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From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: "Emilio G. Cota" <cota@braap.org>
Subject: [Qemu-devel] [PATCH v4 01/35] atomics: add atomic_xor
Date: Fri, 16 Sep 2016 10:46:23 -0700	[thread overview]
Message-ID: <1474048017-26696-2-git-send-email-rth@twiddle.net> (raw)
In-Reply-To: <1474048017-26696-1-git-send-email-rth@twiddle.net>

From: "Emilio G. Cota" <cota@braap.org>

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>
---
 include/qemu/atomic.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h
index 0cce246..0124289 100644
--- a/include/qemu/atomic.h
+++ b/include/qemu/atomic.h
@@ -193,6 +193,7 @@
 #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))
@@ -201,6 +202,7 @@
 #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 */
 
@@ -387,6 +389,7 @@
 #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.  */
@@ -396,6 +399,7 @@
 #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

  reply	other threads:[~2016-09-16 17:48 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-16 17:46 [Qemu-devel] [PATCH v4 00/35] cmpxchg-based emulation of atomics Richard Henderson
2016-09-16 17:46 ` Richard Henderson [this message]
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 02/35] atomics: add atomic_op_fetch variants Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 03/35] exec: Avoid direct references to Int128 parts Richard Henderson
2016-10-04  8:44   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 04/35] int128: Use __int128 if available Richard Henderson
2016-10-04  8:45   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 05/35] int128: Add int128_make128 Richard Henderson
2016-10-04  8:46   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 07/35] HACK: Always enable parallel_cpus Richard Henderson
2016-10-04 13:29   ` Alex Bennée
2016-10-05 18:17     ` Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 08/35] cputlb: Replace SHIFT with DATA_SIZE Richard Henderson
2016-10-04  8:47   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 09/35] cputlb: Move probe_write out of softmmu_template.h Richard Henderson
2016-10-04  8:47   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 10/35] cputlb: Remove includes from softmmu_template.h Richard Henderson
2016-10-04  8:49   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 11/35] cputlb: Move most of iotlb code out of line Richard Henderson
2016-10-04 11:00   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 12/35] cputlb: Tidy some macros Richard Henderson
2016-10-04 11:07   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 13/35] tcg: Add atomic helpers Richard Henderson
2016-10-03 19:42   ` Alex Bennée
2016-10-05  0:02     ` Emilio G. Cota
2016-10-05 11:17       ` Alex Bennée
2016-10-05 18:08         ` Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 14/35] tcg: Add atomic128 helpers Richard Henderson
2016-10-05 11:44   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 15/35] tcg: Add CONFIG_ATOMIC64 Richard Henderson
2016-10-04 15:47   ` Alex Bennée
2016-10-04 15:58     ` Peter Maydell
2016-10-05 17:49     ` Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 16/35] tcg: Emit barriers with parallel_cpus Richard Henderson
2016-10-05 11:44   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 17/35] target-i386: emulate LOCK'ed cmpxchg using cmpxchg helpers Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 18/35] target-i386: emulate LOCK'ed OP instructions using atomic helpers Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 19/35] target-i386: emulate LOCK'ed INC using atomic helper Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 20/35] target-i386: emulate LOCK'ed NOT " Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 21/35] target-i386: emulate LOCK'ed NEG using cmpxchg helper Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 22/35] target-i386: emulate LOCK'ed XADD using atomic helper Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 23/35] target-i386: emulate LOCK'ed BTX ops using atomic helpers Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 24/35] target-i386: emulate XCHG using atomic helper Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 25/35] target-i386: remove helper_lock() Richard Henderson
2016-10-05 11:46   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 26/35] tests: add atomic_add-bench Richard Henderson
2016-09-16 23:54   ` Emilio G. Cota
2016-09-16 23:57     ` [Qemu-devel] [PATCH] " Emilio G. Cota
2016-09-17  1:01     ` [Qemu-devel] [PATCH v4 26/35] " Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 27/35] target-arm: Rearrange aa32 load and store functions Richard Henderson
2016-10-05 13:37   ` Alex Bennée
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 28/35] target-arm: emulate LL/SC using cmpxchg helpers Richard Henderson
2016-10-05 13:40   ` Alex Bennée
2016-10-05 17:41     ` Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 29/35] target-arm: emulate SWP with atomic_xchg helper Richard Henderson
2016-10-05 13:35   ` Alex Bennée
2016-10-05 17:44     ` Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 30/35] target-arm: emulate aarch64's LL/SC using cmpxchg helpers Richard Henderson
2016-09-17  0:16   ` Emilio G. Cota
2016-09-17  0:40     ` Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 31/35] linux-user: remove handling of ARM's EXCP_STREX Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 32/35] linux-user: remove handling of aarch64's EXCP_STREX Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 33/35] target-arm: remove EXCP_STREX + cpu_exclusive_{test, info} Richard Henderson
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 34/35] target-alpha: Introduce MMU_PHYS_IDX Richard Henderson
2016-10-05  0:11   ` Emilio G. Cota
2016-09-16 17:46 ` [Qemu-devel] [PATCH v4 35/35] target-alpha: Emulate LL/SC using cmpxchg helpers Richard Henderson
2016-10-05  0:11   ` Emilio G. Cota
2016-10-03 19:19 ` [Qemu-devel] [PATCH v4 00/35] cmpxchg-based emulation of atomics Alex Bennée
2016-10-05 13:43 ` Alex Bennée

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