (move_operand): Match constants
and symbols in the presence of TARGET_AUTO_LITPOOLS.
* config/xtensa/xtensa.c (xtensa_valid_move): Don't allow
immediate references to TLS data.
(xtensa_emit_move_sequence): Don't force constants to memory in
the presence of TARGET_AUTO_LITPOOLS.
(print_operand): Add 'y' format, same as default, but capable of
printing SF mode constants as well.
* config/xtensa/xtensa.md (movsi_internal, movhi_internal)
(movsf_internal): Add movi pattern that loads literal.
(movsf, movdf): Don't force constants to memory in the presence
of TARGET_AUTO_LITPOOLS.
(movdf_internal): Add 'Y' constraint.
* config/xtensa/xtensa.opt (mauto-litpools): New option.
* doc/invoke.text (Xtensa options): Document -mauto-litpools.

From-SVN: r226828

re PR c++/67161 (ICE with a static_assert using our internal __not/__or/__and traits)

PR c++/67161
* error.c (dump_decl) [TEMPLATE_ID_EXPR]: Pass
TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS.

From-SVN: r226827

re PR c++/55095 (Wshift-overflow)

PR c++/55095
* c-common.c (maybe_warn_shift_overflow): Properly handle
left-shifting 1 into the sign bit.

* c-c++-common/Wshift-overflow-6.c: New test.
* c-c++-common/Wshift-overflow-7.c: New test.
* g++.dg/cpp1y/left-shift-2.C: New test.

From-SVN: r226826

compiler: Don't make gc symbol for bad array type.

    When parsing a malformed array type, i.e. invalid length, gccgo
    would loop indefinitely based off of a uninitialized length variable.

    Fixes golang/go#11539.

    Reviewed-on: https://go-review.googlesource.com/13066

From-SVN: r226825

re PR c++/52742 (Initializing an array using brace initializer and template parameters)

2015-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/52742
* g++.dg/cpp0x/pr52742.C: New.

From-SVN: r226824

arm-fpus.def: Replace booleans with feature flags.

* config/arm/arm-fpus.def: Replace booleans with feature flags.
Update comment.
* config/arm/arm.c (ARM_FPU): Update macro.
* config/arm/arm.h (TARGET_NEON_FP16): Update feature test.
(TARGET_FP16): Likewise.
(TARGET_CRYPTO): Likewise.
(TARGET_NEON): Likewise.
(struct arm_fpu_desc): Remove fields neon, fp16 and crypto.  Add
field features.

From-SVN: r226821

Fix warnings when bootstrapping on darwin with vtable verification enabled.

libstdc++-v3/ChangeLog:

2015-08-11  Caroline Tice <cmtice@google.com>

        PR 66521, Contributed by Eric Gallager
        * acinclude.m4 (VTV_CXXLINKFLAGS): Make this variable OS-specific, and
        fix the rpath flag to work properly for darwin.
        * configure: Regenerated.

From-SVN: r226820

Remove --with-host-libstdcxx

2015-08-12  Tom de Vries  <tom@codesourcery.com>

PR other/67092
PR other/67098
* configure.ac: Remove --with_host_libstdcxx support.
* configure: Regenerate.

* doc/install.texi: Remove --with_host_libstdcxx item.  Update
--with-stage1-libs, --with-boot-ldflags and --with-boot-libs items
accordingly.  Mention default for --with-stage1-ldflags.

From-SVN: r226819

arm.h (arm_fpu_feature_set): New.

* config/arm/arm.h (arm_fpu_feature_set): New.
(ARM_FPU_FSET_HAS): New.
(FPU_FL_NONE): New.
(FPU_FL_NEON): New.
(FPU_FL_FP16): New.
(FPU_FL_CRYPTO): New.

From-SVN: r226818

Add Knights Landing support to __builtin_cpu_is

This patch adds Knights Landing support to __builtin_cpu_is.

gcc/testsuite/

* gcc.target/i386/builtin_target.c (check_intel_cpu_model):
Check Knights Landing support.

libgcc/

* config/i386/cpuinfo.c (processor_types): Add INTEL_KNL.
(get_intel_cpu): Add Knights Landing support.

From-SVN: r226817

re PR c++/47461 (warn_unused_result attribute ignored for templates)

2015-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/47461
* g++.dg/warn/Wunused-result-1.C: New.

From-SVN: r226816

[AArch64] Do not ICE after apologising for -mcmodel=large -fPIC

* config/aarch64/aarch64.c (initialize_aarch64_code_model): Break
after -mcmodel=large -fPIC sorry.

From-SVN: r226815

tree-ssa-sccvn.c (vn_nary_op_compute_hash): Also canonicalize comparison operand order and commutative ternary op operand order.

2015-08-12  Richard Biener  <rguenther@suse.de>

* tree-ssa-sccvn.c (vn_nary_op_compute_hash): Also canonicalize
comparison operand order and commutative ternary op operand order.
(sccvn_dom_walker::cond_stack): New state to track temporary
expressions.
(sccvn_dom_walker::after_dom_children): Remove tempoary expressions
no longer valid.
(sccvn_dom_walker::record_cond): Add a single temporary conditional
expression.
(sccvn_dom_walker::record_conds): Add a temporary conditional
expressions and all related expressions also true/false.
(sccvn_dom_walker::before_dom_children): Record temporary
expressions based on the controlling condition of a single
predecessor.  When trying to simplify a conditional statement
lookup expressions we might have inserted earlier.

* gcc.dg/tree-ssa/ssa-fre-47.c: New testcase.
* gcc.dg/tree-ssa/ssa-fre-48.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-49.c: Likewise.
* g++.dg/tree-ssa/pr61034.C: Adjust.
* gcc.dg/fold-compare-2.c: Likewise.
* gcc.dg/pr50763.c: Likewise.
* gcc.dg/predict-3.c: Likewise.
* gcc.dg/tree-ssa/20030709-2.c: Likewise.
* gcc.dg/tree-ssa/pr19831-3.c: Likewise.
* gcc.dg/tree-ssa/pr20657.c: Likewise.
* gcc.dg/tree-ssa/pr21001.c: Likewise.
* gcc.dg/tree-ssa/pr37508.c: Likewise.
* gcc.dg/tree-ssa/vrp04.c: Likewise.
* gcc.dg/tree-ssa/vrp07.c: Likewise.
* gcc.dg/tree-ssa/vrp09.c: Likewise.
* gcc.dg/tree-ssa/vrp16.c: Likewise.
* gcc.dg/tree-ssa/vrp20.c: Likewise.
* gcc.dg/tree-ssa/vrp25.c: Likewise.
* gcc.dg/tree-ssa/vrp87.c: Likewise.

