[AArch64] Fix vcvt_high_f64_f32 and vcvt_figh_f32_f64 intrinsics.

gcc/

* config/aarch64/aarch64-simd.md
(aarch64_float_truncate_hi_v4sf): Rewrite as an expand.
(aarch64_float_truncate_hi_v4sf_le): New.
(aarch64_float_truncate_hi_v4sf_be): Likewise.

gcc/testsuite/

* gcc.target/aarch64/advsimd-intrinsics/vcvt_high_1.c: New.

From-SVN: r228044

Limit number of symlinks that canonical() will resolve

* src/filesystem/ops.cc (canonical): Simplify error handling and
limit number of symlinks that can be resolved.

From-SVN: r228043

Fix semantics of Filesystem TS directory iterators

[class.directory_iterator] p4 and [directory_iterator.members] p4
require that only the default constructor and ignored permission denied
errors can create the end iterator.

* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Remove _GLIBCXX_
prefix from HAVE_STRUCT_DIRENT_D_TYPE.
* config.h.in: Regenerate.
* configure: Regenerate.
* include/experimental/fs_dir.h (operator==, operator==):
Use owner_before instead of pointer equality.
(directory_iterator(std::shared_ptr<_Dir>, error_code*)): Remove.
* src/filesystem/dir.cc (ErrorCode): Remove.
(_Dir::advance): Change ErrorCode parameter to error_code*, add
directory_options parameter and check it on error.
(opendir): Rename to open_dir to avoid clashing with macro. Change
ErrorCode parameter to error_code*.
(make_shared_dir): Remove.
(native_readdir) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Don't set errno.
(directory_iterator(std::shared_ptr<_Dir>, error_code*)): Remove.
(directory_iterator(const path&, directory_options, error_code*)):
Pass options to _Dir::advance and create non-end iterator on error.
(recursive_directory_iterator(const path&, directory_options,
error_code*)): Clear error_code on ignored error, create non-end
iterator otherwise.
(recursive_directory_iterator::increment): Pass _M_options to
_Dir::advance.
(recursive_directory_iterator::pop): Likewise.
* testsuite/experimental/filesystem/iterators/directory_iterator.cc:
New.
* testsuite/experimental/filesystem/iterators/
recursive_directory_iterator.cc: New.

From-SVN: r228042

Fix filesystem::create_directories() function

* src/filesystem/ops.cc (is_dot, is_dotdot): Define new helpers.
(create_directories): Fix error handling.
* testsuite/experimental/filesystem/operations/create_directories.cc:
New.

From-SVN: r228041

tree-ssa-structalias.c (intra_create_variable_infos): Build representatives for all restrict qualified pointer destinations.

2015-09-23  Richard Biener  <rguenther@suse.de>

* tree-ssa-structalias.c (intra_create_variable_infos): Build
representatives for all restrict qualified pointer destinations.

* g++.dg/tree-ssa/restrict2.C: Un-XFAIL testcase.

From-SVN: r228040

AVX-512. Add kshift[lr][bwdq]. Fix iterator.

gcc/
* config/i386/i386.md (define_code_attr mshift): New.
(define_mode_iterator SWI1248_AVX512BW): Rename ...
(SWI1248_AVX512BW): ... to this. Make QI enabled for TARGET_AVX512DQ
only.
(define_insn "*k<logic><mode>"): Use new iterator name.
(define_insn "*<mshift><mode>3"): New.

From-SVN: r228034

Fix use of valgrind API

gcc/
PR middle-end/67649
* memory-block.h (memory_block_pool::allocate): Use valgrind API to
mark the block as accessible.

From-SVN: r228033

Daily bump.

From-SVN: r228031

Fix -Wmisleading-indentation false-positive

gcc/c-family/ChangeLog:

* c-indentation.c (should_warn_for_misleading_indentation):
Float out and consolidate the calls to get_visual_column that
are passed guard_exploc as an argument.  Compare
next_stmt_vis_column with guard_line_first_nws instead of with
body_line_first_nws.

gcc/testsuite/ChangeLog:

* c-c++-common/Wmisleading-indentation.c: Augment test.

From-SVN: r228027

shrink-wrap: Handle multiple predecessors of prologue

The caller of try_shrink_wrapping wants to be returned a single edge to
put the prologue on.  To make that work even if there are multiple edges
(all pointing to the PRO block) that need the prologue, add a new block
that becomes the destination of all such edges, and then jumps to PRO.

In the general case, some edges to PRO will need to be redirected, and
not all edges *can* be redirected.  This adds a can_get_prologue function
that detects such cases.  This then happily can also handle the "prologue
clobbers some reg that is live on the edge we want to insert it on" case.

Not all EDGE_CROSSING edges can be redirected, so handle those the same
as EDGE_COMPLEX edges.

2015-09-22  Segher Boessenkool  <segher@kernel.crashing.org>

* function.c (thread_prologue_and_epilogue_insns): Delete
orig_entry_edge argument to try_shrink_wrapping.
* shrink-wrap.c (can_get_prologue): New function.
(can_dup_for_shrink_wrapping): Also handle EDGE_CROSSING.
(try_shrink_wrapping): Delete orig_entry_edge argument.  Use
can_get_prologue where needed.  Remove code that finds a single
edge for the prologue.  Remove code that tests if any reg clobbered
by the prologue is live on the prologue edge.  Remove code that finds
the new prologue edge after duplicating blocks.  Make a new prologue
block and edge.
* shrink-wrap.h (try_shrink_wrapping): Delete orig_entry_edge argument.

From-SVN: r228022

[PATCH] Remove undefined behaviour from hppa backend

* config/pa/pa.h (MIN_LEGIT_64BIT_CONST_INT: Avoid undefined
behavior.

From-SVN: r228021

c.opt (Wmultiple-inheritance, [...]): New C++ warnings.

c-family/
* c.opt (Wmultiple-inheritance, Wvirtual-inheritance, Wtemplates,
Wnamespaces): New C++ warnings.

cp/
* decl.c (xref_basetypes): Check virtual and/or multiple
inheritance warning.
* parser.c (cp_parser_namespace_definition): Check namespaces
warning.
* pt.c (push_template_decl_real): Check templates warning.

* doc/invoke.texi  (-Wmultiple-inheritance, -Wvirtual-inheritance,
-Wtemplates, -Wnamespaces): Document.

testsuite/
* g++.dg/diagostic/disable.C: New.

From-SVN: r228019

Disconnect -Wabi=<n> from -fabi-compat-version=<n>.

gcc/c-family/
* c-common.h (abi_compat_version_crosses): New.
(warn_abi_version): Declare.
* c-common.c: Define it.
* c-opts.c (c_common_post_options): Handle it.
flag_abi_compat_version defaults to 8.
gcc/cp/
* mangle.c (abi_warn_or_compat_version_crosses): New.
Use it instead of abi_version_crosses.
(mangle_decl): Deal with -fabi-compat-version and -Wabi separately.

From-SVN: r228017

Handle restrict pointer references as restrict in AA

2015-09-22  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/67671
* tree-ssa-structalias.c (create_variable_info_for_1): Handle restrict
pointer references as restrict.

* g++.dg/pr67671.C: New test.

From-SVN: r228015

Update Andrew Cagney's address.

