Commit Graph

145 Commits

Author SHA1 Message Date
Jakub Jelinek
99dee82307 Update copyright years. 2021-01-04 10:26:59 +01:00
Jonathan Wakely
026ca1121c libstdc++: Fix test_and_acquire for EABI
libstdc++-v3/ChangeLog:

	* config/cpu/arm/cxxabi_tweaks.h (_GLIBCXX_GUARD_TEST_AND_ACQUIRE):
	Do not try to dereference return value of __atomic_load_n.
2020-10-01 12:54:37 +01:00
Jonathan Wakely
d1ac0f0dfb libstdc++: Fix test_and_acquire / set_and_release for EABI guard variables
The default definitions of _GLIBCXX_GUARD_TEST_AND_ACQUIRE and
_GLIBCXX_GUARD_SET_AND_RELEASE in libsupc++/guard.cc only work for the
generic (IA64) ABI, because they test/set the first byte of the guard
variable. For EABI we need to use the least significant bit, which means
using the first byte is wrong for big endian targets.

This has been wrong since r224411, but previously it only caused poor
performance. The _GLIBCXX_GUARD_TEST_AND_ACQUIRE at the very start of
__cxa_guard_acquire would always return false even if the initialization
was actually complete. Before my r11-3484 change the atomic compare
exchange would have loaded the correct value, and then returned 0 as
expected when the initialization is complete. After my change, in the
single-threaded case there is no redundant check for init being
complete, because I foolishly assumed that the check at the start of the
function actually worked.

The default definition of _GLIBCXX_GUARD_SET_AND_RELEASE is also wrong
for big endian EABI, but appears to work because it sets the wrong bit
but then the buggy TEST_AND_ACQUIRE tests that wrong bit as well. Also,
the buggy SET_AND_RELEASE macro is only used for targets with threads
enabled but no futex syscalls.

This should fix the regressions introduced by my patch, by defining
custom versions of the TEST_AND_ACQUIRE and SET_AND_RELEASE macros that
are correct for EABI.

libstdc++-v3/ChangeLog:

	* config/cpu/arm/cxxabi_tweaks.h (_GLIBCXX_GUARD_TEST_AND_ACQUIRE):
	(_GLIBCXX_GUARD_SET_AND_RELEASE): Define for EABI.
2020-09-30 21:14:43 +01:00
Jakub Jelinek
8d9254fc8a Update copyright years.
From-SVN: r279813
2020-01-01 12:51:42 +01:00
Andrew Pinski
c44e87ac7c Fix libstdc++ compiling for an aarch64 multilib with big-endian.
2019-12-07  Andrew Pinski  <apinski@marvell.com>

        * config/cpu/aarch64/opt/ext/opt_random.h: Wrap around with check
        for little-endian like ext/random is done.

From-SVN: r279081
2019-12-07 16:08:55 -08:00
Jakub Jelinek
a554497024 Update copyright years.
From-SVN: r267494
2019-01-01 13:31:55 +01:00
Jakub Jelinek
85ec4feb11 Update copyright years.
From-SVN: r256169
2018-01-03 11:03:58 +01:00
Kyrylo Tkachov
0e0cefc62e [aarch64][libstdc++] Use __ARM_BIG_ENDIAN instead of __AARCH64EB__ in opt_random.h
As has been spotted at https://gcc.gnu.org/ml/gcc-patches/2017-12/msg01289.html
we check the __AARCH64EB__ macro for aarch64 big-endian
detection in config/cpu/aarch64/opt/ext/opt_random.h.
That works just fine with GCC but the standardised ACLE[1] macro
for that purpose is __ARM_BIG_ENDIAN so there is a possibility
that non-GCC compilers that include this header are not aware
of this predefine.

So this patch changes the use of __AARCH64EB__ to
the more portable __ARM_BIG_ENDIAN.

Tested on aarch64-none-elf and aarch64_be-none-elf.

Preapproved by Jeff at https://gcc.gnu.org/ml/gcc-patches/2017-12/msg01326.html

	* config/cpu/aarch64/opt/ext/opt_random.h (__VEXT): Check
	__ARM_BIG_ENDIAN instead of __AARCH64EB__.

From-SVN: r255857
2017-12-20 10:28:13 +00:00
Michael Collison
5bbf7664c3 Add optimized implementation of mersenne twister for aarch64
2017-07-23  Michael Collison  <michael.collison@arm.com>

	Add optimized implementation of mersenne twister for aarch64
	* config/cpu/aarch64/opt/ext/opt_random.h: New file.
	(__arch64_recursion): New function.
	(__aarch64_lsr_128): New function.
	(__aarch64_lsl_128): New function.
	(operator==): New function.
	(simd_fast_mersenne_twister_engine): Implement
	method _M_gen_rand.
	* config/cpu/aarch64/opt/bits/opt_random.h: New file.
	* include/ext/random: (simd_fast_mersenne_twister_engine):
	add _M_state private array.

From-SVN: r250464
2017-07-23 22:46:34 +00:00
Jakub Jelinek
cbe34bb5ed Update copyright years.
From-SVN: r243994
2017-01-01 13:07:43 +01:00
Sebastian Huber
320c7be3ff [RTEMS] Always use atomic builtins for libstdc++
libstdc++-v3/
	* config/cpu/m68k/atomicity.h: Adjust comment.
	* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Honor
	explicit atomicity_dir setup via configure.host.
	* configure.host (rtems-*): Set atomicity_dir.
	* configure: Regenerate.

From-SVN: r240387
2016-09-23 06:58:00 +00:00
Chris Gregory
f92ab29ffa Remove trailing whitespace from libstdc++-v3 files
2016-04-29  Chris Gregory  <czipperz@gmail.com>

	* config/*: Remove trailing whitespace.
	* src/*: Likewise.
	* testsuite/tr1/*: Likewise.
	* testsuite/util/*: Likewise.