From-SVN: r226814

re PR target/67127 ([ARM] Avoiding odd-number ldrd/strd in movdi introduced a regression on armeb-linux-gnueabihf)

2015-08-12  Yvan Roux  <yvan.roux@linaro.org>

PR target/67127
* config/arm/arm.md (movdi): Restrict illegitimate ldrd/strd checking
to ARM core registers.

From-SVN: r226811

tree-vrp.c (simplify_min_or_max_using_ranges): New.

* tree-vrp.c (simplify_min_or_max_using_ranges): New.
(simplify_stmt_using_ranges): Simplify MIN and MAX exprs.

testsuite/
* gcc.dg/vrp-min-max-1.c: New.
* gcc.dg/vrp-min-max-2.c: New.

From-SVN: r226809

c-decl.c (grokdeclarator): Call error_at instead of error and pass LOC to it.

* c-decl.c (grokdeclarator): Call error_at instead of error and pass
LOC to it.

From-SVN: r226807

appendix_contributing.xml: Update patch email policy.

* doc/xml/manual/appendix_contributing.xml: Update patch email policy.
* doc/xml/manual/status_cxx2017.xml: Update status table.
* doc/html/manual/*: Regenerate.

From-SVN: r226806

[MIPS] Scheduler fix for the 74k & 24k.

2015-08-12  Simon Dardis  <simon.dardis@imgtec.com>

gcc/
* config/mips/mips.c (mips_store_data_bypass_p): Bring code into
line with comments.
* config/mips/sb1.md: Update usage of mips_store_data_bypass_p.

From-SVN: r226805

gimple.h (remove_pointer): New trait.

2015-08-12  Richard Biener  <rguenther@suse.de>

* gimple.h (remove_pointer): New trait.
(GIMPLE_CHECK2): New inline template function.
(gassign::code_): New constant static member.
(is_a_helper<const gassign *>): Add.
(gimple_assign_lhs): Use GIMPLE_CHECK2 in the gimple overload
and forward to a new gassign overload with less checking and a
cheaper way to access the operand.
(gimple_assign_lhs_ptr): Likewise.
(gimple_assign_set_lhs): Likewise.
(gimple_assign_rhs1, gimple_assign_rhs1_ptr, gimple_assign_set_rhs1):
Likewise.
(gimple_assign_rhs2, gimple_assign_rhs2_ptr, gimple_assign_set_rhs2):
Likewise.
(gimple_assign_rhs3, gimple_assign_rhs3_ptr, gimple_assign_set_rhs3):
Likewise.
(gimple_assign_rhs_code): Likewise.
* gimple.c (gassign::code_): Define.

From-SVN: r226802

tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): Eliminate edges marked as not executable by SCCVN.

2015-08-12  Richard Biener  <rguenther@suse.de>

* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
Eliminate edges marked as not executable by SCCVN.
* tree-ssa-sccvn.c: Include gimple-iterator.h.
(cond_dom_walker): Rename to sccvn_dom_walker.
(sccvn_dom_walker::before_dom_children): Value-number defs
of all stmts.
(run_scc_vn): Remove loop value-numbering all SSA names.
Drop not visited SSA names to varying.

* gcc.dg/tree-ssa/ssa-fre-43.c: Adjust.

From-SVN: r226801

Fix vect/trapv-vect-reduc-4.c for sparc

2015-08-12  Tom de Vries  <tom@codesourcery.com>

PR testsuite/67175
* gcc.dg/vect/trapv-vect-reduc-4.c: Add reduction detection scan.
Handle absence of vector min/max for sparc.

From-SVN: r226800

Daily bump.

From-SVN: r226798

compiler: Check for EOF in malformed signatures.

    When parsing a malformed function declaration with invalid parameters,
    gccgo would infinitely loop looking for the end of the function
    declaration.

    Fixes golang/go#11530, golang/go#11531.

    Reviewed-on: https://go-review.googlesource.com/13065

From-SVN: r226795

compiler: Handle newlines in general comments.

    On comments, the specification says
    (http://golang.org/ref/spec#Comments): General comments start with the
    character sequence /* and continue through the character sequence */.
    A general comment containing one or more newlines acts like a newline,
    otherwise it acts like a space.

    Fixes golang/go#11528.

    Reviewed-on: https://go-review.googlesource.com/13064

From-SVN: r226794

replace several uses of the anon namespace with GCC_FINAL

gcc/ChangeLog:

2015-08-11  Trevor Saunders  <tbsaunde@tbsaunde.org>

* compare-elim.c, dce.c, dse.c, gimple-ssa-isolate-paths.c,
gimple-ssa-strength-reduction.c, graphite.c, init-regs.c,
ipa-pure-const.c, ipa-visibility.c, ipa.c, mode-switching.c,
omp-low.c, reorg.c, sanopt.c, trans-mem.c, tree-eh.c,
tree-if-conv.c, tree-ssa-copyrename.c, tree-ssa-dce.c,
tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
tree-ssa-sink.c, tree-ssanames.c, tree-stdarg.c, tree-tailcall.c,
tree-vect-generic.c, tree.c, ubsan.c, var-tracking.c,
vtable-verify.c, web.c: Use GCC_FINAL instead of the anonymous
namespace.

From-SVN: r226793

add GCC_FINAL to ansidecl.h

include/ChangeLog:

2015-08-11  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* ansidecl.h (GCC_FINAL): New macro.

From-SVN: r226792

compiler: Don't make void-typed temporaries.

    Fixes golang/go#11568.

    Reviewed-on: https://go-review.googlesource.com/12653

From-SVN: r226788

* gcc.target/i386/avx2-vect-shift.c: Remove unneeded dg directives.

From-SVN: r226787

configure.ac (tools/gjdoc): Depend on CREATE_WRAPPERS.

* configure.ac (tools/gjdoc): Depend on CREATE_WRAPPERS.
* configure: Regenerate.
* tools/Makefile.am: Remove unneeded dependencies for Automake 1.11.
* tools/Makefile.in: Regenerate.

From-SVN: r226785

re PR target/66954 (function multiversioning fails for target "aes")

libgcc/ChangeLog:

PR target/66954
* config/i386/cpuinfo.c (enum processor_features): Add FEATURE_PCLMUL.
(get_available_features): Handle FEATURE_PCLMUL.

gcc/ChangeLog:

PR target/66954
* config/i386/i386.c (get_builtin_code_for_version): Add P_PCLMUL
to enum feature_priority and feature_list.
(fold_builtin_cpu): Add F_PCLMUL to enum processor_features
and isa_names_table.

gcc/testsuite/ChangeLog:

PR target/66954
* g++.dg/ext/mv25.C: New test.

From-SVN: r226784

tree-vect-stmts.c (vectorizable_shift): Add missed test on vect_induction_def.

gcc/

* tree-vect-stmts.c (vectorizable_shift): Add missed test on
vect_induction_def.

gcc/testsuite:

* gcc.target/i386/avx2-vect-shift.c: New test.

