diff options
Diffstat (limited to 'libstdc++-v3/config')
| -rw-r--r-- | libstdc++-v3/config/cpu/powerpc/atomic_word.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libstdc++-v3/config/cpu/powerpc/atomic_word.h b/libstdc++-v3/config/cpu/powerpc/atomic_word.h index e044ccdddd7..1ceb02cf702 100644 --- a/libstdc++-v3/config/cpu/powerpc/atomic_word.h +++ b/libstdc++-v3/config/cpu/powerpc/atomic_word.h @@ -27,10 +27,11 @@ typedef int _Atomic_word; -#define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("isync":::"memory") #ifdef __NO_LWSYNC__ +#define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("sync":::"memory") #define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("sync":::"memory") #else +#define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("lwsync":::"memory") #define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("lwsync":::"memory") #endif |