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[Qemu-devel] [PULL v2 03/37] atomics: add atomic_op_fetch variants
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PULL v2 03/37] atomics: add atomic_op_fetch variants |
Date: |
Wed, 26 Oct 2016 09:15:29 -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 | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h
index 3b72d93..a26a36b 100644
--- a/include/qemu/atomic.h
+++ b/include/qemu/atomic.h
@@ -175,6 +175,14 @@
#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)
+#define atomic_inc_fetch(ptr) __atomic_add_fetch(ptr, 1, __ATOMIC_SEQ_CST)
+#define atomic_dec_fetch(ptr) __atomic_sub_fetch(ptr, 1, __ATOMIC_SEQ_CST)
+#define atomic_add_fetch(ptr, n) __atomic_add_fetch(ptr, n, __ATOMIC_SEQ_CST)
+#define atomic_sub_fetch(ptr, n) __atomic_sub_fetch(ptr, n, __ATOMIC_SEQ_CST)
+#define atomic_and_fetch(ptr, n) __atomic_and_fetch(ptr, n, __ATOMIC_SEQ_CST)
+#define atomic_or_fetch(ptr, n) __atomic_or_fetch(ptr, n, __ATOMIC_SEQ_CST)
+#define atomic_xor_fetch(ptr, n) __atomic_xor_fetch(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))
#define atomic_dec(ptr) ((void) __atomic_fetch_sub(ptr, 1,
__ATOMIC_SEQ_CST))
@@ -342,6 +350,15 @@
#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_inc_fetch(ptr) __sync_add_and_fetch(ptr, 1)
+#define atomic_dec_fetch(ptr) __sync_add_and_fetch(ptr, -1)
+#define atomic_add_fetch(ptr, n) __sync_add_and_fetch(ptr, n)
+#define atomic_sub_fetch(ptr, n) __sync_sub_and_fetch(ptr, n)
+#define atomic_and_fetch(ptr, n) __sync_and_and_fetch(ptr, n)
+#define atomic_or_fetch(ptr, n) __sync_or_and_fetch(ptr, n)
+#define atomic_xor_fetch(ptr, n) __sync_xor_and_fetch(ptr, n)
+
#define atomic_cmpxchg(ptr, old, new) __sync_val_compare_and_swap(ptr, old,
new)
/* And even shorter names that return void. */
--
2.7.4
- [Qemu-devel] [PULL v2 00/37] cmpxchg atomic operations, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 03/37] atomics: add atomic_op_fetch variants,
Richard Henderson <=
- [Qemu-devel] [PULL v2 02/37] atomics: add atomic_xor, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 01/37] atomics: Add parameters to macros, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 04/37] atomics: Add __nocheck atomic operations, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 09/37] linux-user: enable parallel code generation on clone, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 07/37] int128: Add int128_make128, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 05/37] exec: Avoid direct references to Int128 parts, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 06/37] int128: Use __int128 if available, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 10/37] cputlb: Replace SHIFT with DATA_SIZE, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 14/37] cputlb: Tidy some macros, Richard Henderson, 2016/10/26
- [Qemu-devel] [PULL v2 12/37] cputlb: Remove includes from softmmu_template.h, Richard Henderson, 2016/10/26