From-SVN: r228014

nios2.c (nios2_legitimize_address): When handling 'reg + reloc' cases...

2015-09-22  Chung-Lin Tang  <cltang@codesourcery.com>

* config/nios2/nios2.c (nios2_legitimize_address): When handling
'reg + reloc' cases, allow first operand to be non-REG, and use
force_reg() to enforce address pattern.

From-SVN: r228012

re PR target/67480 (AVX512 bitwise logic operations pattern is incorrect)

PR target/67480

gcc/
* config/i386/sse.md (define_mode_iterator VI48_AVX_AVX512F): New.
(define_mode_iterator VI12_AVX_AVX512F): New.
(define_insn "<mask_codefor><code><mode>3<mask_name>"): Change
all iterators to VI48_AVX_AVX512F. Extract remaining modes ...
(define_insn "*<code><mode>3"): ... Into new pattern using
VI12_AVX_AVX512F iterators without masking.

gcc/testsuite/
* gcc.target/i386/pr67480.c: New test.

From-SVN: r228010

AVX-512. Introduce SKylake server CPU.

gcc/
* config.gcc: Support "skylake-avx512".
        * config/i386/i386-c.c (ix86_target_macros_internal): Handle
        PROCESSOR_SKYLAKE_AVX512.
        * config/i386/i386.c (m_SKYLAKE_AVX512): Define.
        (processor_target_table): Add "skylake-avx512".
        (PTA_SKYLAKE_AVX512): Define.
(ix86_option_override_internal): Add "skylake_avx512".
        (fold_builtin_cpu): Handle "skylake_avx512", add F_AVX512VL
F_AVX512BW, F_AVX512DQ, F_AVX512ER, F_AVX512PF, F_AVX512CD.
        * config/i386/i386.h (TARGET_SKYLAKE_AVX512): Define.
        (processor_type): Add PROCESSOR_SKYLAKE_AVX512.
* doc/invoke.texi (skylake-avx512): New.

libgcc/
* libgcc/config/i386/cpuinfo.c (enum processor_features): Add
FEATURE_AVX512VL, FEATURE_AVX512BW, FEATURE_AVX512DQ,
FEATURE_AVX512CD, FEATURE_AVX512ER, FEATURE_AVX512PF.
(get_available_features): Habdle new features.

gcc/testsuite/
        * gcc.target/i386/funcspec-5.c: Test avx512vl, avx512bw,
avx512dq, avx512cd, avx512er, avx512pf and skylake-avx512.
* gcc.target/i386/builtin_target.c: Test  avx512vl, avx512bw,
avx512dq, avx512cd, avx512er and avx512pf.

From-SVN: r228009

AVX-512. Fix patterns for kunpck insns.

gcc/
* gcc/config/i386/i386.md (define_insn "kunpckhi"): Fix
operand in pattern.
(define_insn "kunpcksi"): Ditto.
(define_insn "kunpckdi"): Ditto.

From-SVN: r228005

AVX-512. Fix kxnor insn split.

gcc/
* gcc/config/i386/i386.md (define_split not/xor SWI1248x): Use
iterator instead of fixed modes.

From-SVN: r228003

[AArch64] Use atomic load-operate instructions for update-fetch patterns.

2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

* config/aarch64/aarch64-protos.h (aarch64_gen_atomic_ldop):
Adjust declaration.
* config/aarch64/aarch64.c (aarch64_emit_bic): New.
(aarch64_gen_atomic_ldop): Adjust comment.  Add parameter
out_result.  Update to support update-fetch operations.
* config/aarch64/atomics.md (aarch64_atomic_exchange<mode>_lse):
Adjust for change to aarch64_gen_atomic_ldop.
(aarch64_atomic_<atomic_optab><mode>_lse): Likewise.
(aarch64_atomic_fetch_<atomic_optab><mode>_lse): Likewise.
(atomic_<atomic_optab>_fetch<mode>): Change to an expander.
(aarch64_atomic_<atomic_optab>_fetch<mode>): New.
(aarch64_atomic_<atomic_optab>_fetch<mode>_lse): New.

gcc/testsuite
2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

* gcc.target/aarch64/atomic-inst-ldadd.c: Add tests for
update-fetch operations.
* gcc.target/aarch64/atomic-inst-ldlogic.c: Likewise.

From-SVN: r228002

[AArch64] Use atomic load-operate instructions for fetch-update patterns.

gcc/
2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

* config/aarch64/aarch64-protos.h
(aarch64_atomic_ldop_supported_p): Declare.
* config/aarch64/aarch64.c (aarch64_atomic_ldop_supported_p): New.
(enum aarch64_atomic_load_op_code): New.
(aarch64_emit_atomic_load_op): New.
(aarch64_gen_atomic_ldop): Update to support load-operate
patterns.
* config/aarch64/atomics.md (atomic_<atomic_optab><mode>): Change
to an expander.
(aarch64_atomic_<atomic_optab><mode>): New.
(aarch64_atomic_<atomic_optab><mode>_lse): New.
(atomic_fetch_<atomic_optab><mode>): Change to an expander.
(aarch64_atomic_fetch_<atomic_optab><mode>): New.
(aarch64_atomic_fetch_<atomic_optab><mode>_lse): New.

gcc/testsuite/
2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

* gcc.target/aarch64/atomic-inst-ldadd.c: New.
* gcc.target/aarch64/atomic-inst-ldlogic.c: New.

From-SVN: r228001

[AArch64] Add atomic load-operate instructions.

2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

* config/aarch64/aarch64/atomics.md (UNSPECV_ATOMIC_LDOP): New.
(UNSPECV_ATOMIC_LDOP_OR): New.
(UNSPECV_ATOMIC_LDOP_BIC): New.
(UNSPECV_ATOMIC_LDOP_XOR): New.
(UNSPECV_ATOMIC_LDOP_PLUS): New.
(ATOMIC_LDOP): New.
(atomic_ldop): New.
(aarch64_atomic_load<atomic_ldop><mode>): New.

From-SVN: r228000

[AArch64] Make BIC, other logical instructions, available.

2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

* config/aarch64/aarch64.md
(<LOGICAL:optab>_one_cmpl_<SHIFT:optab><mode>3): Make a named
pattern.

From-SVN: r227999

[AArch64] Use atomic instructions for swap and fetch-update operations.

gcc/
2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

* config/aarch64/aarch64-protos.h (aarch64_gen_atomic_ldop):
Declare.
* config/aarch64/aarch64.c (aarch64_emit_atomic_swap): New.
(aarch64_gen_atomic_ldop): New.
(aarch64_split_atomic_op): Fix whitespace and add a comment.
* config/aarch64/atomics.md (UNSPECV_ATOMIC_SWP): New.
(aarch64_compare_and_swap<mode>_lse): Fix some whitespace.
(atomic_exchange<mode>): Replace with an expander.
(aarch64_atomic_exchange<mode>): New.
(aarch64_atomic_exchange<mode>_lse): New.
(aarch64_atomic_<atomic_optab><mode>): Fix some whitespace.
(aarch64_atomic_swp<mode>): New.

gcc/testsuite/
2015-09-22  Matthew Wahab  <matthew.wahab@arm.com>

* gcc.target/aarch64/atomic-inst-ops.inc: (TEST_MODEL): New.
(TEST_ONE): New.
        * gcc.target/aarch64/atomic-inst-swap.c: New.