From-SVN: r226781

re PR c/66098 (#pragma diagnostic 'ignored' not fully undone by pop for strict-overflow)

gcc/ChangeLog:

2015-08-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

PR c/66098
PR c/66711
* diagnostic.c (diagnostic_classify_diagnostic): Take -Werror into
account when deciding what was the command-line status.

gcc/testsuite/ChangeLog:

2015-08-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

PR c/66098
PR c/66711
* gcc.dg/pragma-diag-3.c: New test.
* gcc.dg/pragma-diag-4.c: New test.

From-SVN: r226780

* tree-vrp.c (simplify_abs_using_ranges): Simplify.

From-SVN: r226779

tree-ssa-phiopt.c (minmax_replacement): Create new ssa name if we're not the only contributor to target phi.

* tree-ssa-phiopt.c (minmax_replacement): Create new ssa name if
we're not the only contributor to target phi.

testsuite/
* c-c++-common/dfp/operator-comma.c: Call init function.
* c-c++-common/dfp/convert-dfp-2.c: New test.

From-SVN: r226778

[AArch64][Obivious] Add the missing ',' for enumeration element

2015-08-11  Jiong Wang  <jiong.wang@arm.com>

gcc/
  * config/aarch64/aarch64.h (REG_CLASS_NAMES): Add the missing ',' after
  FIXED_REG0.

From-SVN: r226777

Add todo comment for move_sese_region_to_fn

2015-08-11  Tom de Vries  <tom@codesourcery.com>

* tree-cfg.c (move_sese_region_to_fn): Add todo comment.

From-SVN: r226776

Fix test failure on Solaris 9 where strtod() does not accept hexadecimals

2015-08-11  Iain Buclaw  <ibuclaw@gdcproject.org>

libiberty/

* d-demangle.c (dlang_parse_real): Remove call to strtod.
(strtod): Remove declaration.
* testsuite/d-demangle-expected: Update float and complex literal
tests to check correct hexadecimal demangling.

From-SVN: r226774

Daily bump.

From-SVN: r226773

re PR libfortran/67140 (undefined reference to _gfortran_mvbits_i16)

2015-08-10  Steven G. Kargl  <kargl@gcc.gnu.org>

PR libfortran/67140
* intrinsics/mvbits.c: Fix build for paltforms without c_int128_t.

From-SVN: r226769

Treat model == 0x4f as Broadwell

gcc/testsuite/

* gcc.target/i386/builtin_target.c (check_intel_cpu_model):
Treat model == 0x4f as Broadwell.

libgcc/

* config/i386/cpuinfo.c (get_intel_cpu): Treat model == 0x4f as
Broadwell.

From-SVN: r226766

Update -mtune=knl for Knights Landing

From:

https://software.intel.com/sites/default/files/managed/e9/b5/Knights-Corner-is-your-path-to-Knights-Landing.pdf

Knights Landing is “Based on Intel Atom core (based on Silvermont
microarchitecture) with many HPC enhancements.”

This patch replaces CPU_KNL with CPU_SLM to tune for Knights Landing.

* config/i386/i386.c (processor_alias_table): Replace CPU_KNL
with CPU_SLM.
* config/i386/i386.md (cpu): Remove knl.

From-SVN: r226765

[multiple changes]

2015-08-10  Steven G. Kargl  <kargl@gcc.gnu.org>

PR libfortran/67140
* gfortran.map: Add _gfortran_mvbits_i16.
* intrinsics/mvbits.c: Generate mvbits for c_int128_t.

2015-08-10  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

PR libfortran/67140
* gfortran.dg/pr67140.f90: New test.

From-SVN: r226764

[PR libgomp/65742, PR middle-end/66332] libgomp: Remove plugin for non-shared memory host execution

gcc/
* builtins.c (expand_builtin_acc_on_device) [ACCEL_COMPILER]: Emit
open-coded sequence.
* omp-low.c (oacc_process_reduction_data): Remove handline of
GOMP_DEVICE_HOST_NONSHM.
gcc/testsuite/
* c-c++-common/goacc/acc_on_device-2.c: Remove XFAIL for C.
include/
* gomp-constants.c (GOMP_DEVICE_HOST_NONSHM): Remove.
libgomp/
* libgomp-plugin.h (enum offload_target_type): Remove
OFFLOAD_TARGET_TYPE_HOST_NONSHM.
* openacc.f90 (openacc_kinds): Remove acc_device_host_nonshm.
* openacc.h (enum acc_device_t): Likewise.
* openacc_lib.h: Likewise.
* oacc-init.c (name_of_acc_device_t): Don't handle it.
(acc_on_device): Just use __builtin_acc_on_device.
* testsuite/libgomp.oacc-c-c++-common/if-1.c: Don't forbid usage
of acc_on_device builtin.
* plugin/plugin-host.h: Remove file.
* plugin/plugin-host.c: Likewise, but salvage some content into...
* oacc-host.c: ... this file.
* plugin/Makefrag.am: Don't build libgomp-plugin-host_nonshm.la.
* plugin/configfrag.ac (offload_targets): Don't add host_nonshm.
* Makefile.in: Regenerate.
* configure: Likewise.
* testsuite/lib/libgomp.exp
(check_effective_target_openacc_host_nonshm_selected): Remove.
* testsuite/libgomp.oacc-c++/c++.exp: Don't handle
ACC_DEVICE_TYPE=host_nonshm.
* testsuite/libgomp.oacc-c/c.exp: Likewise.
* testsuite/libgomp.oacc-fortran/fortran.exp: Likewise.
* testsuite/libgomp.oacc-c-c++-common/acc_on_device-1.c: Likewise.
* testsuite/libgomp.oacc-fortran/acc_on_device-1-1.f90: Likewise.
* testsuite/libgomp.oacc-fortran/acc_on_device-1-2.f: Likewise.
* testsuite/libgomp.oacc-fortran/acc_on_device-1-3.f: Likewise.

