diff options
| -rw-r--r-- | cas.h | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -72,8 +72,8 @@ inline int cas(volatile cas_pointer_t* mem, cas_pointer_t old_val, cas_pointer_t #if defined(__i386__) && defined(__GNUC__) - asm volatile("lock; cmpxchg8b (%6);" - "setz %7; " + asm volatile("lock cmpxchg8b (%6);" + "setz %7;" : "=a" ( old_val.lo ), "=d" ( old_val.hi ) : "0" ( old_val.lo ), @@ -88,15 +88,15 @@ inline int cas(volatile cas_pointer_t* mem, cas_pointer_t old_val, cas_pointer_t #elif defined(__x86_64__) && defined(__GNUC__) asm volatile ( - "lock cmpxchg16b %1\n\t" - "setz %0" + "lock cmpxchg16b %1;" + "setz %0;" : "=q" ( success ) , "+m" ( *mem ) , "+d" ( old_val.hi ) , "+a" ( old_val.lo ) : "c" ( new_val.hi ) , "b" ( new_val.lo ) - : "cc" + : "cc", "memory" ); #endif |