diff options
| author | Emilio G. Cota <cota@braap.org> | 2016-06-27 15:01:53 -0400 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-10-26 08:28:56 -0700 |
| commit | 61696ddbdc74263ddb6869856772cfe355a5d3bd (patch) | |
| tree | 7955d4f1c9b34fc7513d6cf0d950b193bb6b4767 | |
| parent | d1a9f2d12fcfc942924956fbe321aedf4226ccb7 (diff) | |
atomics: add atomic_xor
This paves the way for upcoming work.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1467054136-10430-8-git-send-email-cota@braap.org>
| -rw-r--r-- | include/qemu/atomic.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h index 94be1d0196..3b72d935bb 100644 --- a/include/qemu/atomic.h +++ b/include/qemu/atomic.h @@ -173,6 +173,7 @@ #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)) @@ -181,6 +182,7 @@ #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 */ @@ -339,6 +341,7 @@ #define atomic_fetch_sub(ptr, n) __sync_fetch_and_sub(ptr, n) #define atomic_fetch_and(ptr, n) __sync_fetch_and_and(ptr, n) #define atomic_fetch_or(ptr, n) __sync_fetch_and_or(ptr, n) +#define atomic_fetch_xor(ptr, n) __sync_fetch_and_xor(ptr, n) #define atomic_cmpxchg(ptr, old, new) __sync_val_compare_and_swap(ptr, old, new) /* And even shorter names that return void. */ @@ -348,6 +351,7 @@ #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 */ |