From-SVN: r227998

[PATCH tree-inline] Do not say "called from here" with UNKNOWN_LOCATION

In https://sourceware.org/ml/libc-alpha/2014-12/msg00300.html, we give a
"called from here" note without actually having a location, which looks
strange. I haven't been able to generate such a testcase. If this happens,
try to at least point to the current function being called. If that location is
also unknown, skip the extra note.

gcc/ChangeLog:

2015-09-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* tree-inline.c (expand_call_inline): Use inform for extra note.
Do not give a note with UNKNOWN_LOCATION.
Replace input_location with gimple_location (stmt).
Use true/false instead of TRUE/FALSE.

gcc/testsuite/ChangeLog:

2015-09-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* gcc.target/i386/inline_error.c (int bar): Use dg-message for note.
* gcc.target/i386/pr57756.c (static __inline int caller): Likewise.
* gcc.target/i386/pr59789.c (f1): Likewise.
* gcc.target/i386/intrinsics_5.c (__m128i foo): Likewise.
* gcc.target/i386/intrinsics_6.c: Likewise.
* gcc.dg/winline-5.c (int t): Likewise.
* gcc.dg/winline-9.c (t): Likewise.
* gcc.dg/always_inline2.c (q): Likewise.
* gcc.dg/winline-2.c (inline int t): Likewise.
* gcc.dg/winline-6.c: Likewise.
* gcc.dg/winline-10.c (void g): Likewise.
* gcc.dg/pr49243.c (void parse): Likewise.
* gcc.dg/always_inline3.c (q2): Likewise.
* gcc.dg/winline-3.c: Likewise.
* gcc.dg/winline-7.c (inline void *t): Likewise.

From-SVN: r227997

Handle single restrict pointer in struct in create_variable_info_for_1

2015-09-22  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/67666
* tree-ssa-structalias.c (create_variable_info_for_1): Handle struct
with single field non-conservative.

* g++.dg/pr67666.C: New test.

From-SVN: r227996

re PR libgomp/67141 (wrong libgomp mutex initialisation order)

2015-09-22  Chung-Lin Tang  <cltang@codesourcery.com>

PR libgomp/67141
* oacc-int.h (goacc_host_init): Add declaration.
* oacc-host.c (goacc_host_init): Remove static and constructor attribute.
* oacc-init.c (goacc_runtime_initialize): Call goacc_host_init() at end.

From-SVN: r227994

Revert LRA SPARC changes for now.

gcc/

PR/67622
Revert:
2015-09-11  David S. Miller  <davem@davemloft.net>

* config/sparc/constraints.md: Make "U" constraint a real register
constraint.
* config/sparc/sparc.c (TARGET_LRA_P): Define.
(D_MODES, DF_MODES): Add missing cast.
(TF_MODES, TF_MODES_NO_S): Include T_MODE.
(OF_MODES, OF_MODES_NO_S): Include O_MODE.
(sparc_register_move_cost): Decrease Niagara/UltrsSPARC memory
cost to 8.
* config/sparc/sparc.h (PROMOTE_MODE): Define.
* config/sparc/sparc.md (*movsi_lo_sum, *movsi_high): Do not
provide these insn when flag_pic.

2015-09-17  David S. Miller  <davem@davemloft.net>

* config/sparc/sparc-protos.h (sparc_secondary_memory_needed):
Declare.
* config/sparc/sparc.c (sparc_secondary_memory_needed): New
function.
* config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED): Use it.
(HARD_REGNO_CALLER_SAVE_MODE): Define.
* config/sparc/sparc.md (sethi_di_medlow, losum_di_medlow, seth44)
(setm44, setl44, sethh, setlm, sethm, setlo, embmedany_sethi)
(embmedany_losum, embmedany_brsum, embmedany_textuhi)
(embmedany_texthi, embmedany_textulo, embmedany_textlo): Do not
provide when flag_pic.

From-SVN: r227993

Daily bump.

From-SVN: r227992

[FT32] fixes for the default hardware startup

libgcc/
        * config/ft32/crti-hw.S: Use __PMSIZE to allow configurable
        memory layout. Deal correctly with BSS region larger than 32K.
        Handle a watchdog reset like a power-on reset. Clean up unused
        code.

From-SVN: r227986

resolve.c (nonscalar_typebound_assign): Fix typos in comment.

2015-09-21  Steven G. Kargl  <kargl@gcc.gnu.org>

* resolve.c (nonscalar_typebound_assign): Fix typos in comment.

From-SVN: r227985

re PR fortran/67615 (ICE on using arithmetic if with array instead of scalar)

2015-09-21  Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/67615
* resolve.c (gfc_resolve_code): Check for scalar expression in
arithmetic-if.

2015-09-21  Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/67615
* gfortran.dg/pr67615.f90: new test.

From-SVN: r227981

[PATCH] Fix undefined behavior in h8300 backend

* config/h8300/h8300.md (andsi3_ashift_n_lower): Avoid undefined
behavior.

* gcc.target/h8300/andsi3_ashift_n_lower.c: New test.

From-SVN: r227978

Complete the implementation of N4230, Nested namespace definition.

/c-family
2015-09-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

Complete the implementation of N4230, Nested namespace definition.
* c-cppbuiltin.c: Add __cpp_namespace_attributes and
__cpp_nested_namespace_definitions.

/cp
2015-09-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

Complete the implementation of N4230, Nested namespace definition.
* parser.c (cp_parser_namespace_definition): Support namespace
attributes both before and after the namespace identifier.

/testsuite
2015-09-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

Complete the implementation of N4230, Nested namespace definition.
* g++.dg/cpp1y/feat-cxx11-neg.C: Add tests for C++17 namespace
attributes and nested namespace definitions.
* g++.dg/cpp1y/feat-cxx98-neg.C: Likewise.
* g++.dg/cpp1z/feat-cxx1z.C: Likewise.
* g++.dg/cpp1y/feat-cxx14-neg.C: New.
* g++.dg/cpp1z/namespace-attribs.C: Likewise.
* g++.dg/cpp1z/nested-namespace-def1.C: Add tests for attributes
appearing before the namespace identifier.

From-SVN: r227977

Handle lines encoded into several maps in linemap_position_for_loc_and_offset

linemap_position_for_loc_and_offset() tries to generate a location_t
encoding a column offset from the current location, for example, point
to a certain character inside a string. This is trivial to do when the
new location "fits within" the map of the original location. However,
it may happen that the (long) line corresponding to the original
location is encoded in several maps, thus the new location should
actually be encoded in a subsequent map from the original location.
This patch detects this case and adjusts the map correspondingly.

(This shows that the line-map representation is quite wasteful in this
case, because line-maps always start at column 0. That is, map[0]
highest location may encode up to line 8 column 80, then
map[1]->start_location starts encoding at line 8 column 0. Thus, there
are two location_t values that point to the same source location.)

libcpp/ChangeLog:

2015-09-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

PR c/66415
* line-map.c (linemap_position_for_loc_and_offset): Handle the
case of long lines encoded in multiple maps.

gcc/testsuite/ChangeLog:

2015-09-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

PR c/66415
* gcc.dg/cpp/pr66415-1.c: Test column number.

