2008-12-11 Benjamin Kosnik <bkoz@redhat.com>

	    Richard Henderson  <rth@redhat.com>

	* include/c_global/cstdatomic: Update to N2798.
	(atomic): Remove explicit constructors as per DR 845.
	* include/bits/atomic_0.h: New. Switchable implementation.
	* include/bits/atomic_2.h: New. Lock-free implementation.
	* include/c_compatibility/stdatomic.h: Use foward headers.
	* include/bits/atomicfwd_cxx.h: New.
	* include/bits/atomicfwd_c.h: New.
	* src/atomic.cc: Adjust.
	* acinclude.m4 (GLIBCXX_CHECK_STANDARD_LAYOUT): Remove,
	unconditionally use default/deleted syntax.
	(GLIBCXX_ENABLE_ATOMIC_BUILTINS): Check for 2, 8.
	* include/Makefile.am (bits_headers): Add atomicfwd_c.h,
	atomicfwd_cxx.h, atomic_0.h, atomic_2.h.
	* include/Makefile.in: Regenerate.
	* configure: Regenerate.
	* config.h.in: Regenerate.
	* config/abi/pre/gnu.ver: Adjust exports.

	* testsuite/27_io/ios_base/types/fmtflags/bitmask_operators.cc: Adjust.
	* testsuite/27_io/ios_base/types/openmode/bitmask_operators.cc: Same.
	* testsuite/27_io/ios_base/types/iostate/bitmask_operators.cc: Same.
	* testsuite/29_atomics/atomic_address/cons/assign_neg.cc: Same.
	* testsuite/29_atomics/atomic_address/cons/explicit_value.cc: Move to..
	* testsuite/29_atomics/atomic_address/cons/single_value.cc: ...this.
	* testsuite/29_atomics/atomic_address/cons/copy_neg.cc
	* testsuite/29_atomics/atomic_integral/cons/single_value.cc: New.
	* testsuite/29_atomics/atomic_integral/cons/assign_neg.cc: New.
	* testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: New.
	* testsuite/29_atomics/atomic_integral/cons/default.cc: New.
	* testsuite/29_atomics/atomic_integral/cons/direct_list.cc: New.
	* testsuite/29_atomics/atomic_integral/cons/copy_list.cc: New.
	* testsuite/29_atomics/atomic_integral/requirements/
	standard_layout.cc: New.
	* testsuite/29_atomics/atomic_integral/operators/
	integral_assignment.cc: New.
	* testsuite/29_atomics/atomic_integral/operators/increment_neg.cc: New.
	* testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc: New.
	* testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc: New.
	* testsuite/29_atomics/atomic_integral/operators/increment.cc: New.
	* testsuite/29_atomics/atomic_integral/operators/decrement.cc: New.
	* testsuite/29_atomics/atomic_integral/operators/bitwise.cc: New.
	* testsuite/29_atomics/atomic_integral/operators/
	integral_conversion.cc: New.
	* testsuite/29_atomics/atomic_flag/cons/assign_neg.cc: Adjust.
	* testsuite/29_atomics/atomic_flag/cons/copy_neg.cc: Same.
	* testsuite/29_atomics/atomic_flag/requirements/
	standard_layout.cc: Same.
	* testsuite/29_atomics/atomic_flag/
	atomic_global_fence_compatibility.cc: Kill.
	* testsuite/29_atomics/headers/cstdatomic/types_std_c++0x.cc: Adjust.
	* testsuite/29_atomics/headers/cstdatomic/functions_std_c++0x.cc: Same.
	* testsuite/29_atomics/headers/cstdatomic/macros.cc: Same.
	* testsuite/29_atomics/headers/stdatomic.h/macros.c: Same.
	* testsuite/29_atomics/headers/stdatomic.h/types.c: Same.
	* testsuite/29_atomics/atomic/cons/assign_neg.cc: Same.
	* testsuite/29_atomics/atomic/cons/explicit_value.cc: Move to...
	* testsuite/29_atomics/atomic/cons/single_value.cc: ...this.
	* testsuite/29_atomics/atomic/cons/copy_neg.cc
	* testsuite/29_atomics/atomic/cons/direct_list.cc: New.
	* testsuite/29_atomics/atomic/cons/copy_list.cc: New.
	* testsuite/29_atomics/atomic/requirements/standard_layout.cc: New.
	* testsuite/29_atomics/atomic/requirements/base_classes.cc: New.
	* testsuite/29_atomics/atomic/operators/integral_assignment.cc: New.
	* testsuite/29_atomics/atomic/operators/integral_conversion.cc: New.
	* testsuite/util/testsuite_hooks.h (bitmask_operators): Move...
	* testsuite/util/testsuite_common_types.h: ...here.
	(atomic_integrals_no_bool): New.
	(atomic_integrals): New.
	(has_increment_operators, has_decrement_operators)
	(direct_list_initializable, single_value_constructible)
	(standard_layout, has_bitwise_operators, integral_convertable)
	(integral_assignable): Add.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142714 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 8 insertions, 3 deletions

diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in
index 0cf3518b639..55edd8c20b4 100644
--- a/libstdc++-v3/config.h.in
+++ b/libstdc++-v3/config.h.in
@@ -692,9 +692,17 @@
 /* Define if builtin atomic operations for bool are supported on this host. */
 #undef _GLIBCXX_ATOMIC_BUILTINS_1
 
+/* Define if builtin atomic operations for short are supported on this host.
+   */
+#undef _GLIBCXX_ATOMIC_BUILTINS_2
+
 /* Define if builtin atomic operations for int are supported on this host. */
 #undef _GLIBCXX_ATOMIC_BUILTINS_4
 
+/* Define if builtin atomic operations for long long are supported on this
+   host. */
+#undef _GLIBCXX_ATOMIC_BUILTINS_8
+
 /* Define to use concept checking code from the boost libraries. */
 #undef _GLIBCXX_CONCEPT_CHECKS
 
@@ -804,9 +812,6 @@
    of TR1 (Chapter 5.1). */
 #undef _GLIBCXX_USE_RANDOM_TR1
 
-/* Define if standard layout types are supported in C++200x. */
-#undef _GLIBCXX_USE_STANDARD_LAYOUT
-
 /* Define if code specialized for wchar_t should be used. */
 #undef _GLIBCXX_USE_WCHAR_T