From-SVN: r235645
2016-04-29 17:11:43 +01:00
Jonathan Wakely
351a5f8142 * config/cpu/sh/atomicity.h: Fix typo in comment.
From-SVN: r235156
2016-04-18 17:19:25 +01:00
Jakub Jelinek
818ab71a41 Update copyright years.
From-SVN: r232055
2016-01-04 15:30:50 +01:00
Nathan Froyd
141aa58b53 opt_random.h: Include pmmintrin.h instead of x86intrin.h, and only do so when __SSE3__
* config/cpu/i486/opt/bits/opt_random.h: Include pmmintrin.h instead
	of x86intrin.h, and only do so when __SSE3__
	* include/ext/random: Include emmintrin.h instead of x86intrin.h

From-SVN: r228786
2015-10-13 20:55:44 +00:00
Ramana Radhakrishnan
1c6682fa9f Use atomics in guard.cc / remove special casing in targets.
The PowerPC, AIX, Alpha, IA64  implementations of atomic_word.h are in no
way different from what can be achieved with the generic rewrite in
Patch 1 of this series - delete these.

2015-06-12  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/cpu/alpha/atomic_word.h: Remove.
        * config/cpu/ia64/atomic_word.h: Remove.
        * config/cpu/powerpc/atomic_word.h: Remove.
        * config/os/aix/atomic_word.h: Remove.
        * configure.host (atomic_word_dir) [ia64, aix*, powerpc, alpha]:
        Use generic definition.

From-SVN: r224413
2015-06-12 09:55:38 +00:00
Ramana Radhakrishnan
57e6d9be77 Use atomics in guard.cc.
This provides proper definitions for _GLIBCXX_READ_MEM_BARRIER and
_GLIBCXX_WRITE_MEM_BARRIER, rewrites the guards in terms of proper
atomic extensions and removes internal uses of
_GLIBCXX_READ_MEM_BARRIER and _GLIBCXX_WRITE_MEM_BARRIER and replaces
them with equivalent atomics.

2015-06-12  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/66200
	PR c++/66192
	* * config/cpu/generic/atomic_word.h (_GLIBCXX_READ_MEM_BARRIER): Define
        (_GLIBCXX_WRITE_MEM_BARRIER): Likewise
        * include/bits/shared_ptr_base.h: Use ACQ_REL barrier.
        * include/ext/atomicity.h: Likewise.
        * include/tr1/shared_ptr.h: Likewise.
        * libsupc++/guard.cc (__test_and_acquire): Rewrite with atomics.
        Update comment.
        (__set_and_release): Likewise.
        * testsuite/20_util/shared_ptr/cons/43820_neg.cc (test01): Adjust for
	line numbers.
        * testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
        * testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
	Likewise.

From-SVN: r224411
2015-06-12 09:49:41 +00:00
David Edelsohn
e3592e196a re PR target/66224 (PowerPC _GLIBCXX_READ_MEM_BARRIER too weak)
PR target/66224
        * config/cpu/powerpc/atomic_word.h (_GLIBCXX_READ_MEM_BARRIER):
        Don't use isync. Use lwsync if available.
        * configure.host (atomic_word_dir) [aix[56789]*]: Delete to use
        powerpc cpu definition.

From-SVN: r223496
2015-05-21 13:18:25 -04:00
Ramana Radhakrishnan
49c6543450 Add cpu_defines.h for ARM.
2015-05-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* configure.host: Define cpu_defines_dir for ARM.
	* config/cpu/arm/cpu_defines.h: New file.

From-SVN: r223361
2015-05-19 12:47:50 +00:00
Oleg Endo
5eb1643c2c re PR libstdc++/29366 (atomics config for sh is weird)
libstdc++-v3/
	PR target/29366
	* config/cpu/sh/atomicity.h (__exchange_and_add, __atomic_add): 
	Remove SH4A inline asm and lock based implementations and use the
	defaults from ext/atomicity.h.

From-SVN: r220094
2015-01-25 16:54:33 +00:00
Jakub Jelinek
5624e564d2 Update copyright years.
From-SVN: r219188
2015-01-05 13:33:28 +01:00
Richard Sandiford
aa118a03c4 Update copyright years in libstdc++-v3/
From-SVN: r206301
2014-01-02 22:30:10 +00:00
Richard Sandiford
405feeb871 Update copyright in libstdc++-v3.
From-SVN: r195701
2013-02-03 17:54:05 +00:00
Jakub Jelinek
90d04a445c Update Copyright years for files modified in 2011 and/or 2012.
From-SVN: r194903
2013-01-04 13:49:55 +01:00
Paolo Carlini
eeeef8f4f9 re PR libstdc++/54869 (ext/random/simd_fast_mersenne_twister_engine/cons/default.cc FAILs)
2012-10-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/54869
	* include/ext/random (simd_fast_mersenne_twister_engine): Provide
	only for little endian targets.
	* include/ext/random.tcc: Likewise.
	* config/cpu/i486/opt/ext/opt_random.h: Likewise.
	* testsuite/lib/libstdc++.exp (check_v3_target_little_endian): Add.
	* testsuite/lib/dg-options.exp (dg-require-little-endian): Add.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	operators/equal.cc: Use the latter.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	operators/serialize.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	operators/inequal.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/copy.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/seed1.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/seed2.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/default.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/seed_seq.cc: Likewise.

From-SVN: r192256
2012-10-09 14:50:19 +00:00
Paolo Carlini
fb95b3dfae re PR libstdc++/54727 (error: declaration of ‘UINT64_C’ must be available)
2012-09-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/54727
	* config/cpu/i486/opt/bits/opt_random.h: Avoid UINT64_C.

