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[v2,01/27] atomics: add atomic_xor

Message ID 1467392693-22715-2-git-send-email-rth@twiddle.net (mailing list archive)
State New, archived
Headers show

Commit Message

Richard Henderson July 1, 2016, 5:04 p.m. UTC
From: "Emilio G. Cota" <cota@braap.org>

This paves the way for upcoming work.

Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <1467054136-10430-8-git-send-email-cota@braap.org>
---
 include/qemu/atomic.h | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Alex Bennée Aug. 11, 2016, 5:19 p.m. UTC | #1
Richard Henderson <rth@twiddle.net> writes:

> From: "Emilio G. Cota" <cota@braap.org>
>
> This paves the way for upcoming work.
>
> Signed-off-by: Emilio G. Cota <cota@braap.org>
> Message-Id: <1467054136-10430-8-git-send-email-cota@braap.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  include/qemu/atomic.h | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h
> index 7a59096..a5531da 100644
> --- a/include/qemu/atomic.h
> +++ b/include/qemu/atomic.h
> @@ -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 */


--
Alex Bennée
diff mbox

Patch

diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h
index 7a59096..a5531da 100644
--- a/include/qemu/atomic.h
+++ b/include/qemu/atomic.h
@@ -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 */