From-SVN: r226763

Empty libgomp for nvptx

* configure.ac (noconfigdirs): Don't add "target-libgomp" for target
nvptx*-*-*.
* configure: Regenerate.
libgomp/
* config/nvptx/affinity.c: New file.
* config/nvptx/alloc.c: Likewise.
* config/nvptx/bar.c: Likewise.
* config/nvptx/barrier.c: Likewise.
* config/nvptx/critical.c: Likewise.
* config/nvptx/env.c: Likewise.
* config/nvptx/error.c: Likewise.
* config/nvptx/fortran.c: Likewise.
* config/nvptx/iter.c: Likewise.
* config/nvptx/iter_ull.c: Likewise.
* config/nvptx/libgomp-plugin.c: Likewise.
* config/nvptx/lock.c: Likewise.
* config/nvptx/loop.c: Likewise.
* config/nvptx/loop_ull.c: Likewise.
* config/nvptx/mutex.c: Likewise.
* config/nvptx/oacc-async.c: Likewise.
* config/nvptx/oacc-cuda.c: Likewise.
* config/nvptx/oacc-host.c: Likewise.
* config/nvptx/oacc-init.c: Likewise.
* config/nvptx/oacc-mem.c: Likewise.
* config/nvptx/oacc-parallel.c: Likewise.
* config/nvptx/oacc-plugin.c: Likewise.
* config/nvptx/omp-lock.h: Likewise.
* config/nvptx/ordered.c: Likewise.
* config/nvptx/parallel.c: Likewise.
* config/nvptx/proc.c: Likewise.
* config/nvptx/ptrlock.c: Likewise.
* config/nvptx/sections.c: Likewise.
* config/nvptx/sem.c: Likewise.
* config/nvptx/single.c: Likewise.
* config/nvptx/splay-tree.c: Likewise.
* config/nvptx/target.c: Likewise.
* config/nvptx/task.c: Likewise.
* config/nvptx/team.c: Likewise.
* config/nvptx/time.c: Likewise.
* config/nvptx/work.c: Likewise.
* configure.ac: Don't probe pthreads support for host nvptx*-*-*.
* configure: Regenerate.
* configure.tgt (config_path): Set to "nvptx" for target
nvptx*-*-*.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r226760

Fix offloading machine mode stream reading

... in context of the GET_MODE_INNER changes applied in r226328.

gcc/
* lto-streamer-in.c (lto_input_mode_table): Adjust to
GET_MODE_INNER changes.
libgomp/
* testsuite/libgomp.oacc-c-c++-common/vector-type-1.c: New file.

From-SVN: r226759

Correctly advance iterator in offloading machine mode stream reading

gcc/
* lto-streamer-in.c (lto_input_mode_table): Correctly advance
iterator.

Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>
From-SVN: r226758

[AArch64] Recommit correct version for improving TLS descriptor pattern

2015-08-06    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
      Jiong Wang  <jiong.wang@arm.com>

gcc/
  * config/aarch64/aarch64.d (tlsdesc_small_pseudo_<mode>): New pattern.
  * config/aarch64/aarch64.h (reg_class): New enumeration FIXED_REG0.
  (REG_CLASS_NAMES): Likewise.
  (REG_CLASS_CONTENTS): Likewise.
  * config/aarch64/aarch64.c (aarch64_class_max_nregs): Likewise.
  (aarch64_register_move_cost): Likewise.
  (aarch64_load_symref_appropriately): Invoke the new added pattern if
  possible.
  * config/aarch64/constraints.md (Uc0): New constraint.

gcc/testsuite/
  * gcc.target/aarch64/tlsdesc_hoist.c: New testcase.

From-SVN: r226757

[AArch64] Revert wrong commit of "Improve TLS Descriptor pattern to release RTL loop IV opt"

Revert the wrong commit of

  2015-08-06    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
      Jiong Wang  <jiong.wang@arm.com>

* config/aarch64/aarch64.d (tlsdesc_small_pseudo_<mode>): New pattern.
* config/aarch64/aarch64.h (reg_class): New enumeration FIXED_REG0.
(REG_CLASS_NAMES): Likewise.
(REG_CLASS_CONTENTS): Likewise.
* config/aarch64/aarch64.c (aarch64_class_max_nregs): Likewise.
(aarch64_register_move_cost): Likewise.
(aarch64_load_symref_appropriately): Invoke the new added pattern if
possible.
* config/aarch64/constraints.md (Uc0): New constraint.

From-SVN: r226756

re PR fortran/64022 ([F2003][IEEE] ieee_support_flag does not handle kind=10 and kind=16 REAL variables)

PR fortran/64022
* gfortran.dg/ieee/large_4.f90: New test.

From-SVN: r226755

Daily bump.

From-SVN: r226754

options.texi (EnabledBy): Document that the argument must be a Common option.

gcc/ChangeLog:

2015-08-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* doc/options.texi (EnabledBy): Document that the argument must be
a Common option.
* doc/invoke.texi (Wnull-dereference): Move after Wnonnull.
Not enabled by -Wall.
* optc-gen.awk: Give nicer error messages. Detect if the argument
of EnabledBy is not a Common option.
* common.opt (Wnull-dereference): Not enabled by -Wall.
* opt-functions.awk (lang_enabled_by): Nicer error messages.

gcc/c-family/ChangeLog:

2015-08-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* c.opt (Wchkp): Use LangEnabledBy instead of EnabledBy.

From-SVN: r226751

re PR libfortran/66936 (io/unix.c gratuitously uses S_IRWXG and S_IRWXO on the basis that umask() is available)

PR libfortran/66936
* io/unix.c (__MINGW32__): Undefine HAVE_UMASK.

From-SVN: r226750

Treat model == 0x4f as Broadwell

From Intel SDM Vol 3:

Table 35-29 lists MSRs that are common to processors based on the
Broadwell microarchitectures (including CPUID signatures 06_3DH,
06_47H, 06_4FH, and 06_56H).

* config/i386/driver-i386.c (host_detect_local_cpu): Treat
model == 0x4f as Broadwell.

From-SVN: r226749

Makefile.am (libquadmath_la_SOURCES): Add math/logbq.c.

* Makefile.am (libquadmath_la_SOURCES): Add math/logbq.c.
* Makefile.in: Regenerate.
* libquadmath.texi: Document logbq.
* quadmath.h: Add logbq prototype.
* quadmath.map: Add logbq.
* quadmath_weak.h: Add logbq prototype.
* math/logbq.c: New file

From-SVN: r226748

Daily bump.

From-SVN: r226746

Implement N4279, Improved insertion interface for unique-key maps.

2015-08-09  Ville Voutilainen  <ville.voutilainen@gmail.com>

Implement N4279, Improved insertion interface for unique-key maps.
* include/bits/stl_map.h (try_emplace, insert_or_assign): New.
* include/bits/stl_tree.h (_M_get_insert_unique_pos,
_M_get_insert_equal_pos, _M_get_insert_hint_unique_pos,
_M_get_insert_hint_equal_pos): Make public.
* include/bits/unordered_map.h (try_emplace, insert_or_assign): New.
* testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
Likewise.
* testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
* testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc:
Likewise.
* testsuite/23_containers/unordered_map/modifiers/try_emplace.cc:
Likewise.

From-SVN: r226743

re PR c++/67144 ([C++1z] ICE; in get_constraints, at cp/pt.c:23346)

PR c++/67144
* call.c (joust): Only call more_constrained on decls.

