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-rw-r--r--osdep/atomic.h19
1 files changed, 0 insertions, 19 deletions
diff --git a/osdep/atomic.h b/osdep/atomic.h
index 9028a504eb..50f4f403da 100644
--- a/osdep/atomic.h
+++ b/osdep/atomic.h
@@ -61,25 +61,6 @@ typedef struct { volatile unsigned long long v; } atomic_ullong;
__atomic_compare_exchange_n(&(a)->v, b, c, 0, __ATOMIC_SEQ_CST, \
__ATOMIC_SEQ_CST)
-#elif HAVE_SYNC_BUILTINS
-
-#define atomic_load(p) \
- __sync_fetch_and_add(&(p)->v, 0)
-#define atomic_store(p, val) \
- (__sync_synchronize(), (p)->v = (val), __sync_synchronize())
-#define atomic_fetch_add(a, b) \
- __sync_fetch_and_add(&(a)->v, b)
-#define atomic_fetch_and(a, b) \
- __sync_fetch_and_and(&(a)->v, b)
-#define atomic_fetch_or(a, b) \
- __sync_fetch_and_or(&(a)->v, b)
-// Assumes __sync_val_compare_and_swap is "strong" (using the C11 meaning).
-#define atomic_compare_exchange_strong(p, old, new) \
- ({ __typeof__((p)->v) val_ = __sync_val_compare_and_swap(&(p)->v, *(old), new); \
- bool ok_ = val_ == *(old); \
- if (!ok_) *(old) = val_; \
- ok_; })
-
#elif defined(__GNUC__)
#include <pthread.h>