From-SVN: r191806
2012-09-27 12:53:46 +00:00
Ulrich Drepper
48c7b524c1 Optimize bulk mode for normal_distribution<double> for SSE3.
2012-09-26  Ulrich Drepper  <drepper@gmail.com>

	Optimize bulk mode for normal_distribution<double> for SSE3.
	* configure.host: Define cpu_opt_bits_random.
	* configure.ac: Substitute CPU_OPT_BITS_RANDOM.
	* include/Makefile.am (bits_headers): Add ${bits_host_headers}.
	(bits_host_headers): Define.
	* include/bits/random.tcc: Move __details::_Power_of_2 to...
	* include/bits/random.h: ...here.
	* include/std/random: Include <bits/opt_random.h>.
	* config/cpu/i486/opt/bits/opt_random.h: New file.
	* config/cpu/generic/opt/bits/opt_random.h: New file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* aclocal.m4: Regenerated.
	* doc/Makefile.in: Regenerated.
	* include/Makefile.in: Regenerated.
	* libsupc++/Makefile.in: Regenerated.
	* po/Makefile.in: Regenerated.
	* python/Makefile.in: Regenerated.
	* src/Makefile.in: Regenerated.
	* src/c++11/Makefile.in: Regenerated.
	* src/c++98/Makefile.in: Regenerated.
	* testsuite/Makefile.in: Regenerated.

	* config/cpu/generic/opt/ext/opt_random.h: Fix comment.

From-SVN: r191758
2012-09-26 13:10:26 +00:00
Paolo Carlini
ecfce0b850 re PR libstdc++/54612 (Many failures in ext/random testsuite)
2012-09-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/54612
	* include/ext/random.tcc (operator==
	(const __gnu_cxx::simd_fast_mersenne_twister_engine<>&,
	const __gnu_cxx::simd_fast_mersenne_twister_engine<>&)): Fix
	state_size use.
	* config/cpu/i486/opt/ext/opt_random.h: Guard with __SSE2__.

From-SVN: r191424
2012-09-18 14:02:20 +00:00
Ulrich Drepper
9bf714c23f configure.ac: Substitute CPU_OPT_EXT_RANDOM.
* configure.ac: Substitute CPU_OPT_EXT_RANDOM.
	* configure.host: Define cpu_opt_ext_random to location of the
	optimized version of <ext/random>.
	* include/Makefile.am (ext_headers): Add ${ext_host_headers}.
	(ext_host_headers): Define.
	* include/ext/random (simd_fast_mersenne_twister_engine<>
	::operator==): Don't define function here.
	* include/ext/random.tcc (simd_fast_mersenne_twister_engine): Don't
	define code using SSE2 here.  Define generic code only if
	_GLIBCXX_OPT_HAVE_RANDOM_SFMT_GEN_READ is not defined.
	(simd_fast_mersenne_twister_engine<>
	::operator==): Define here if
	_GLIBCXX_OPT_HAVE_RANDOM_SFMT_OPERATOREQUAL is not defined.
	* config/cpu/generic/opt/ext/opt_random.h: New file.
	* config/cpu/i486/opt/ext/opt_random.h: New file.
	* libsupc++/Makefile.in: Regenerated.
	* testsuite/Makefile.in: Regenerated.
	* po/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* doc/Makefile.in: Regenerated.
	* aclocal.m4: Regenerated.
	* python/Makefile.in: Regenerated.
	* include/Makefile.in: Regenerated.
	* src/c++98/Makefile.in: Regenerated.
	* src/c++11/Makefile.in: Regenerated.
	* src/Makefile.in: Regenerated.

From-SVN: r191384
2012-09-17 13:02:39 +00:00
Jakub Jelinek
7dcbaaa984 re PR libstdc++/51798 (libstdc++ atomicity performance regression due to __sync_fetch_and_add)
PR libstdc++/51798
	* config/cpu/generic/atomicity_builtins/atomicity.h
	(__exchange_and_add, __atomic_add): Use __atomic_fetch_add
	with __ATOMIC_ACQ_REL semantics instead of __sync_fetch_and_add.
	* include/ext/atomicity.h (__exchange_and_add, __atomic_add):
	Likewise.

From-SVN: r183644
2012-01-27 21:26:03 +01:00
Benjamin Kosnik
12ffa22844 PR libstdc++/36104 part four
2011-01-30  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/36104 part four
	* include/bits/c++config (_GLIBCXX_STD): Remove.
	(_GLIBCXX_STD_D, _GLIBCXX_PR): Now _GLIBCXX_STD_C.
	(_GLIBCXX_P): Now _GLIBCXX_STD_A.
	(_GLIBCXX_NAMESPACE_DEBUG, _GLIBCXX_NAMESPACE_PARALLEL,
	 _GLIBCXX_NAMESPACE_PROFILE, _GLIBCXX_NAMESPACE_VERSION): Remove.
	(_GLIBCXX_INLINE_DEBUG, _GLIBCXX_INLINE_PARALLEL,
	 _GLIBCXX_INLINE_PROFILE): Remove.
	(_GLIBCXX_BEGIN_NAMESPACE(X)): Remove.
	(_GLIBCXX_END_NAMESPACE): Remove.
	(_GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y)): Remove.
	(_GLIBCXX_END_NESTED_NAMESPACE): Remove.
	(_GLIBCXX_BEGIN_NAMESPACE_ALGO): Add.
	(_GLIBCXX_END_NAMESPACE_ALGO): Add.
	(_GLIBCXX_BEGIN_NAMESPACE_CONTAINER): Add.
	(_GLIBCXX_END_NAMESPACE_CONTAINER): Add.
	(_GLIBCXX_BEGIN_NAMESPACE_VERSION): Add.
	(_GLIBCXX_END_NAMESPACE_VERSION): Add.
	(_GLIBCXX_BEGIN_LDBL_NAMESPACE): To _GLIBCXX_BEGIN_NAMESPACE_LDBL.
	(_GLIBCXX_END_LDBL_NAMESPACE): To _GLIBCXX_END_NAMESPACE_LDBL.
	(_GLIBCXX_VISIBILITY_ATTR): Revert to _GLIBCXX_VISIBILITY.
	* include/*: Use new macros for namespace scope.
	* config/*: Same.
	* src/*: Same.

