diff options
Diffstat (limited to 'lib/libpthread/arch/amd64/include')
| -rw-r--r-- | lib/libpthread/arch/amd64/include/atomic_ops.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/libpthread/arch/amd64/include/atomic_ops.h b/lib/libpthread/arch/amd64/include/atomic_ops.h index 5edb533..980eb8e 100644 --- a/lib/libpthread/arch/amd64/include/atomic_ops.h +++ b/lib/libpthread/arch/amd64/include/atomic_ops.h @@ -33,17 +33,25 @@ * Atomic swap: * Atomic (tmp = *dst, *dst = val), then *res = tmp * - * void atomic_swap_long(long *dst, long val, long *res); + * void atomic_swap64(intptr_t *dst, intptr_t val, intptr_t *res); */ static inline void -atomic_swap_long(long *dst, long val, long *res) +atomic_swap64(intptr_t *dst, intptr_t val, intptr_t *res) { __asm __volatile( "xchgq %2, %1; movq %2, %0" : "=m" (*res) : "m" (*dst), "r" (val) : "memory"); } +static inline void +atomic_swap_int(int *dst, int val, int *res) +{ + __asm __volatile( + "xchgl %2, %1; movl %2, %0" + : "=m" (*res) : "m" (*dst), "r" (val) : "memory"); +} + #define atomic_swap_ptr(d, v, r) \ - atomic_swap_long((long *)(d), (long)(v), (long *)(r)) + atomic_swap64((intptr_t *)(d), (intptr_t)(v), (intptr_t *)(r)) #endif |