From-SVN: r226740

re PR c++/67152 ([concepts] bogus "partial specialization of ‘foo<T>’ after instantiation" error)

PR c++/67152
* pt.c (process_partial_specialization): Call
associate_classtype_constraints.

From-SVN: r226739

re PR c++/67159 ([c++concepts] Segfault while diagnosing constraint violation)

PR c++/67159
* constraint.cc (finish_template_introduction):
SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT.

From-SVN: r226738

re PR c++/67142 ([C++1z] ICE: tree check: expected template_decl, have field_decl in equal, at cp/pt.c:1665)

PR c++/67142
* pt.c (equal): Make sure tmpl is actually a template.

From-SVN: r226737

re PR libstdc++/67114 ([MinGW64] build failure with POSIX threads enabled)

PR c++/67114
* call.c (joust): Only call more_constrained on decls.

From-SVN: r226736

re PR fortran/67059 (gfortran --version output is inconsistent with the rest of GCC)

PR fortran/67059
* gfortranspec.c (lang_specific_driver): Adjust --version output.

From-SVN: r226734

Implement N4089 Safe conversions in unique_ptr<T[]> (LWG 2118) and N4366 LWG 2228...

2015-08-08  Ville Voutilainen  <ville.voutilainen@gmail.com>

Implement N4089 Safe conversions in unique_ptr<T[]> (LWG 2118)
and N4366 LWG 2228: Missing SFINAE rule in unique_ptr
templated assignment
* include/bits/unique_ptr.h
(__remove_cv, __is_derived_Tp): Remove.
(default_delete::default_delete(const default_delete<_Up[]>)):
Constrain with array convertibility.
(default_delete::operator(_Up*)): Turn into a template,
constrain with array convertibility.
(__safe_conversion_up): New, single object version.
(unique_ptr(unique_ptr<_Up, _Ep>&&)): Constrain with deleter
convertibility.
(unique_ptr::operator=(unique_ptr<_Up, _Ep>&&)): Likewise, and add
is_assignable as a constraint.
(__safe_conversion_up): Array version, renamed from __safe_conversion,
updated to implement N4089.
(__safe_conversion_raw): New.
(unique_ptr(_Up)): Turn into a template, constrain with array
convertibility.
(unique_ptr(_Up,
        typename conditional<is_reference<deleter_type>::value,
        deleter_type, const deleter_type&>::type)): Likewise.
(unique_ptr(_Up, typename
  remove_reference<deleter_type>::type&&)): Likewise.
(unique_ptr(unique_ptr<_Up, _Ep>&&)): Likewise.
(operator=(unique_ptr<_Up, _Ep>&&)): Likewise, and add
is_assignable as a constraint (array version).
(reset(_Up)): Turn into a template, constrain with array
convertibility.
(reset(nullptr_t)): New.
* testsuite/20_util/default_delete/48631_neg.cc: Adjust.
* testsuite/20_util/unique_ptr/assign/48635.cc: Likewise.
* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Likewise.
* testsuite/20_util/unique_ptr/assign/cv_qual.cc: Likewise.
* testsuite/20_util/unique_ptr/cons/cv_qual.cc: Likewise.
* testsuite/20_util/unique_ptr/dr2228.cc: New.
* testsuite/20_util/unique_ptr/modifiers/cv_qual.cc: Adjust.

From-SVN: r226733

When undoing symbols, also restore common block lists

gcc/fortran/
2015-08-08  Bud Davis  <jmdavis@link.com>
    Mikael Morin  <mikael@gcc.gnu.org>

PR fortran/59746
* symbol.c (gfc_restore_last_undo_checkpoint): Delete a common block
symbol if it was put in the list.

gcc/testsuite/
2015-08-08  Bud Davis  <jmdavis@link.com>

PR fortran/59746
* gfortran.dg/common_22.f90: New.

Co-Authored-By: Mikael Morin <mikael@gcc.gnu.org>
From-SVN: r226732

re PR rtl-optimization/67028 (combine bug. Different assumptions about subreg in different places.)

PR rtl-optimization/67028
* combine.c (simplify_comparison): Fix comment.  Rearrange code.
Add test to see if a const_int fits in the new mode.

gcc/testsuite/
PR rtl-optimization/67028
* gcc.dg/pr67028.c: New testcase.

From-SVN: r226731

* config/rx/rx.c (rx_mode_dependent_address_p): Remove unneeded asserts.

From-SVN: r226730

Daily bump.

From-SVN: r226729

re PR libfortran/66458 (Loading libgfortran.so changes the FPU exception flags)

PR libfortran/66458
* runtime/main.c (init): Only call set_fpu() if requested by user.

From-SVN: r226725

Add alternative_mask to ira_implicitly_set_insn_hard_regs

Since ira_implicitly_set_insn_hard_regs may be called outside of
ira-lives.c, it can't use the local variable, preferred_alternatives.
This patch adds an alternative_mask argument to
ira_implicitly_set_insn_hard_regs.

gcc/

PR rtl-optimization/67029
* ira-color.c: Include "recog.h" before including "ira-int.h".
* target-globals.c: Likewise.
* ira-lives.c (ira_implicitly_set_insn_hard_regs): Add an
adds an alternative_mask argument and use it instead of
preferred_alternatives.
* ira.h (ira_implicitly_set_insn_hard_regs): Moved to ...
* ira-int.h (ira_implicitly_set_insn_hard_regs): Here.
* sched-deps.c: Include "ira-int.h" after including "ira.h".
(sched_analyze_insn): Update call to
ira_implicitly_set_insn_hard_regs.
* sel-sched.c: Include "ira-int.h" after including "ira.h".
(implicit_clobber_conflict_p): Update call to
ira_implicitly_set_insn_hard_regs.

gcc/testsuite/

PR rtl-optimization/67029
* gcc.dg/pr67029.c: New test.

From-SVN: r226724

re PR fortran/64104 ([F2003][IEEE] Allow IEEE functions in specification expressions)

PR fortran/64104

* expr.c (gfc_check_init_expr): Allow some IEEE functions in
constant expressions.
(external_spec_function): Allow some IEEE functions in specification
expressions.
* simplify.c (gfc_simplify_ieee_selected_real_kind): Remove.
(simplify_ieee_selected_real_kind, simplify_ieee_support,
matches_ieee_function_name, gfc_simplify_ieee_functions): New
functions.
* gfortran.h (gfc_simplify_ieee_selected_real_kind): Remove
prototype.
(gfc_simplify_ieee_functions): Add prototype.

* gfortran.dg/ieee/ieee_8.f90: New test.