	* src/Makefile.am (sources): Remove debug_list.cc, add
	compatibility-debug_list-2.cc.
	(parallel_sources): Remove parallel_list.cc, add
	compatibility-parallel_list-2.cc.
	(compatibility-parallel_list-2.[o,lo]): New rule.
	* src/Makefile.in: Regenerate.
	* src/debug_list.cc: Remove.
	* src/parallel_list.cc: Remove.
	* src/compatibility-list-2.cc: New.
	* src/compatibility-debug_list-2.cc: New.
	* src/compatibility-parallel_list-2.cc: New.

	* doc/doxygen/user.cfg.in: Adjust macros.

	* testsuite/20_util/auto_ptr/assign_neg.cc: Adjust line numbers, macros.
	* testsuite/20_util/declval/requirements/1_neg.cc: Same.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Same.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Same.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Same.
	* testsuite/20_util/forward/c_neg.cc: Same.
	* testsuite/20_util/forward/f_neg.cc: Same.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Same.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Same.
	* testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Same.
	* testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Same.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Same.
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Same.
	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Same.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_1_neg.cc: Same.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_2_neg.cc: Same.
	* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc: Same.
	* testsuite/23_containers/forward_list/capacity/1.cc: Same.
	* testsuite/23_containers/forward_list/requirements/dr438/
	assign_neg.cc: Same.
	* testsuite/23_containers/forward_list/requirements/dr438/
	constructor_1_neg.cc: Same.
	* testsuite/23_containers/forward_list/requirements/dr438/
	constructor_2_neg.cc: Same.
	* testsuite/23_containers/forward_list/requirements/dr438/
	insert_neg.cc: Same.
	* testsuite/23_containers/list/capacity/29134.cc: Same.
	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc: Same.
	* testsuite/23_containers/list/requirements/dr438/
	constructor_1_neg.cc: Same.
	* testsuite/23_containers/list/requirements/dr438/
	constructor_2_neg.cc: Same.
	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc: Same.
	* testsuite/23_containers/vector/bool/capacity/29134.cc: Same.
	* testsuite/23_containers/vector/bool/modifiers/insert/31370.cc: Same.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc: Same.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_1_neg.cc: Same.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_2_neg.cc: Same.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc: Same.
	* testsuite/25_algorithms/sort/35588.cc: Same.
	* testsuite/27_io/ios_base/cons/assign_neg.cc: Same.
	* testsuite/27_io/ios_base/cons/copy_neg.cc: Same.
	* testsuite/ext/profile/mutex_extensions_neg.cc: Same.
	* testsuite/ext/profile/profiler_algos.cc: Same.
	* testsuite/ext/type_traits/add_unsigned_floating_neg.cc: Same.
	* testsuite/ext/type_traits/add_unsigned_integer_neg.cc: Same.
	* testsuite/ext/type_traits/remove_unsigned_floating_neg.cc: Same.
	* testsuite/ext/type_traits/remove_unsigned_integer_neg.cc: Same.
	* testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc: Same.

From-SVN: r169421
2011-01-30 22:39:36 +00:00
Benjamin Kosnik
7c3e9502c3 re PR libstdc++/36104 (gnu-versioned-namespace is broken)
2011-01-14  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/36104
	* include/Makefile.am (bits_sup_headers, stamp-bits-sup): New.
	* include/Makefile.in: Regenerate.
	* libsupc++/Makefile.am (std_HEADERS, bits_HEADERS): New.
	(install-stdHEADERS, install-bitsHEADERS): New.
	* libsupc++/Makefile.in: Regenerate.

	* include/bits/c++config: Update for inline namespaces.
	* libsupc++/cxxabi-forced.h: To...
	* libsupc++/cxxabi_forced.h: ...this.
	* libsupc++/hash_bytes.h: Separate file.
	* libsupc++/typeinfo: Use it.
	* libsupc++/exception: Adjust for bits subdirectory.
	* libsupc++/eh_aux_runtime.cc: Same.
	* libsupc++/eh_ptr.cc: Same.
	* libsupc++/new_op.cc: Same.
	* libsupc++/exception_defines.h: Same.
	* libsupc++/nested_exception.h: Same.
	* libsupc++/eh_terminate.cc: Same.
	* libsupc++/vec.cc: Same.
	* libsupc++/vterminate.cc: Same.
	* libsupc++/exception_ptr.h: Same.
	* libsupc++/eh_personality.cc: Same.
	* libsupc++/eh_call.cc: Same.
	* libsupc++/new_opnt.cc: Same.
	* libsupc++/hash_bytes.cc: Same.
	* config/cpu/arm/cxxabi_tweaks.h: Same.
	* config/cpu/generic/cxxabi_tweaks.h: Same.
	* libsupc++/cxxabi.h: Same. Consolidate _GLIBCXX_NOTHROW defines.
	* include/std/bitset: Same.
	* include/ext/vstring.tcc: Same.
	* include/bits/hashtable.h: Same.
	* include/bits/functional_hash.h: Same.
	* include/bits/hashtable_policy.h: Same.
	* include/bits/basic_string.h: Same.
	* include/bits/istream.tcc: Same.
	* include/bits/ostream.tcc: Same.
	* include/bits/algorithmfwd.h: Same.
	* include/bits/basic_string.tcc: Same.
	* include/bits/ostream_insert.h: Same.
	* include/bits/fstream.tcc: Same.
	* include/bits/functexcept.h: Same.

	* doc/doxygen/user.cfg.in: Adjust names.

	* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust line numbers.

From-SVN: r168831
2011-01-15 00:27:10 +00:00
Jakub Jelinek
d652f226fc Update Copyright years for files modified in 2010.
From-SVN: r168438
2011-01-03 21:52:22 +01:00
Benjamin Kosnik
f910786b98 *: Use headername alias to associate private includes to public includes.
2010-11-18  Benjamin Kosnik  <bkoz@redhat.com>

	* config/*/*: Use headername alias to associate private includes
	to public includes.
	* include/*/*: Same.

	* scripts/run_doxygen: Update for doxygen 1.7.2.
	* doc/doxygen/user.cfg.in: Same.
	* doc/doxygen/TODO: Remove.

	* testsuite/*/std_c++0x_neg.cc: Adjust line number.

