diff options
| -rw-r--r-- | clang/lib/Headers/Intrin.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/clang/lib/Headers/Intrin.h b/clang/lib/Headers/Intrin.h index 24b3eae8bf8..67c8a63265f 100644 --- a/clang/lib/Headers/Intrin.h +++ b/clang/lib/Headers/Intrin.h @@ -770,27 +770,25 @@ _InterlockedCompareExchange64(__int64 volatile *_Destination, /*----------------------------------------------------------------------------*\ |* Barriers \*----------------------------------------------------------------------------*/ -#if defined(__i386__) || defined(__x86_64__) static __inline__ void __DEFAULT_FN_ATTRS __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) _ReadWriteBarrier(void) { - __asm__ volatile ("" : : : "memory"); + __atomic_signal_fence(__ATOMIC_SEQ_CST); } static __inline__ void __DEFAULT_FN_ATTRS __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) _ReadBarrier(void) { - __asm__ volatile ("" : : : "memory"); + __atomic_signal_fence(__ATOMIC_SEQ_CST); } static __inline__ void __DEFAULT_FN_ATTRS __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) _WriteBarrier(void) { - __asm__ volatile ("" : : : "memory"); + __atomic_signal_fence(__ATOMIC_SEQ_CST); } -#endif #ifdef __x86_64__ static __inline__ void __DEFAULT_FN_ATTRS __faststorefence(void) { - __asm__ volatile("lock orq $0, (%%rsp)" : : : "memory"); + __atomic_thread_fence(__ATOMIC_SEQ_CST); } #endif /*----------------------------------------------------------------------------*\ |