From-SVN: r227975

* config/spu/spu.c (spu_expand_insv): Avoid undefined behavior.

From-SVN: r227974

passes.c (rest_of_decl_compilation): Do not call dwarf2out_early_global_decl for aliases.

2015-09-21  Richard Biener  <rguenther@suse.de>

* passes.c (rest_of_decl_compilation): Do not call
dwarf2out_early_global_decl for aliases.

* g++.dg/ext/attr-alias-3.C: Add -g.

From-SVN: r227973

re PR debug/67664 (Duplicate AT_const_value attributes in some c++ cases.)

2015-09-21  Richard Biener  <rguenther@suse.de>

PR debug/67664
* dwarf2out.c (add_location_or_const_value_attribute): Remove
attribute parameter.  Early exit if either DW_AT_const_value
or DW_AT_location are present already.
(gen_variable_die): Adjust caller.
(dwarf2out_late_global_decl): Likewise.

* g++.dg/debug/dwarf2/pr67764.C: New testcase.

From-SVN: r227972

re PR target/64345 ([SH] Improve single bit extraction)

testsuite/
PR target/64345
* gcc.target/sh/pr64345-1.c: Adjust expected insn counts for SH2A.

From-SVN: r227971

re PR target/67657 ([SH][5/6 Regression]: internal compiler error: in cselib_record_set, at cselib.c:2396 when compiling libjpeg-turbo)

gcc/
PR target/67657
* config/sh/sh.c (sh_remove_overlapping_post_inc,
sh_peephole_emit_move_insn): Add new functions.
* config/sh/sh-protos.h (sh_remove_overlapping_post_inc,
sh_peephole_emit_move_insn): Declere them.
* config/sh/sh.md: Use them in various peephole2 patterns.

From-SVN: r227969

re PR middle-end/67651 (Optimizer assumes nothing can reside at address 0 despite -fno-delete-null-pointer-checks)

2015-09-21  Richard Biener  <rguenther@suse.de>

PR middle-end/67651
* rtlanal.c (nonzero_address_p): SYMBOL_REFs may have zero
address with -fno-delete-null-pointer-checks.

From-SVN: r227968

Catch excess warning in gcc.dg/pragma-diag-5.c

We xfail at emitting the correct location, but we still need to catch the
warning.

2015-09-21 Manuel López-Ibáñez <manu@gcc.gnu.org>

* gcc.dg/pragma-diag-5.c: Catch excess warning.

From-SVN: r227967

Fix bootstrap error introduced in r227870

PR libstdc++/67647
* include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
(basic_string::shrink_to_fit): Fix #endif placement.

From-SVN: r227966

[RS6000] Migrate from reduc_xxx to reduc_xxx_scal optabs

* config/rs6000/altivec.md (reduc_splus_<mode>): Rename to...
(reduc_plus_scal_<mode>): ...this, add rs6000_expand_vector_extract.
(reduc_uplus_v16qi): Remove.

* config/rs6000/vector.md (VEC_reduc_name): Change "splus" to "plus".
(reduc_<VEC_reduc_name>_v2df): Remove.
(reduc_<VEC_reduc_name>_v4sf): Remove.
(reduc_<VEC_reduc:VEC_reduc_name>_scal_<VEC_F:name>): New.

* config/rs6000/vsx.md (vsx_reduc_<VEC_reduc_name>_v2df): Declare
gen_ function by removing * prefix.
(vsx_reduc_<VEC_reduc_name>_v4sf): Likewise.

From-SVN: r227965

[PR middle-end/60832] Do not convert widest_int to tree just for printing it.

In do_warn_aggressive_loop_optimizations, we convert to a tree just to print a
widest_int. Apart from overly complicated, this results in printing '3u'
instead of just '3'.

Unfortunately, adding a printf-like conversion specifier would require making
pretty-print.c link with wide-int.cc, which will include a lot of new
dependencies into several other programs (gcov-tool for example). It would be
possible to add the conversion specifier to every FE pretty-printer, but this
still would require updating c-format.c, which is far from trivial. A simpler
approach is to convert to a string rather than to a tree.

In addition, "iteration 3 invokes undefined behavior within this loop" seems to
me clearer than "iteration 3 invokes undefined behavior; containing loop".

gcc/testsuite/ChangeLog:

2015-09-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

PR middle-end/60832
* gcc.dg/pr53265.c: Update.

gcc/ChangeLog:

2015-09-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

PR middle-end/60832
* tree-ssa-loop-niter.c (do_warn_aggressive_loop_optimizations):
Print i_bound without converting it to a tree.

From-SVN: r227964

[ARM] Replacing variable swaps that use a temporary variable with a call to std::swap in gcc/config/arm/arm.c

On behalf of <bilyan.borisov@arm.com>

2015-09-21  Bilyan Borisov  <bilyan.borisov@arm.com>

* config/arm/arm.c (thumb_output_move_mem_multiple): Replaced
operands[4] operands[5] swap with std::swap, removed tmp variable.
(arm_evpc_neon_vzip): Replaced in0/in1 and
out0/out1 swaps with std::swap, removed x variable.
(arm_evpc_neon_vtrn): Replaced in0/int1 and
out0/out1 swaos with std::swap, removed x variable.
(arm_expand_vec_perm_const_1): Replaced
d->op0/d->op1 swap with std::swap, removed x variable.
(arm_evpc_neon_vuzp): Replaced in0/in1 and
out0/out1 swaps with std::swap, removed x variable.

From-SVN: r227963

cygwin.h (STARTFILE_SPEC): Explicitly search sysroot/usr/lib/32api for additional win32 libraries...

2015-09-21  Jonathan Yong  <10walls@gmail.com>

        * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
        sysroot/usr/lib/32api for additional win32 libraries,
        fixes failing Cygwin bootstrapping.

From-SVN: r227962

* gcc.target/arm/stack-checking.c: Skip for Thumb1.

From-SVN: r227960

invoke.texi (SH Options): Undocument SH5/SH64 related options.

gcc/
* doc/invoke.texi (SH Options): Undocument SH5/SH64 related options.

From-SVN: r227959

re PR tree-optimization/59478 (Optimize variable access via byte copy)

gcc/testsuite/
PR target/59478
* gcc.target/sh/pr59478.c: New.

From-SVN: r227958

re PR target/67126 ([SH] gcc.target/sh/pr51244-12.c failures)

gcc/
PR target/67126
* config/sh/sh.md (*reg_lsb_t): Emit bld insn on SH2A.
(*mov_t_msb_neg): Rewrite negc pattern.

gcc/testsuite/
PR target/67126
* gcc.target/sh/pr51244-12.c: Adjust testcase.
* gcc.target/sh/pr54236-2.c: Likewise.

From-SVN: r227957

Daily bump.

From-SVN: r227956

re PR middle-end/67619 (ICE at -O1 and above on x86_64-linux-gnu in int_mode_for_mode, at stor-layout.c:425)

PR middle-end/67619
* lib/target-supports.exp (check_effective_target_builtin_eh_return):
New procedure.

From-SVN: r227952

MAINTAINERS: Update email.

2015-09-20  Kai Tietz  <ktietz70@googlemail.com>

* MAINTAINERS: Update email.