From-SVN: r168046
2010-12-19 09:21:16 +00:00
Michael Eager
809201325a Check in support for Xilinx MicroBlaze processor.
From-SVN: r164756
2010-09-30 18:21:57 +00:00
Andrew Stubbs
3cec90b456 atomicity.h (__exchange_and_add): Set earlyclobber constraint.
2009-09-14  Andrew Stubbs  <ams@codesourcery.com>

	* config/cpu/sh/atomicity.h (__exchange_and_add): Set earlyclobber
	constraint.

From-SVN: r151682
2009-09-14 10:18:41 +00:00
Jan Hubicka
09f2a1e440 * include/ext/atomicity.h
(__exchange_and_add, __atomic_add): Mark throw ().
	* config/os/aix/atomicity.h
	* config/os/aix/atomicity.h
	* config/os/irix/atomicity.h
	* config/cpu/cris/atomicity.h
	* config/cpu/m68k/atomicity.h
	* config/cpu/hppa/atomicity.h
	* config/cpu/sparc/atomicity.h
	* config/cpu/i386/atomicity.h
	* config/cpu/i486/atomicity.h
	* config/cpu/sh/atomicity.h
	* config/cpu/generic/atomicity_mutex/atomicity.h
	* config/cpu/generic/atomicity_builtins/atomicity.h
	(__exchange_and_add, __atomic_add): Mark throw ().

From-SVN: r146576
2009-04-22 13:13:55 +00:00
Jakub Jelinek
748086b7b2 Licensing changes to GPLv3 resp. GPLv3 with GCC Runtime Exception.
From-SVN: r145841
2009-04-09 17:00:19 +02:00
Andrew Stubbs
8f2b104d09 atomicity.h: Put the SH4A specific functions in the __gnu_cxx namespace.
2009-04-06  Andrew Stubbs  <ams@codesourcery.com>

	* config/cpu/sh/atomicity.h: Put the SH4A specific functions in the
	__gnu_cxx namespace.  Remove "static inline".

From-SVN: r145613
2009-04-06 16:47:32 +00:00
Benjamin Kosnik
9982752346 re PR libstdc++/36801 (config/cpu/generic/atomicity_mutex/atomicity.h incorrectly relies on global constructor ordering)
2009-01-07  Benjamin Kosnik  <bkoz@redhat.com>
	    Jonathan Larmour  <jifl@eCosCentric.com>

	PR libstdc++/36801
	* config/cpu/generic/atomicity_mutex/atomicity.h (get_atomic_mutex):
	New.
	(__gnu_cxx::__exchange_and_add): Use it.
	* src/atomic.cc (get_atomic_mutex): New.
	* src/debug.cc (get_safe_base_mutex): New.
	* src/locale.cc (get_locale_cache_mutex): New.
	* src/mt_allocator.cc (get_freelist): New.
	(get_freelist_mutex): New.
	* src/pool_allocator.cc (get_palloc_mutex): New.
	* include/std/mutex (__once_functor_lock): To
	(__get_once_functor_lock): ...this.
	* src/mutex.cc (__once_mutex): Don't export, use
	(get_once_mutex): ...this.
	* config/abi/pre/gnu.ver: Adjust exports.

From-SVN: r143182
2009-01-08 03:14:24 +00:00
David Daney
9be33399ba atomicity.h: Remove file.
2008-05-13  David Daney  <ddaney@avtrex.com>

	* config/cpu/mips/atomicity.h: Remove file.
	* config/cpu/mips: Remove directory.
	* configure.host: Remove host specific handling for mips*-*-*.

From-SVN: r135268
2008-05-13 17:42:46 +00:00
Jakub Jelinek
0f3e711eef configure.ac (--enable-linux-futex): Add new configure option.
libstdc++-v3/
	* configure.ac (--enable-linux-futex): Add new configure option.
	(HAVE_LINUX_FUTEX): New AC_DEFINE.
	* Makefile.in: Rebuilt.
	* aclocal.m4: Rebuilt.
	* configure: Rebuilt.
	* config.h.in: Rebuilt.
	* config/cpu/generic/cxxabi_tweaks.h (_GLIBCXX_GUARD_BIT,
	_GLIBCXX_GUARD_PENDING_BIT, _GLIBCXX_GUARD_WAITING_BIT): Define.
	* config/cpu/arm/cxxabi_tweaks.h (_GLIBCXX_GUARD_BIT,
	_GLIBCXX_GUARD_PENDING_BIT, _GLIBCXX_GUARD_WAITING_BIT): Define.
	* libsupc++/guard.cc: Include climits and syscall.h.
	(_GLIBCXX_USE_FUTEX): Define if futex syscall and atomic builtins
	are supported.
	(_GLIBCXX_FUTEX_WAIT, _GLIBCXX_FUTEX_WAKE): Likewise.
	(__guard_test_bit): New static inline.
	(__cxa_guard_acquire, __cxa_guard_release, __cxa_guard_abort): Use
	atomic builtins and futex syscall if _GLIBCXX_USE_FUTEX.
config/
	* futex.m4: New file.
libgomp/
	* configure.ac: Move futex checking into ../config/futex.m4.
	* configure: Rebuilt.
	* aclocal.m4: Rebuilt.
	* Makefile.in: Rebuilt.

	* configure.tgt: Rename have_tls to gcc_cv_have_tls to match
	2007-10-15 ../config/tls.m4 change.

From-SVN: r131399
2008-01-08 17:14:49 +01:00
Hans-Peter Nilsson
0678581243 configure.host (try_cpu settings): Set try_cpu=cris for crisv32.
* configure.host (try_cpu settings): Set try_cpu=cris for crisv32.
	* config/cpu/cris/atomicity.h (__exchange_and_add)
	[__CRIS_arch_version >= 32]: Add support for CRIS v32.

From-SVN: r130963
2007-12-15 21:33:45 +00:00
Nathan Sidwell
19caedae31 atomicity.h: Use __mcfisaa__...
* config/cpu/m68k/atomicity.h: Use __mcfisaa__, __mcfisaaplus__,
	__mcfisab__ & __mcfisac__ instead of obsolete cpu #defines.

