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[Qemu-devel] [PATCH v2 01/27] atomics: add atomic_xor
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 01/27] atomics: add atomic_xor |
Date: |
Fri, 1 Jul 2016 10:04:27 -0700 |
From: "Emilio G. Cota" <address@hidden>
This paves the way for upcoming work.
Signed-off-by: Emilio G. Cota <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 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 */
--
2.5.5
- [Qemu-devel] [PATCH v2 00/27] cmpxchg-based emulation of atomics, Richard Henderson, 2016/07/01
- [Qemu-devel] [PATCH v2 04/27] int128: Use __int128 if available, Richard Henderson, 2016/07/01
- [Qemu-devel] [PATCH v2 03/27] exec: Avoid direct references to Int128 parts, Richard Henderson, 2016/07/01
- [Qemu-devel] [PATCH v2 02/27] atomics: add atomic_op_fetch variants, Richard Henderson, 2016/07/01
- [Qemu-devel] [PATCH v2 08/27] HACK: Always enable parallel_cpus, Richard Henderson, 2016/07/01
- [Qemu-devel] [PATCH v2 01/27] atomics: add atomic_xor,
Richard Henderson <=
- [Qemu-devel] [PATCH v2 11/27] target-i386: emulate LOCK'ed cmpxchg using cmpxchg helpers, Richard Henderson, 2016/07/01
- [Qemu-devel] [PATCH v2 06/27] int128: Use complex numbers if advisable, Richard Henderson, 2016/07/01
- [Qemu-devel] [PATCH v2 10/27] tcg: Add atomic128 helpers, Richard Henderson, 2016/07/01
- [Qemu-devel] [PATCH v2 07/27] tcg: Add EXCP_ATOMIC, Richard Henderson, 2016/07/01