From-SVN: r227951

[AArch64][5/5] Cleanup immediate generation code in aarch64_internal_mov_immediate

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

* config/aarch64/aarch64.c (aarch64_internal_mov_immediate): Cleanup
immediate generation code.

From-SVN: r227950

[AArch64][4/5] Remove redundant code

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

* config/aarch64/aarch64.c (aarch64_internal_mov_immediate): Remove
redundant immediate generation code.

From-SVN: r227949

[AArch64][3/5] Remove dead code

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

* config/aarch64/aarch64.c (aarch64_bitmasks): Remove.
(AARCH64_NUM_BITMASKS): Remove.
(aarch64_bitmasks_cmp): Remove.
(aarch64_build_bitmask_table): Remove.

From-SVN: r227948

[AArch64][2/5] Improve aarch64_internal_mov_immediate by using faster algorithm

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

* config/aarch64/aarch64.c (aarch64_internal_mov_immediate): Replace
slow immediate matching loops with a faster algorithm.

From-SVN: r227947

[AArch64][1/5] Reimplement aarch64_bitmask_imm

2015-09-20  Wilco Dijkstra  <wdijkstr@arm.com>

* config/aarch64/aarch64.c (aarch64_bitmask_imm): Reimplement using
faster algorithm.

From-SVN: r227946

pr43417.c: Move target independent test to ...

gcc/testsuite/
* gcc.target/sh/pr43417.c: Move target independent test to ...
* gcc.c-torture/compile/pr43417.c: ... here.

From-SVN: r227945

sh.exp (check_effective_target_sh4a, [...]): New effective target checks.

gcc/testsuite/
* gcc.target/sh/sh.exp (check_effective_target_sh4a,
check_effective_target_big_endian, check_effective_target_little_endian,
check_effective_target_any_fpu, check_effective_target_double_fpu,
check_effective_target_use_single_only_fpu,
check_effective_target_default_single_fpu,
check_effective_target_no_fpu, check_effective_target_has_xf_regs,
check_effective_target_has_fsca, check_effective_target_has_fsrra,
check_effective_target_has_fpchg, check_effective_target_has_dyn_shift,
check_effective_target_fmovd_enabled,
check_effective_target_has_privileged, check_effective_target_has_pref,
check_effective_target_banked_r0r7_isr,
check_effective_target_stack_save_isr): New effective target checks.
* gcc.target/sh/pr51244-16.c: Merge into pr51244-15.c.
* gcc.target/sh/pr51244-20-sh2a.c: Merge into pr51244-20.c.
* gcc.target/sh/pr51244-3.c: Merge into pr51244-2.c
* gcc.target/sh/pr54089-5.c: Merge into pr54089-4.c.
* gcc.target/sh/20080410-1.c: Use new effective target checks.
* gcc.target/sh/attr-isr-nosave_low_regs.c: Likewise.
* gcc.target/sh/attr-isr.c: Likewise.
* gcc.target/sh/fpul-usage-1.c: Likewise.
* gcc.target/sh/hiconst.c: Likewise.
* gcc.target/sh/mfmovd.c: Likewise.
* gcc.target/sh/pr21255-3.c: Likewise.
* gcc.target/sh/pr33135-1.c: Likewise.
* gcc.target/sh/pr33135-2.c: Likewise.
* gcc.target/sh/pr33135-3.c: Likewise.
* gcc.target/sh/pr33135-4.c: Likewise.
* gcc.target/sh/pr39423-2.c: Likewise.
* gcc.target/sh/pr49880-4.c: Likewise.
* gcc.target/sh/pr49880-5.c: Likewise.
* gcc.target/sh/pr50749-sf-postinc-1.c: Likewise.
* gcc.target/sh/pr50749-sf-postinc-2.c: Likewise.
* gcc.target/sh/pr50749-sf-postinc-3.c: Likewise.
* gcc.target/sh/pr50749-sf-postinc-4.c: Likewise.
* gcc.target/sh/pr50749-sf-predec-1.c: Likewise.
* gcc.target/sh/pr50749-sf-predec-2.c: Likewise.
* gcc.target/sh/pr50749-sf-predec-3.c: Likewise.
* gcc.target/sh/pr50749-sf-predec-4.c: Likewise.
* gcc.target/sh/pr50751-2.c: Likewise.
* gcc.target/sh/pr50751-3.c: Likewise.
* gcc.target/sh/pr50751-5.c: Likewise.
* gcc.target/sh/pr50751-6.c: Likewise.
* gcc.target/sh/pr50751-8.c: Likewise.
* gcc.target/sh/pr51244-15.c: Likewise.
* gcc.target/sh/pr51244-2.c: Likewise.
* gcc.target/sh/pr51244-20.c: Likewise.
* gcc.target/sh/pr51244-6.c: Likewise.
* gcc.target/sh/pr52483-4.c: Likewise.
* gcc.target/sh/pr53511-1.c: Likewise.
* gcc.target/sh/pr53512-1.c: Likewise.
* gcc.target/sh/pr53512-2.c: Likewise.
* gcc.target/sh/pr53512-3.c: Likewise.
* gcc.target/sh/pr53512-4.c: Likewise.
* gcc.target/sh/pr53513-1.c: Likewise.
* gcc.target/sh/pr54089-2.c: Likewise.
* gcc.target/sh/pr54089-3.c: Likewise.
* gcc.target/sh/pr54089-4.c: Likewise.
* gcc.target/sh/pr54602-2.c: Likewise.
* gcc.target/sh/pr54602-3.c: Likewise.
* gcc.target/sh/pr54602-4.c: Likewise.
* gcc.target/sh/pr54680.c: Likewise.
* gcc.target/sh/pr55303-1.c: Likewise.
* gcc.target/sh/pr55303-2.c: Likewise.
* gcc.target/sh/pr55303-3.c: Likewise.
* gcc.target/sh/pr56547-1.c: Likewise.
* gcc.target/sh/pr56547-2.c: Likewise.
* gcc.target/sh/pr61195.c: Likewise.
* gcc.target/sh/pr61996.c: Likewise.
* gcc.target/sh/pr6526.c: Likewise.
* gcc.target/sh/pragma-isr-nosave_low_regs.c: Likewise.
* gcc.target/sh/pragma-isr-trapa2.c: Likewise.
* gcc.target/sh/prefetch.c: Likewise.
* gcc.target/sh/rte-delay-slot.c: Likewise.
* gcc.target/sh/sh2a-band.c: Likewise.
* gcc.target/sh/sh2a-bclr.c: Likewise.
* gcc.target/sh/sh2a-bclrmem.c: Likewise.
* gcc.target/sh/sh2a-bld.c: Likewise.
* gcc.target/sh/sh2a-bor.c: Likewise.
* gcc.target/sh/sh2a-bset.c: Likewise.
* gcc.target/sh/sh2a-bsetmem.c: Likewise.
* gcc.target/sh/sh2a-bxor.c: Likewise.
* gcc.target/sh/sh2a-jsrn.c: Likewise.
* gcc.target/sh/sh2a-movi20s.c: Likewise.
* gcc.target/sh/sh2a-movrt.c: Likewise.
* gcc.target/sh/sh2a-resbank.c: Likewise.
* gcc.target/sh/sh2a-rtsn.c: Likewise.
* gcc.target/sh/sh2a-tbr-jump.c: Likewise.
* gcc.target/sh/sh4a-bitmovua.c: Likewise.
* gcc.target/sh/sh4a-cosf.c: Likewise.
* gcc.target/sh/sh4a-fsrra.c: Likewise.
* gcc.target/sh/sh4a-memmovua.c: Likewise.
* gcc.target/sh/sh4a-sincosf.c: Likewise.
* gcc.target/sh/sh4a-sinf.c: Likewise.