From-SVN: r125775
2007-06-17 13:09:58 +00:00
Benjamin Kosnik
311635d103 c++config: Consistent macro guards for config includes.
2007-02-02  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/c++config: Consistent macro guards for config includes.
	* config/locale/gnu/c_locale.h: Same.
	* config/locale/generic/c_locale.h: Same.
	* config/allocator/mt_allocator_base.h: Same.
	* config/allocator/malloc_allocator_base.h: Same.
	* config/allocator/new_allocator_base.h: Same.
	* config/allocator/pool_allocator_base.h: Same.
	* config/allocator/bitmap_allocator_base.h: Same.
	* config/os/vxworks/os_defines.h: Same.
	* config/cpu/sh/atomicity.h: Same.
	* config/io/c_io_stdio.h: Same.
	* config/io/basic_file_stdio.h: Same.

From-SVN: r121502
2007-02-02 14:49:52 +00:00
Paolo Carlini
ddde5c6ddb re PR libstdc++/30586 (Namespace pollution in c++ headers)
2007-01-26  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/30586
	* config/cpu/ia64/atomic_word.h: Just include <bits/cxxabi_tweaks.h>.
	* testsuite/abi/30586.cc: New.

From-SVN: r121209
2007-01-26 18:00:42 +00:00
John David Anglin
8f0d85d6e8 atomicity.h (__exchange_and_add): Don't use ordered store.
* config/cpu/hppa/atomicity.h (__exchange_and_add): Don't use ordered
	store.
	(__atomic_add): Likewise.

From-SVN: r120751
2007-01-13 15:06:32 +00:00
Benjamin Kosnik
143c27b065 localefwd.h: Consistent @file placement...
2006-12-05  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/localefwd.h: Consistent @file placement, use
        include/ as part of the path for files that have shadows instead of no
        name.
	* include/bits/valarray_after.h: Same.
	* include/bits/gslice_array.h: Same.
	* include/bits/gslice.h: Same.
	* include/bits/locale_classes.h: Same.
	* include/bits/locale_facets.h: Same.
	* include/bits/indirect_array.h: Same.
	* include/bits/basic_string.h: Same.
	* include/bits/ios_base.h: Same.
	* include/bits/postypes.h: Same.
	* include/bits/codecvt.h: Same.
	* include/bits/mask_array.h: Same.
	* include/bits/slice_array.h: Same.
	* include/bits/boost_concept_check.h: Same.
	* include/bits/char_traits.h: Same.
	* include/bits/stringfwd.h: Same.
	* include/bits/c++config: Same.
	* include/bits/valarray_array.h: Same.
	* include/bits/valarray_before.h: Same.
	* include/bits/cpp_type_traits.h: Same.
	* include/c/std_cerrno.h: Same.
	* include/precompiled/extc++.h: Same.
	* include/precompiled/stdtr1c++.h: Same.
	* include/precompiled/stdc++.h: Same.
	* include/tr1/cinttypes: Same.
	* include/tr1/fenv.h: Same.
	* include/tr1/mu_iterate.h: Same.
	* include/tr1/cstdio: Same.
	* include/tr1/limits.h: Same.
	* include/tr1/ctgmath: Same.
	* include/tr1/cstdarg: Same.
	* include/tr1/tuple: Same.
	* include/tr1/float.h: Same.
	* include/tr1/stdint.h: Same.
	* include/tr1/tuple_iterate.h: Same.
	* include/tr1/type_traits_fwd.h: Same.
	* include/tr1/hashtable_policy.h: Same.
	* include/tr1/cfenv: Same.
	* include/tr1/wctype.h: Same.
	* include/tr1/ref_fwd.h: Same.
	* include/tr1/bind_repeat.h: Same.
	* include/tr1/utility: Same.
	* include/tr1/climits: Same.
	* include/tr1/type_traits: Same.
	* include/tr1/stdlib.h: Same.
	* include/tr1/cwchar: Same.
	* include/tr1/stdio.h: Same.
	* include/tr1/ref_wrap_iterate.h: Same.
	* include/tr1/cstdint: Same.
	* include/tr1/memory: Same.
	* include/tr1/cstdbool: Same.
	* include/tr1/cwctype: Same.
	* include/tr1/bind_iterate.h: Same.
	* include/tr1/math.h: Same.
	* include/tr1/random: Same.
	* include/tr1/tuple_defs.h: Same.
	* include/tr1/cstdlib: Same.
	* include/tr1/unordered_map: Same.
	* include/tr1/boost_shared_ptr.h: Same.
	* include/tr1/cctype: Same.
	* include/tr1/random.tcc: Same.
	* include/tr1/wchar.h: Same.
	* include/tr1/hashtable: Same.
	* include/tr1/cmath: Same.
	* include/tr1/stdbool.h: Same.
	* include/tr1/ctime: Same.
	* include/tr1/functional: Same.
	* include/tr1/unordered_set: Same.
	* include/tr1/inttypes.h: Same.
	* include/tr1/functional_iterate.h: Same.
	* include/tr1/repeat.h: Same.
	* include/tr1/complex: Same.
	* include/tr1/cfloat: Same.
	* include/tr1/ctype.h: Same.
	* include/tr1/stdarg.h: Same.
	* include/tr1/tgmath.h: Same.
	* include/tr1/array: Same.
	* include/tr1/common.h: Same.
	* include/std/std_valarray.h: Same.
	* include/std/std_iostream.h: Same.
	* include/std/std_queue.h: Same.
	* include/std/std_algorithm.h: Same.
	* include/std/std_streambuf.h: Same.
	* include/std/std_iterator.h: Same.
	* include/std/std_ios.h: Same.
	* include/std/std_bitset.h: Same.
	* include/std/std_iosfwd.h: Same.
	* include/std/std_set.h: Same.
	* include/std/std_iomanip.h: Same.
	* include/std/std_fstream.h: Same.
	* include/std/std_functional.h: Same.
	* include/std/std_numeric.h: Same.
	* include/std/std_vector.h: Same.
	* include/std/std_deque.h: Same.
	* include/std/std_stdexcept.h: Same.
	* include/std/std_utility.h: Same.
	* include/std/std_stack.h: Same.
	* include/std/std_string.h: Same.
	* include/std/std_complex.h: Same.
	* include/std/std_memory.h: Same.
	* include/std/std_ostream.h: Same.
	* include/std/std_list.h: Same.
	* include/std/std_map.h: Same.
	* include/std/std_sstream.h: Same.
	* include/c_std/std_csignal.h: Same.
	* include/c_std/std_cstdlib.h: Same.
	* include/c_std/std_cstdio.h: Same.
	* include/c_std/std_cstdarg.h: Same.
	* include/c_std/std_cctype.h: Same.
	* include/c_std/std_cerrno.h: Same.
	* include/c_std/std_cmath.h: Same.
	* include/c_std/std_ctime.h: Same.
	* include/c_std/std_clocale.h: Same.
	* include/c_std/std_climits.h: Same.
	* include/c_std/std_cassert.h: Same.
	* include/c_std/cmath.tcc
	* include/c_std/std_csetjmp.h: Same.
	* include/c_std/std_cwchar.h: Same.
	* include/c_std/std_cfloat.h: Same.
	* include/c_std/std_cstring.h: Same.
	* include/c_std/std_cstddef.h: Same.
	* include/c_std/std_cwctype.h: Same.

