@@ -161,6 +161,7 @@
#define atomic_fetch_sub(ptr, n) __atomic_fetch_sub(ptr, n, __ATOMIC_SEQ_CST)
#define atomic_fetch_and(ptr, n) __atomic_fetch_and(ptr, n, __ATOMIC_SEQ_CST)
#define atomic_fetch_or(ptr, n) __atomic_fetch_or(ptr, n, __ATOMIC_SEQ_CST)
+#define atomic_fetch_xor(ptr, n) __atomic_fetch_xor(ptr, n, __ATOMIC_SEQ_CST)
/* And even shorter names that return void. */
#define atomic_inc(ptr) ((void) __atomic_fetch_add(ptr, 1, __ATOMIC_SEQ_CST))
@@ -169,6 +170,7 @@
#define atomic_sub(ptr, n) ((void) __atomic_fetch_sub(ptr, n, __ATOMIC_SEQ_CST))
#define atomic_and(ptr, n) ((void) __atomic_fetch_and(ptr, n, __ATOMIC_SEQ_CST))
#define atomic_or(ptr, n) ((void) __atomic_fetch_or(ptr, n, __ATOMIC_SEQ_CST))
+#define atomic_xor(ptr, n) ((void) __atomic_fetch_xor(ptr, n, __ATOMIC_SEQ_CST))
#else /* __ATOMIC_RELAXED */
@@ -355,6 +357,7 @@
#define atomic_fetch_sub __sync_fetch_and_sub
#define atomic_fetch_and __sync_fetch_and_and
#define atomic_fetch_or __sync_fetch_and_or
+#define atomic_fetch_xor __sync_fetch_and_xor
#define atomic_cmpxchg __sync_val_compare_and_swap
/* And even shorter names that return void. */
@@ -364,6 +367,7 @@
#define atomic_sub(ptr, n) ((void) __sync_fetch_and_sub(ptr, n))
#define atomic_and(ptr, n) ((void) __sync_fetch_and_and(ptr, n))
#define atomic_or(ptr, n) ((void) __sync_fetch_and_or(ptr, n))
+#define atomic_xor(ptr, n) ((void) __sync_fetch_and_xor(ptr, n))
#endif /* __ATOMIC_RELAXED */
#endif /* __QEMU_ATOMIC_H */
This paves the way for upcoming work. Signed-off-by: Emilio G. Cota <cota@braap.org> --- include/qemu/atomic.h | 4 ++++ 1 file changed, 4 insertions(+)