From-SVN: r227944

[PATCH] Fix 47679 by improving jump threading

PR tree-optimization/47679
* tree-ssa-dom.c (record_temporary_equivalences): No longer static.
* tree-ssa-dom.h (record_temporary_equivalences): Add prototype.
* tree-ssa-threadedge.c: Include tree-ssa-dom.h.
(thread_through_normal_block): Use record_temporary_equivalences.

        PR tree-optimization/47679
* g++.dg/warn/Wuninitialized-6.C: New test.

From-SVN: r227942

switch from gimple to gimple*

This renames the gimple_statement_base struct to gimple removes the
typedef of gimple_statement_base * to gimple, and then adjusts all of
the places that use the type.

gcc/ChangeLog:

2015-09-19  Trevor Saunders  <tbsaunde@tbsaunde.org>

* coretypes.h (gimple): Change typedef to be a forward
declaration.
* gimple.h (gimple_statement_base): rename to gimple.
* (all functions and types using gimple): Adjust.
* *.[ch]: Likewise.

gcc/cp/ChangeLog:

2015-09-19  Trevor Saunders  <tbsaunde@tbsaunde.org>

* cp-gimplify.c (gimplify_must_not_throw_expr): Adjust.

From-SVN: r227941

Daily bump.

From-SVN: r227940

xcoff.h (EH_FRAME_IN_DATA_SECTION): Delete.

2015-09-19  Andrew Dixie  <andrewd@gentrack.com>
            David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): Delete.
        (ASM_PREFERRED_EH_DATA_FORMAT): Define.
        (EH_FRAME_THROUGH_COLLECT2): Define.
        (EH_TABLES_CAN_BE_READ_ONLY): Define.
        (ASM_OUTPUT_DWARF_PCREL): Define.
        (ASM_OUTPUT_DWARF_DATAREL): Define.

Co-Authored-By: David Edelsohn <dje.gcc@gmail.com>
From-SVN: r227937

re PR libstdc++/67361 (std::regex_error::what() should say something about the error_code)

PR libstdc++/67361
* include/bits/regex_error.h: Add __throw_regex_error that
supports string.
* include/bits/regex_automaton.h: Add more specific exception
messages.
* include/bits/regex_automaton.tcc: Likewise.
* include/bits/regex_compiler.h: Likewise.
* include/bits/regex_compiler.tcc: Likewise.
* include/bits/regex_scanner.h: Likewise.
* include/bits/regex_scanner.tcc: Likewise.

From-SVN: r227936

pa.c (pa_function_ok_for_sibcall): Remove special treatment of TARGET_ELF32.

* config/pa/pa.c (pa_function_ok_for_sibcall): Remove special treatment
of TARGET_ELF32.

From-SVN: r227933

Implement nested namespace definitions.

/cp
2015-09-18  Ville Voutilainen  <ville.voutilainen@gmail.com>

Implement nested namespace definitions.
* parser.c (cp_parser_namespace_definition): Grok nested namespace
definitions.

/testsuite
2015-09-18  Ville Voutilainen  <ville.voutilainen@gmail.com>

Implement nested namespace definitions.
* g++.dg/cpp1z/nested-namespace-def1.C: New.
* g++.dg/cpp1z/nested-namespace-def2.C: Likewise.
* g++.dg/cpp1z/nested-namespace-def3.C: Likewise.
* g++.dg/lookup/name-clash5.C: Adjust.
* g++.dg/lookup/name-clash6.C: Likewise.

From-SVN: r227932

[PATCH] avail_expr_stack is no longer file scoped

       PR tree-optimization/47679
        * tree-ssa-dom.c (avail_exprs_stack): No longer file scoped.  Move
        it here ...
        (dom_opt_dom_walker): New private member holding the avail_exprs_stack
        object.  Update constructor.
        (pass_dominator::execute):  Corresponding chagnes to declaration
        and initialization of avail_exprs_stack.  Update constructor call
        for dom_opt_dom_walker object.
        (lookup_avail_expr, record_cond): Accept additional argument.  Pass
        it down to children as needed.
        (record_equivalences_from_incoming_edge): Likewise.
        (eliminate_redundant_computations): Likewise.
        (record_equivalences_from_stmt): Likewise.
        (simplify_stmt_for_jump_threading): Likewise.
        (record_temporary_equivalences): Likewise.
        (optimize_stmt): Likewise.
        (dom_opt_dom_walker::thread_across_edge): Update access to
        avail_exprs_stack object and pass it to children as needed.
        (dom_opt_dom_walker::before_dom_children): Similarly.
        (dom_opt_dom_walker::after_dom_children): Similarly.
        * tree-ssa-threadedge.c (pfn_simplify): New typedef.
        (record_temporary_equivalences_from_stmts_at_dest): Use new typedef.
        Add avail_expr_stack argument.  Pass it to children as needed.
        (dummy_simplify): Likewise.
        (simplify_control_stmt_condition): Likewise.
        (thread_around_empty_blocks): Likewise.
        (thread_through_normal_block): Likewise.
        (thread_across_edge): Likewise.
        * tree-ssa-threadedge.h (thread_across_edge): Update prototype.
        * tree-vrp.c (simplify_stmt_for_jump_threading): Update.

From-SVN: r227931

Daily bump.

From-SVN: r227929

Misplaced return in previous commit.

2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* c-pragma.c (handle_pragma_diagnostic): Fix wrong return.

From-SVN: r227924

Use explicit locations for some warnings in c-pragma.c.

gcc/cp/ChangeLog:

2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* parser.c (pragma_lex): Add loc argument. Rearrange the code to
make it more similar to the C version.

gcc/c-family/ChangeLog:

2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* c-pragma.c (handle_pragma_diagnostic): Use explicit location
when warning.
* c-pragma.h (pragma_lex): Add optional loc argument.

gcc/c/ChangeLog:

2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* c-parser.c (pragma_lex): Add loc argument.

gcc/testsuite/ChangeLog:

2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* gcc.dg/pragma-diag-5.c: New test.

From-SVN: r227923

[PATCH] const_and_copies is no longer file scoped

        PR tree-optimization/47679
* tree-ssa-dom.c (const_and_copies): No longer file scoped.  Move
it here ...
(dom_opt_dom_walker): New private member holding the const_and_copies
object.  Update constructor.
(pass_dominator::execute): Corresponding changes to declaration
and initialization of const_and_copies.  Update constructor call
for the dom_opt_dom_walker object.
(record_temporary_equivalences): Accept const_and_copies argument
pass it down to children as needed.
(record_equality): Likewise.
(record_equivalences_from_incoming_edge): Likewise.
(cprop_into_successor_phis, optimize_stmt): Likewise.
(eliminate_redundant_computations): Likewise.
(dom_opt_dom_walker::thread_across_edge): Update access to
const_and_copies object and pass it to children as needed.
(dom_opt_dom_walker::before_dom_children): Similarly.
(dom_opt_dom_walker::after_dom_children): Similarly.