	* config/locale/gnu/c_locale.h: Namespace scope in all files.
	* config/locale/gnu/messages_members.h: Same.
	* config/locale/gnu/c++locale_internal.h: Same.
	* config/locale/gnu/time_members.h: Same.
	* config/locale/ieee_1003.1-2001/c_locale.h: Same.
	* config/locale/ieee_1003.1-2001/messages_members.h: Same.
	* config/locale/generic/c_locale.h: Same.
	* config/locale/generic/messages_members.h: Same.
	* config/locale/generic/time_members.h: Same.
	* config/allocator/mt_allocator_base.h: Same.
	* config/allocator/malloc_allocator_base.h: Same.
	* config/allocator/new_allocator_base.h: Same.
	* config/allocator/pool_allocator_base.h: Same.
	* config/allocator/bitmap_allocator_base.h: Same.
	* config/os/windiss/ctype_noninline.h: Same.
	* config/os/windiss/os_defines.h: Same.
	* config/os/windiss/ctype_inline.h: Same.
	* config/os/newlib/ctype_noninline.h: Same.
	* config/os/newlib/os_defines.h: Same.
	* config/os/newlib/ctype_inline.h: Same.
	* config/os/aix/ctype_noninline.h: Same.
	* config/os/aix/os_defines.h: Same.
	* config/os/aix/ctype_inline.h: Same.
	* config/os/vxworks/ctype_noninline.h: Same.
	* config/os/vxworks/os_defines.h: Same.
	* config/os/vxworks/ctype_inline.h: Same.
	* config/os/hpux/ctype_noninline.h: Same.
	* config/os/hpux/os_defines.h: Same.
	* config/os/hpux/ctype_inline.h: Same.
	* config/os/mingw32/ctype_noninline.h: Same.
	* config/os/mingw32/os_defines.h: Same.
	* config/os/mingw32/ctype_inline.h: Same.
	* config/os/gnu-linux/ctype_noninline.h: Same.
	* config/os/gnu-linux/os_defines.h: Same.
	* config/os/gnu-linux/ctype_inline.h: Same.
	* config/os/tpf/ctype_noninline.h: Same.
	* config/os/tpf/os_defines.h: Same.
	* config/os/tpf/ctype_inline.h: Same.
	* config/os/uclibc/ctype_noninline.h: Same.
	* config/os/uclibc/os_defines.h: Same.
	* config/os/uclibc/ctype_inline.h: Same.
	* config/os/djgpp/ctype_noninline.h: Same.
	* config/os/djgpp/os_defines.h: Same.
	* config/os/djgpp/ctype_inline.h: Same.
	* config/os/qnx/qnx6.1/ctype_noninline.h: Same.
	* config/os/qnx/qnx6.1/ctype_inline.h: Same.
	* config/os/bsd/netbsd/ctype_noninline.h: Same.
	* config/os/bsd/netbsd/ctype_inline.h: Same.
	* config/os/bsd/darwin/ctype_noninline.h: Same.
	* config/os/bsd/darwin/ctype_inline.h: Same.
	* config/os/bsd/freebsd/ctype_noninline.h: Same.
	* config/os/bsd/freebsd/ctype_inline.h: Same.
	* config/os/irix/irix5.2/ctype_noninline.h: Same.
	* config/os/irix/irix5.2/ctype_inline.h: Same.
	* config/os/irix/irix6.5/ctype_noninline.h: Same.
	* config/os/irix/irix6.5/ctype_inline.h: Same.
	* config/os/solaris/solaris2.5/ctype_noninline.h: Same.
	* config/os/solaris/solaris2.5/ctype_inline.h: Same.
	* config/os/solaris/solaris2.6/ctype_noninline.h: Same.
	* config/os/solaris/solaris2.6/ctype_inline.h: Same.
	* config/os/solaris/solaris2.7/ctype_noninline.h: Same.
	* config/os/solaris/solaris2.7/ctype_inline.h: Same.
	* config/os/generic/ctype_noninline.h: Same.
	* config/os/generic/os_defines.h: Same.
	* config/os/generic/ctype_inline.h: Same.
	* config/cpu/arm/cxxabi_tweaks.h: Same.
	* config/cpu/powerpc/cpu_defines.h: Same.
	* config/cpu/generic/cxxabi_tweaks.h: Same.
	* config/cpu/generic/cpu_defines.h: Same.
	* config/cpu/generic/atomic_word.h: Same.
	* config/io/c_io_stdio.h: Same.
	* config/abi/compatibility.h: Same.

	* docs/doxygen/user.cfg.in: Adjust file list.

