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Diffstat (limited to 'sysdeps/x86_64/bits')
-rw-r--r--sysdeps/x86_64/bits/atomic.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h
index ece260d4d9..f31bedb0b3 100644
--- a/sysdeps/x86_64/bits/atomic.h
+++ b/sysdeps/x86_64/bits/atomic.h
@@ -86,7 +86,7 @@ typedef uintmax_t uatomic_max_t;
/* Note that we need no lock prefix. */
-#define atomic_exchange(mem, newvalue) \
+#define atomic_exchange_acq(mem, newvalue) \
({ __typeof (*mem) result; \
if (sizeof (*mem) == 1) \
__asm __volatile ("xchgb %b0, %1" \