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[Qemu-devel] [PATCH v8 02/37] atomics: add atomic_xor
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v8 02/37] atomics: add atomic_xor |
Date: |
Mon, 24 Oct 2016 10:39:13 -0700 |
From: "Emilio G. Cota" <address@hidden>
This paves the way for upcoming work.
Reviewed-by: Alex Bennée <address@hidden>
Signed-off-by: Emilio G. Cota <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Message-Id: <address@hidden>
---
include/qemu/atomic.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h
index 94be1d0..3b72d93 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 */
--
2.7.4
- [Qemu-devel] [PATCH v8 00/37] cmpxchg atomic operations, Richard Henderson, 2016/10/24
- [Qemu-devel] [PATCH v8 02/37] atomics: add atomic_xor,
Richard Henderson <=
- [Qemu-devel] [PATCH v8 03/37] atomics: add atomic_op_fetch variants, Richard Henderson, 2016/10/24
- [Qemu-devel] [PATCH v8 01/37] atomics: Add parameters to macros, Richard Henderson, 2016/10/24
- [Qemu-devel] [PATCH v8 05/37] exec: Avoid direct references to Int128 parts, Richard Henderson, 2016/10/24
- [Qemu-devel] [PATCH v8 07/37] int128: Add int128_make128, Richard Henderson, 2016/10/24
- [Qemu-devel] [PATCH v8 04/37] atomics: Add __nocheck atomic operations, Richard Henderson, 2016/10/24
- [Qemu-devel] [PATCH v8 06/37] int128: Use __int128 if available, Richard Henderson, 2016/10/24
- [Qemu-devel] [PATCH v8 09/37] linux-user: enable parallel code generation on clone, Richard Henderson, 2016/10/24
- [Qemu-devel] [PATCH v8 11/37] cputlb: Move probe_write out of softmmu_template.h, Richard Henderson, 2016/10/24