From-SVN: r226723

[AArch64] Check branch types for noplt testcases

2015-08-07  Jiong Wang  <jiong.wang@arm.com>

gcc/testsuite/
  * gcc.target/aarch64/noplt_1.c: Check branch type instead of relocation
  modifers.
  * gcc.target/aarch64/noplt_2.c: Likewise.
  * gcc.target/aarch64/noplt_3.c: Likewise.

From-SVN: r226721

Makefile.in (.INTERMEDIATE): Add gpl.pod.

* Makefile.in (.INTERMEDIATE): Add gpl.pod.

From-SVN: r226720

libgo/testsuite: don't call kill without args

    If the timeout subshell has no child processes,
    the "xargs | kill" will fail. Ensure there is
    some input for kill before calling it.

    Reviewed-on: https://go-review.googlesource.com/13295

From-SVN: r226719

ville

From-SVN: r226716

sh.c (sh_recog_treg_set_expr): Return false during expand phase to avoid codegen differences with -g.

* config/sh/sh.c (sh_recog_treg_set_expr): Return false during
expand phase to avoid codegen differences with -g.

From-SVN: r226715

texi2pod.pl: Escape braces in regexp involving @strong{...}.

* doc/texi2pod.pl: Escape braces in regexp involving @strong{...}.

From-SVN: r226714

Add C++ Concepts TS support.