From-SVN: r119561
2006-12-05 23:24:07 +00:00
Benjamin Kosnik
78a5388739 throw_allocator.h: Consistent @file markup.
2006-11-29  Benjamin Kosnik  <bkoz@redhat.com>

	* include/ext/throw_allocator.h: Consistent @file markup.
	* include/ext/type_traits.h: Same.
	* include/debug/hash_map: Same.
	* include/debug/hash_multimap.h: Same.
	* include/debug/set.h: Same.
	* include/debug/hash_set.h: Same.
	* include/debug/formatter.h: Same.
	* include/debug/bitset: Same.
	* include/debug/set: Same.
	* include/debug/multiset.h: Same.
	* include/debug/safe_sequence.h: Same.
	* include/debug/hash_set: Same.
	* include/debug/functions.h: Same.
	* include/debug/safe_base.h: Same.
	* include/debug/hash_multiset.h: Same.
	* include/debug/safe_iterator.tcc: Same.
	* include/debug/vector: Same.
	* include/debug/map.h: Same.
	* include/debug/deque: Same.
	* include/debug/hash_map.h: Same.
	* include/debug/string: Same.
	* include/debug/macros.h: Same.
	* include/debug/list: Same.
	* include/debug/debug.h: Same.
	* include/debug/map: Same. 
	* include/debug/safe_iterator.h: Same.
	* include/debug/multimap.h: Same.
	* config/cpu/generic/atomicity_mutex/atomicity.h: Same.
	* config/cpu/generic/atomicity_builtins/atomicity.h: Same.
	* config/cpu/generic/atomic_word.h: Same.
	* include/tr1/memory: Same.
	* include/tr1/random: Same.	
	* include/std/std_queue.h: Same.
	* include/std/std_iterator.h: Same.
	* include/std/std_bitset.h: Same.
	* include/std/std_set.h: Same.
	* include/std/std_vector.h: Same.
	* include/std/std_deque.h: Same.
	* include/std/std_utility.h: Same.
	* include/std/std_stack.h: Same.
	* include/std/std_string.h: Same.
	* include/std/std_list.h: Same.
	* include/std/std_map.h: Same.
	* libsupc++/typeinfo: Same.
	* libsupc++/exception: Same.
	* libsupc++/exception_defines.h: Same.
	* libsupc++/new: Same.
	
	* include/ext/bitmap_allocator.h: Change namespace __balloc to
	__detail.
	* src/bitmap_allocator.cc: Same.
	
	* include/bits/cpp_type_traits.h: Change __true_type and
	__false_type from global to namespace std scope.
	* include/ext/slist: Same.
	* include/ext/vstring.h: Same.
	* include/ext/vstring.tcc: Same.
	* include/ext/rc_string_base.h: Same.
	* include/ext/sso_string_base.h: Same.

	* include/bits/codecvt.h: Adjust markup so that correct namespace
	scope information is in all files.
	* include/bits/locale_facets.h: Same. Include ctype_base directly.
	* config/os/windiss/ctype_base.h: Add in namespace markup.
	* config/os/newlib/ctype_base.h: Same.
	* config/os/aix/ctype_base.h: Same.
	* config/os/vxworks/ctype_base.h: Same.
	* config/os/hpux/ctype_base.h: Same.
	* config/os/mingw32/ctype_base.h: Same.
	* config/os/gnu-linux/ctype_base.h: Same.
	* config/os/tpf/ctype_base.h: Same.
	* config/os/uclibc/ctype_base.h: Same.
	* config/os/djgpp/ctype_base.h: Same.
	* config/os/qnx/qnx6.1/ctype_base.h: Same.
	* config/os/bsd/netbsd/ctype_base.h: Same.
	* config/os/bsd/darwin/ctype_base.h: Same.
	* config/os/bsd/freebsd/ctype_base.h: Same.
	* config/os/irix/irix5.2/ctype_base.h: Same.
	* config/os/irix/irix6.5/ctype_base.h: Same.
	* config/os/solaris/solaris2.5/ctype_base.h: Same.
	* config/os/solaris/solaris2.6/ctype_base.h: Same.
	* config/os/solaris/solaris2.7/ctype_base.h: Same.
	* config/os/generic/ctype_base.h: Same.
	* include/tr1/mu_iterate.h: Same.
	* include/tr1/tuple: Same.
	* include/tr1/tuple_iterate.h: Same.
	* include/tr1/tuple_defs.h: Same.
	* include/tr1/random.tcc: Same.
	* include/tr1/functional: Same.
	* include/tr1/functional_iterate.h: Same.
	
	* testsuite/ext/type_traits/remove_unsigned_integer_neg.cc: Line
	number changes.	
	* testsuite/ext/type_traits/add_unsigned_floating_neg.cc: Same.
	* testsuite/ext/type_traits/remove_unsigned_floating_neg.cc: Same.
	* testsuite/ext/type_traits/add_unsigned_integer_neg.cc: Same.

	* docs/doxygen/user.cfg.in: Update to doxygen 1.5.1.
	* docs/html/17_intro/license.html: Updated info for generated docs.
	* docs/doxygen/guide.html: Adjust.
	* docs/doxygen/run_doxygen: Adjust.
	* docs/doxygen/mainpage.html: Same.
	* docs/doxygen/doxygroups.cc: Same.
	* docs/doxygen/Intro.3: Same.
	* docs/doxygen/tables.html: Same.

From-SVN: r119334
2006-11-29 20:59:22 +00:00
Joseph Myers
8609875306 rs6000.h (TARGET_NO_LWSYNC): Define.
gcc:
	* config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	__NO_LWSYNC__ if TARGET_NO_LWSYNC.
	* config/rs6000/sync.md (lwsync): Emit plain sync if
	TARGET_NO_LWSYNC.

libstdc++-v3:
	* config/cpu/powerpc/atomic_word.h (_GLIBCXX_WRITE_MEM_BARRIER):
	Use plain sync if __NO_LWSYNC__.

From-SVN: r118961
2006-11-18 00:22:45 +00:00