From-SVN: r227922

[PATCH] avail_exprs is no longer file scoped

* tree-ssa-dom.c (avail_exprs): No longer file scoped.  Bury
it into the avail_exprs_stack class.
(pass_dominator::execute): Corresponding changes to declaration
and initialization of avail_exprs.  Pass avail_exprs to
dump_dominator_optimization_stats.
(record_cond): Extract avail_exprs from avail_exprs_stack.
(lookup_avail_expr): Similarly.
(htab_staticstics): Remove unnecessary prototype.  Move to earlier
position in file.
(dump_dominator_optimization_stats): Make static and prototype.
Add argument for the hash table to dump.
(debug_dominator_optimization_stats): Remove.
* tree-ssa-dom.h (dump_dominator_optimization_stats): Remove
prototype.
(debug_dominator_optimization_stats): Similarly.
* tree-ssa-scopedtables.h (class avail_exprs_stack): Add missing
"void" in prototype for pop_to_marker method.  Add accessor method
for the underlying avail_exprs table.

* tree-ssa-threadedge.c: Remove trailing whitespace.

From-SVN: r227921

pa-protos.h (pa_cint_ok_for_move): Change argument type to unsigned.

* config/pa/pa-protos.h (pa_cint_ok_for_move): Change argument type to
unsigned.
(pa_ldil_cint_p): Likewise.
* config/pa/pa.c (pa_cint_ok_for_move): likewise.
(pa_ldil_cint_p): Likewise. Change signed casts to unsigned.
Update callers.
* config/pa/pa.md: Likewise.

From-SVN: r227920

Move diagnostic_show_locus and friends out into a new source file

gcc/ChangeLog:
* Makefile.in (OBJS-libcommon): Add diagnostic-show-locus.o.
* diagnostic.c (adjust_line): Move to diagnostic-show-locus.c.
(diagnostic_show_locus): Likewise.
(diagnostic_print_caret_line): Likewise.
* diagnostic-show-locus.c: New file.

From-SVN: r227915

Update copyright.

From-SVN: r227912

dwarf2out.c (switch_to_eh_frame_section): Add ATTRIBUTE_UNUSED to "back" parameter.

        * dwarf2out.c (switch_to_eh_frame_section): Add ATTRIBUTE_UNUSED to
        "back" parameter. Declare label in #if block.

From-SVN: r227911

re PR middle-end/67619 (ICE at -O1 and above on x86_64-linux-gnu in int_mode_for_mode, at stor-layout.c:425)

PR middle-end/67619
* except.c (expand_builtin_eh_return): Use copy_addr_to_reg to copy
the address to a register.

testsuite/ChangeLog:

PR middle-end/67619
* gcc.dg/torture/pr67619.c: New test.

From-SVN: r227909

[PATCH] Break out phi-only cprop into its own file

PR tree-optimization/47679
* Makefile.in (OBJS): Add tree-ssa-phionlycprop.o
* tree-ssa-dom.c: Remove unnecessary header includes.
(remove_stmt_or_phi): Moved from here into tree-ssa-phionlycprop.c
(get_rhs_or_phi_arg, get_lhs_or_phi_result): Likewise.
(propagate_rhs_into_lhs, eliminate_const_or_copy): Likewise.
(eliminate_degenerate_phis_1, pass_phi_only_cprop): Likewise.
(pass_phi_only_cprop::execute): Likewise.
(make_pass_phi_only_cprop): Likewise.
* tree-ssa-phionlycprop.c: New file with moved code.  Eliminate
uses of file scoped statics by passing the required objects
as parameters wherever needed.

From-SVN: r227908

aix61.h (STARTFILE_SPEC): Add crtdbase.o.

        * config/rs6000/aix61.h (STARTFILE_SPEC): Add crtdbase.o.
        * config/rs6000/rs6000-protos.h (rs6000_asm_output_dwarf_pcrel):
        Declare.
        (rs6000_asm_output_dwarf_datarel): Declare.

Co-Authored-By: David Edelsohn <dje.gcc@gmail.com>
From-SVN: r227907

config.host (powerpc-ibm-aix*): Add crtdbase.o to extra_parts.

libgcc/
        * config.host (powerpc-ibm-aix*): Add crtdbase.o to extra_parts.
        * config/rs6000/crtdbase.S: New file.
        * config/rs6000/t-aix-cxa: Build crtdbase.o.

gcc/
        * defaults.h (EH_FRAME_SECTION_NAME): Depend on
        EH_FRAME_THROUGH_COLLECT2.
        * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Add case for
        DW_EH_PE_datarel.
        * dwarf2out.c (switch_to_eh_frame_section): Use a read-only section
        even if EH_FRAME_SECTION_NAME is undefined.  Restrict special
        collect2 labels to EH_FRAME_THROUGH_COLLECT2.
        * except.c (switch_to_exception_section): Use a read-only section
        even if EH_FRAME_SECTION_NAME is undefined.
        * system.h (EH_FRAME_IN_DATA_SECTION): Poison.
        * collect2.c (write_c_file_stat): Provide dbase on AIX.
        (scan_prog_file): Don't export __dso_handle nor
        __gcc_unwind_dbase.
        * config/rs6000/aix.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
        (EH_TABLES_CAN_BE_READ_ONLY): Define.
        (ASM_OUTPUT_DWARF_PCREL): Define.
        (ASM_OUTPUT_DWARF_DATAREL): Define.
        (EH_FRAME_THROUGH_COLLECT2): Define.
        (EH_FRAME_IN_DATA_SECTION): Delete.
        * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_pcrel): New.
        (rs6000_aix_asm_output_dwarf_datarel): New.
        (rs6000_xcoff_asm_init_sections): Don't set exception_section.
        * config/spu/spu-elf.h (EH_FRAME_IN_DATA_SECTION): Delete.
        (EH_FRAME_THROUGH_COLLECT2): Define.
        * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Delete.
        (EH_FRAME_THROUGH_COLLECT2): Define.
        (EH_TABLES_CAN_BE_READ_ONLY): Define.
        * doc/tm.texi.in (EH_FRAME_IN_DATA_SECTION): Delete.
        (EH_FRAME_THROUGH_COLLECT2): New.
        (ASM_OUTPUT_DWARF_DATAREL): New.
        * doc/tm.texi: Regenerate.

Co-Authored-By: David Edelsohn <dje.gcc@gmail.com>
From-SVN: r227906

dwarf2out.c (append_entry_to_tmpl_value_parm_die_table): Assert we're in early phase.

2015-09-18  Richard Biener  <rguenther@suse.de>

* dwarf2out.c (append_entry_to_tmpl_value_parm_die_table): Assert
we're in early phase.
(schedule_generic_params_dies_gen): Likewise.
(gen_remaining_tmpl_value_param_die_attribute): Do only as much
work as possible, retaining unhandled cases.
(gen_scheduled_generic_parms_dies): Set early-dwarf flag and
clear out generic_type_instances at the end.
(dwarf2out_finish): Move call to gen_scheduled_generic_parms_dies...
(dwarf2out_early_finish): ... here.  Do most of
gen_remaining_tmpl_value_param_die_attribute here.