gcc/c-family/
* c-common.c (c_common_reswords): Add __is_same_as, concept, requires.
* c-common.h (enum rid): Add RID_IS_SAME_AS, RID_CONCEPT, RID_REQUIRES.
(D_CXX_CONCEPTS, D_CXX_CONCEPTS_FLAGS): New.
* c-cppbuiltin.c (c_cpp_builtins): Define __cpp_concepts.
* c-opts.c (set_std_cxx1z): Set flag_concepts.
* c.opt (fconcepts): New.
gcc/cp/
* constraint.cc, logic.cc: New files.
* Make-lang.in (CXX_AND_OBJCXX_OBJS): Add constraint.o and logic.o.
(c++.tags): Also process .cc files.
* call.c (enum rejection_reason_code): Add rr_constraint_failure.
(print_z_candidate): Handle it.
(constraint_failure): New.
(add_function_candidate): Check constraints.
(build_new_function_call): Handle evaluating concepts.
(joust): Check more_constrained.
* class.c (add_method): Check equivalently_constrained.
(build_clone): Copy constraints.
(currently_open_class): Return tree.
(resolve_address_of_overloaded_function): Check constraints.
* constexpr.c (cxx_eval_constant_expression): Handle REQUIRES_EXPR.
(potential_constant_expression_1): Likewise.
* cp-objcp-common.c (cp_tree_size): Handle CONSTRAINT_INFO.
(cp_common_init_ts): Handle WILDCARD_DECL and REQUIRES_EXPR.
* cp-tree.def: Add CONSTRAINT_INFO, WILDCARD_DECL, REQUIRES_EXPR,
SIMPLE_REQ, TYPE_REQ, COMPOUND_REQ, NESTED_REQ, PRED_CONSTR,
EXPR_CONSTR, TYPE_CONSTR, ICONV_CONSTR, DEDUCT_CONSTR,
EXCEPT_CONSTR, PARM_CONSTR, CONJ_CONSTR, DISJ_CONSTR.
* cp-tree.h (struct tree_constraint_info, check_nonnull)
(check_constraint_info, CI_TEMPLATE_REQS, CI_DECLARATOR_REQS)
(CI_ASSOCIATED_CONSTRAINTS, CI_NORMALIZED_CONSTRAINTS)
(CI_ASSUMPTIONS, TEMPLATE_PARMS_CONSTRAINTS)
(TEMPLATE_PARM_CONSTRAINTS, COMPOUND_REQ_NOEXCEPT_P)
(PLACEHOLDER_TYPE_CONSTRAINTS, PRED_CONSTR_EXPR, EXPR_CONSTR_EXPR)
(TYPE_CONSTR_TYPE, ICONV_CONSTR_EXPR, ICONV_CONSTR_TYPE)
(DEDUCT_CONSTR_EXPR, DEDUCT_CONSTR_PATTERN)
(DEDUCT_CONSTR_PLACEHOLDER, EXCEPT_CONSTR_EXPR, PARM_CONSTR_PARMS)
(PARM_CONSTR_OPERAND, CONSTRAINT_VAR_P, CONSTRAINED_PARM_CONCEPT)
(CONSTRAINED_PARM_EXTRA_ARGS, CONSTRAINED_PARM_PROTOTYPE)
(DECL_DECLARED_CONCEPT_P, WILDCARD_PACK_P, struct cp_unevaluated)
(struct local_specialization_stack, enum auto_deduction_context)
(variable_concept_p, concept_template_p)
(struct deferring_access_check_sentinel): New.
(enum cp_tree_node_structure_enum): Add TS_CP_CONSTRAINT_INFO.
(union lang_tree_node): Add constraint_info field.
(struct lang_decl_base): Add concept_p flag.
(enum cp_decl_spec): Add ds_concept.
(struct cp_declarator): Add requires_clause.
* cxx-pretty-print.c (cxx_pretty_printer::primary_expression)
(cxx_pretty_printer::expression): Handle REQUIRES_EXPR,
TRAIT_EXPR, *_CONSTR.
(pp_cxx_parameter_declaration_clause): Accept a chain of
PARM_DECLs.
(cxx_pretty_printer::declarator): Print requires-clause.
(pp_cxx_template_declaration): Likewise.
(pp_cxx_trait_expression): Handle CPTK_IS_SAME_AS.
(pp_cxx_requires_clause, pp_cxx_requirement)
(pp_cxx_requirement_list, pp_cxx_requirement_body)
(pp_cxx_requires_expr, pp_cxx_simple_requirement)
(pp_cxx_type_requirement, pp_cxx_compound_requirement)
(pp_cxx_nested_requirement, pp_cxx_predicate_constraint)
(pp_cxx_expression_constraint, pp_cxx_type_constraint)
(pp_cxx_implicit_conversion_constraint)
(pp_cxx_argument_deduction_constraint)
(pp_cxx_exception_constraint, pp_cxx_parameterized_constraint)
(pp_cxx_conjunction, pp_cxx_disjunction, pp_cxx_constraint): New.
* cxx-pretty-print.h: Declare them.
* decl.c (decls_match): Compare constraints.
(duplicate_decls): Likewise.  Remove constraints before freeing.
(cxx_init_decl_processing): Call init_constraint_processing.
(cp_finish_decl): Diagnose concept without initializer.
(grokfndecl, grokvardecl): Handle concepts and constraints.
(grokdeclarator): Handle concept, requires-clause.
(grokparms): No longer static.
(xref_tag_1): Check constraints.
(finish_function): Call check_function_concept.
(cp_tree_node_structure): Handle CONSTRAINT_INFO.
(check_concept_refinement, is_concept_var, check_concept_fn): New.
* decl2.c (check_classfn): Compare constraints.
(mark_used): Don't instantiate concepts.
* error.c (dump_template_decl): Print constraints.
(dump_function_decl): Likewise.
(dump_expr): Handle REQUIRES_EXPR, *_REQ, *_CONSTR.
* lex.c (init_reswords): Set D_CXX_CONCEPTS.
* method.c (implicitly_declare_fn): Copy constraints from
inherited ctor.
* parser.h (struct cp_parser): Add in_result_type_constraint_p and
prevent_constrained_type_specifiers fields.
* parser.c (make_call_declarator): Add requires_clause parm.
(cp_parser_new): Clear prevent_constrained_type_specifiers.
(cp_parser_primary_expression): Handle RID_IS_SAME_AS, RID_REQUIRES.
(cp_parser_postfix_expression): Set prevent_constrained_type_specifiers.
(cp_parser_trait_expr): Handle RID_IS_SAME_AS.
(cp_parser_declaration): Handle concept introduction.
(cp_parser_member_declaration): Likewise.
(cp_parser_template_parameter): Handle constrained parameter.
(cp_parser_type_parameter): Handle constraints.
(cp_parser_decl_specifier_seq): Handle RID_CONCEPT.
(cp_parser_template_id): Handle partial concept id.
(cp_parser_type_name): Add overload that takes typename_keyword_p.
Handle constrained parameter.
(cp_parser_nonclass_name): Handle concept names.
(cp_parser_alias_declaration): Handle constraints.
(cp_parser_late_return_type_opt): Also handle requires-clause.
(cp_parser_type_id_1): Handle deduction constraint.
(cp_parser_parameter_declaration): Handle constrained parameters.
(cp_parser_class_specifier_1): Handle constraints.
(cp_parser_template_declaration_after_parameters): Split out from
cp_parser_template_declaration_after_export.
(cp_parser_single_declaration): Handle constraints.
(synthesize_implicit_template_parm): Handle constraints.
(cp_parser_maybe_concept_name, cp_parser_maybe_partial_concept_id)
(cp_parser_introduction_list, get_id_declarator)
(get_unqualified_id, is_constrained_parameter)
(cp_parser_check_constrained_type_parm)
(cp_parser_constrained_type_template_parm)
(cp_parser_constrained_template_template_parm)
(constrained_non_type_template_parm, finish_constrained_parameter)
(declares_constrained_type_template_parameter)
(declares_constrained_template_template_parameter)
(check_type_concept, cp_parser_maybe_constrained_type_specifier)
(cp_parser_maybe_concept_name, cp_parser_maybe_partial_concept_id)
(cp_parser_requires_clause, cp_parser_requires_clause_opt)
(cp_parser_requires_expression)
(cp_parser_requirement_parameter_list, cp_parser_requirement_body)
(cp_parser_requirement_list, cp_parser_requirement)
(cp_parser_simple_requirement, cp_parser_type_requirement)
(cp_parser_compound_requirement, cp_parser_nested_requirement)
(cp_parser_template_introduction)
(cp_parser_explicit_template_declaration)
(get_concept_from_constraint): New.
* pt.c (local_specialization_stack): Implement.
(maybe_new_partial_specialization): New.
(maybe_process_partial_specialization): Use it.
(retrieve_local_specialization, register_local_specialization)
(template_parm_to_arg, build_template_decl, extract_fnparm_pack)
(tsubst_expr): No longer static.
(spec_hasher::equal): Compare constraints.
(determine_specialization): Handle constraints.
(check_explicit_specialization): Handle concepts.
(process_template_parm): Handle constraints.
(end_template_parm_list): Add overload taking no arguments.
(process_partial_specialization): Handle concepts and constraints.
Register partial specializations of variable templates.
(redeclare_class_template): Handle constraints.
(convert_template_argument): Handle WILDCARD_DECL.  Check
is_compatible_template_arg.
(coerce_template_parameter_pack): Handle wildcard packs.
(coerce_template_parms): DR 1430 also applies to concepts.  Add
overloads taking fewer parameters.
(lookup_template_class_1): Handle constraints.
(lookup_template_variable): Concepts are always bool.
(finish_template_variable): Handle concepts and constraints.
(tsubst_friend_class): Handle constraints.
(gen_elem_of_pack_expansion_instantiation): Handle constraints.
(tsubst_pack_expansion): Handle local parameters.
(tsubst_decl) [FUNCTION_DECL]: Handle constraints.
(tsubst) [TEMPLATE_TYPE_PARM]: Handle deduction constraints.
(tsubst_copy_and_build): Handle REQUIRES_EXPR.
(more_specialized_fn, more_specialized_partial_spec): Check constraints.
(more_specialized_inst): Split out from most_specialized_instantiation.
(most_specialized_partial_spec): Check constraints.
(instantiate_decl): Never instantiate a concept.
(value_dependent_expression_p): Handle REQUIRES_EXPR, TYPE_REQ,
variable concepts.
(type_dependent_expression_p): Handle WILDCARD_DECL, REQUIRES_EXPR.
(instantiation_dependent_r): Handle REQUIRES_EXPR and concepts.
(do_auto_deduction): Add overload taking tsubst flags and context enum.
Handle constraints.
(get_template_for_ordering, most_constrained_function)
(is_compatible_template_arg, convert_wildcard_argument)
(struct constr_entry, struct constr_hasher, decl_constraints)
(valid_constraints_p, get_constraints, set_constraints)
(remove_constraints, init_constraint_processing): New.
* ptree.c (cxx_print_xnode): Handle CONSTRAINT_INFO.
* search.c (lookup_member): Do lookup in the open partial
instantiation.
* semantics.c (finish_template_template_parm): Handle constraints.
(fixup_template_type): New.
(finish_template_type): Call it.
(trait_expr_value, finish_trait_expr): Handle CPTK_IS_SAME_AS.
* tree.c (cp_tree_equal): Handle local parameters, CONSTRAINT_INFO.
(cp_walk_subtrees): Handle REQUIRES_EXPR.
* typeck.c (cp_build_function_call_vec): Check constraints.

Co-Authored-By: Braden Obrzut <admin@maniacsvault.net>
Co-Authored-By: Jason Merrill <jason@redhat.com>
From-SVN: r226713

Makefile.def (libiconv): Define bootstrap=true.

2015-08-06  Yaakov Selkowitz  <yselkowi@redhat.com>

* Makefile.def (libiconv): Define bootstrap=true.
Mark pdf/html/info as missing.
(configure-gcc): Depend on all-libiconv.
(all-gcc): Ditto.
(configure-libcpp): Ditto.
(all-libcpp): Ditto.
(configure-intl): Ditto.
(all-intl): Ditto.
* Makefile.in: Regenerate.

intl/
* configure: Reflects renaming of configure.in to configure.ac

libcpp/
* configure: Regenerate.

gcc/
* configure.ac: Define LIBICONV_DEP with in-tree libiconv.
* configure: Regenerate.