From-SVN: r227905

Fix errors due to extra includes in extc++.h

* include/precompiled/extc++.h: Fix bootstrap error due to
unconditional inclusion of <ext/enc_filebuf.h>.
* include/ext/random: Check for definition of UINT32_C.

From-SVN: r227902

completely_scalarize arrays as well as records.

gcc/:

PR tree-optimization/67283
* tree-sra.c (type_consists_of_records_p): Rename to...
(scalarizable_type_p): ...this, add case for ARRAY_TYPE.
(completely_scalarize_record): Rename to...
(completely_scalarize): ...this, add ARRAY_TYPE case, move some code to:
(scalarize_elem): New.
(analyze_all_variable_accesses): Follow renamings.

gcc/testsuite/:

* gcc.dg/tree-ssa/sra-15.c: New.
* gcc.dg/tree-ssa/sra-16.c: New.

From-SVN: r227901

dwarf2out.c (add_location_or_const_value_attribute): Do nothing in early-dwarf.

2015-09-18  Richard Biener  <rguenther@suse.de>

* dwarf2out.c (add_location_or_const_value_attribute): Do nothing
in early-dwarf.

From-SVN: r227899

re PR tree-optimization/66142 (Loop is not vectorized because not sufficient support for GOMP_SIMD_LANE)

2015-09-18  Richard Biener  <rguenther@suse.de>

PR tree-optimization/66142
* fold-const.c (operand_equal_p): When OEP_ADDRESS_OF
treat MEM[&x] and x the same.
* tree-ssa-sccvn.h (vn_reference_fold_indirect): Remove.
* tree-ssa-sccvn.c (vn_reference_fold_indirect): Return true
when we simplified sth.
(vn_reference_maybe_forwprop_address): Likewise.
(valueize_refs_1): When we simplified through
vn_reference_fold_indirect or vn_reference_maybe_forwprop_address
set valueized_anything to true.
(vn_reference_lookup_3): Use stmt_kills_ref_p to see whether
one ref kills the other instead of just a offset-based test.
* tree-ssa-alias.c (stmt_kills_ref_p): Use OEP_ADDRESS_OF
for the operand_equal_p test to compare bases and also compare
sizes.

From-SVN: r227896

Daily bump.

From-SVN: r227892

debug.cc: Include <cstdio>.

2015-09-17  Catherine Moore  <clm@codesourcery.com>

        * src/c++11/debug.cc: Include <cstdio>.

From-SVN: r227888

Include <cerrno> in src/c++11/random.cc

2015-09-17  Gerald Pfeifer  <gerald@pfeifer.com>

* src/c++11/random.cc: Include <cerrno>.

From-SVN: r227887

re PR sanitizer/64078 (FAIL: c-c++-common/ubsan/object-size-9.c)

2015-09-17  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR sanitizer/64078
        * c-c++-common/ubsan/object-size-9.c (s): Add alignment attribute.
        (f2, f3): Make the function static.
        * c-c++-common/ubsan/object-size-10.c (a, b): Add alignment attribute.

From-SVN: r227886

2015-09-17  François Dumont  <fdumont@gcc.gnu.org>

* include/debug/formatter.h
(_Error_formatter::_Parameter::_M_print_field): Deprecate.
(_Error_formatter::_Parameter::_M_print_description): Likewise.
(_Error_formatter::_M_format_word): Likewise.
(_Error_formatter::_M_print_word): Likewise.
(_Error_formatter::_M_print_string): Likewise.
(_Error_formatter::_M_get_max_length): Likewise.
(_Error_formatter::_M_max_length): Delete.
(_Error_formatter::_M_indent): Likewise.
(_Error_formatter::_M_column): Likewise.
(_Error_formatter::_M_first_line): Likewise.
(_Error_formatter::_M_wordwrap): Likewise.
* src/c++11/debug.cc: Adapt.

From-SVN: r227885

Implement N4295 fold-expressions.

* cp-tree.def: Add UNARY_LEFT_FOLD_EXPR, UNARY_RIGHT_FOLD_EXPR,
BINARY_LEFT_FOLD_EXPR, BINARY_RIGHT_FOLD_EXPR.
* cp-objcp-common.c (cp_common_init_ts): Handle them.
* cp-tree.h (FOLD_EXPR_CHECK, BINARY_FOLD_EXPR_CHECK, FOLD_EXPR_P)
(FOLD_EXPR_MODIFY_P, FOLD_EXPR_OP, FOLD_EXPR_PACK, FOLD_EXPR_INIT): New.
* parser.c (cp_parser_skip_to_closing_parenthesis): Split out...
(cp_parser_skip_to_closing_parenthesis_1): This function.  Change
or_comma parameter to or_ttype.
(cp_parser_fold_operator, cp_parser_fold_expr_p)
(cp_parser_fold_expression): New.
(cp_parser_primary_expression): Use them.
* pt.c (expand_empty_fold, fold_expression, tsubst_fold_expr_pack)
(tsubst_fold_expr_init, expand_left_fold, tsubst_unary_left_fold)
(tsubst_binary_left_fold, expand_right_fold)
(tsubst_unary_right_fold, tsubst_binary_right_fold): New.
(tsubst_copy): Use them.
(type_dependent_expression_p): Handle fold-expressions.
* semantics.c (finish_unary_fold_expr)
(finish_left_unary_fold_expr, finish_right_unary_fold_expr)
(finish_binary_fold_expr): New.

Co-Authored-By: Jason Merrill <jason@redhat.com>
From-SVN: r227883

posix.c (backtrace_open): Cast second argument of open() to int.

2015-09-17  Ian Lance Taylor  <iant@google.com>

        * posix.c (backtrace_open): Cast second argument of open() to int.

From-SVN: r227881

arm.md (*call_value_symbol): Fix operand for interworking.

2015-09-17  Christian Bruel  <christian.bruel@st.com>

* config/arm/arm.md (*call_value_symbol): Fix operand for interworking.

From-SVN: r227880

* gcc-interface/trans.c (emit_check): Do not touch TREE_SIDE_EFFECTS.

From-SVN: r227879

Handle alignment in __atomic_is_lock_free

gcc:

2015-09-17  Richard Henderson  <rth@redhat.com>

PR libstdc++/65913
* builtins.c (fold_builtin_atomic_always_lock_free): Handle fake
pointers that encode the alignment of the object.

libstdc++-v3:

2015-09-17  Jonathan Wakely  <jwakely@redhat.com>

PR libstdc++/65913
* include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
__atomic_base<_PTp*>::is_lock_free()): Call the built-in with the
immediate pointer value, not a variable.
* include/std/atomic (atomic<T>::is_lock_free()): Likewise.
* testsuite/29_atomics/atomic/65913.cc: New.

From-SVN: r227878

re PR rtl-optimization/66790 (Invalid uninitialized register handling in REE)

PR rtl-optimization/66790
* df-problems.c (LIVE): Amend documentation.

From-SVN: r227874

Remove non-deterministic part of canonical() test

* testsuite/experimental/filesystem/operations/canonical.cc: Remove
non-deterministic part of the test.

From-SVN: r227873