From-SVN: r226712

Daily bump.

From-SVN: r226705

Move one condition out of gfc_trans_scalar_assign

* trans.h (gfc_trans_scalar_assign): Remove fourth argument.
* trans-expr.c (gfc_trans_scalar_assign): Merge fourth into sixth
argument.
(gfc_conv_subref_array_arg, gfc_trans_subarray_assign,
 gfc_trans_subcomponent_assign, gfc_trans_assignment_1): Update callers.
* trans-array.c (gfc_conv_expr_descriptor): Ditto.
* trans-stmt.c (forall_make_variable_temp,
generate_loop_for_temp_to_lhs, generate_loop_for_rhs_to_temp,
gfc_trans_where_assign, gfc_trans_where_3): Ditto.

From-SVN: r226700

jit.dg/test-benchmark.c: add a summary of timings

gcc/testsuite/ChangeLog:
* jit.dg/test-benchmark.c (main): Record all elapsed times at each
optimization level, and print a summary at the end.

From-SVN: r226697

* runtime/compile_options.c (set_options): Fix typos.

From-SVN: r226686

re PR c++/66533 ([C++14] ICE: in dependent_type_p, at cp/pt.c:21073)

PR c++/66533
* parser.c (cp_parser_primary_expression): Don't skip to the end
of the statement if we're parsing tentatively.

From-SVN: r226684

[AArch64] Improve TLS Descriptor pattern to release RTL loop IV opt

The instruction sequences for preparing argument for TLS descriptor
runtime resolver and the later function call to resolver can actually be
hoisted out of the loop.

Currently we can't because we have exposed the hard register X0 as
destination of "set".  While GCC's RTL data flow infrastructure will
skip or do very conservative assumption when hard register involved in
and thus some loop IV opportunities are missed.

This patch add another "tlsdesc_small_pseudo_<mode>" pattern, and avoid
expose x0 to gcc generic code.

Generally, we define a new register class FIXED_R0 which only contains register
0, so the instruction sequences generated from the new add pattern is the same
as tlsdesc_small_<mode>, while the operand 0 is wrapped as pseudo register that
RTL IV opt can handle it.

Ideally, we should allow operand 0 to be any pseudo register, but then
we can't model the override of x0 caused by the function call which is
hidded by the UNSPEC.

So here, we restricting operand 0 to be x0, the override of x0 can be
reflected to the gcc.

2015-08-06    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
      Jiong Wang  <jiong.wang@arm.com>
gcc/
  * config/aarch64/aarch64.d (tlsdesc_small_pseudo_<mode>): New pattern.
  * config/aarch64/aarch64.h (reg_class): New enumeration FIXED_REG0.
  (REG_CLASS_NAMES): Likewise.
  (REG_CLASS_CONTENTS): Likewise.
  * config/aarch64/aarch64.c (aarch64_class_max_nregs): Likewise.
  (aarch64_register_move_cost): Likewise.
  (aarch64_load_symref_appropriately): Invoke the new added pattern if
  possible.
  * config/aarch64/constraints.md (Uc0): New constraint.

gcc/testsuite/
  * gcc.target/aarch64/tlsdesc_hoist.c: New testcase.

From-SVN: r226683

[AArch64] Tighten direct call pattern for sibcall to repair -fno-plt

2015-08-06  Jiong Wang  <jiong.wang@arm.com>

gcc/
  * config/aarch64/constraints.md (Usf): Add the test of
  aarch64_is_noplt_call_p.

gcc/testsuite/
  * gcc.target/aarch64/noplt_3.c: New testcase.

From-SVN: r226682

[AArch64] Tighten direct call pattern to repair -fno-plt

2015-08-06  Jiong Wang  <jiong.wang@arm.com>

gcc/
  * config/aarch64/aarch64-protos.h (aarch64_is_noplt_call_p): New declaration.
  * config/aarch64/aarch64.c (aarch64_is_noplt_call_p): New function.
  * config/aarch64/aarch64.md (call_value_symbol): Check noplt scenarios.
  (call_symbol): Likewise.

gcc/testsuite/
  * gcc.target/aarch64/noplt_1.c: New testcase.
  * gcc.target/aarch64/noplt_2.c: Likewise.

From-SVN: r226681

re PR c++/67130 (ICE: tree check: expected identifier_node, have template_decl in write_unqualified_id, at cp/mangle.c:1218)

PR c++/67130
PR c++/67131
PR c++/66260
* mangle.c (write_expression) [TEMPLATE_ID_EXPR]: Handle variable
templates.
* pt.c (tsubst_copy_and_build): Check for argument substitution
failure.

From-SVN: r226676

Vectorize mult expressions with power 2 constants via shift, for targets has no vector multiplication support.

2015-08-06  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>

* tree-vect-patterns.c (vect_recog_mult_pattern): New function
for vectorizing multiplication patterns.
* tree-vectorizer.h: Adjust the number of patterns.

2015-08-06  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>

* gcc.dg/vect/vect-mult-pattern-1.c: New test.
* gcc.dg/vect/vect-mult-pattern-2.c: New test.

From-SVN: r226675

sse.md (*vec_concatv2df): Declare added alternatives as sselog type.

* config/i386/sse.md (*vec_concatv2df): Declare added
alternatives as sselog type.

From-SVN: r226674

S/390: Fix dwarf reg size table for -m31 -mzarch.

gcc/ChangeLog:
    * config/s390/s390.c (s390_dwarf_frame_reg_mode): Return Pmode for
    all GPRs.

gcc/testsuite/ChangeLog:
    * gcc.target/s390/dwarfregtable-1.c: New test.
    * gcc.target/s390/dwarfregtable-2.c: New test.
    * gcc.target/s390/dwarfregtable-3.c: New test.

From-SVN: r226673

S/390: Clobber VRs in __builtin_tbegin.

gcc/ChangeLog:
    * config/s390/s390.c (s390_expand_tbegin): Expand either
    tbegin_1_z13 or tbegin_1 depending on VX flag.
    * config/s390/s390.md ("tbegin_1_z13"): New expander.

gcc/testsuite/ChangeLog:
    * gcc.target/s390/htm-builtins-z13-1.c: New test.

From-SVN: r226672

S/390: Doc: Add documentation for -mhtm, -mvx, and -mzvector.

gcc/ChangeLog:
    * config/s390/s390.opt: Clarify description for -mzvector
    * doc/invoke.texi: Add documentation for -mhtm, -mvx, and
    -mzvector.

From-SVN: r226671