From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57449) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXtdW-0005tt-CE for qemu-devel@nongnu.org; Thu, 11 Aug 2016 13:19:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bXtdS-0000hq-4C for qemu-devel@nongnu.org; Thu, 11 Aug 2016 13:19:17 -0400 Received: from mail-wm0-x233.google.com ([2a00:1450:400c:c09::233]:38082) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bXtdR-0000hk-JS for qemu-devel@nongnu.org; Thu, 11 Aug 2016 13:19:14 -0400 Received: by mail-wm0-x233.google.com with SMTP id o80so4613930wme.1 for ; Thu, 11 Aug 2016 10:19:13 -0700 (PDT) References: <1467392693-22715-1-git-send-email-rth@twiddle.net> <1467392693-22715-2-git-send-email-rth@twiddle.net> From: Alex =?utf-8?Q?Benn=C3=A9e?= In-reply-to: <1467392693-22715-2-git-send-email-rth@twiddle.net> Date: Thu, 11 Aug 2016 18:19:20 +0100 Message-ID: <87wpjnb4vb.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH v2 01/27] atomics: add atomic_xor List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: qemu-devel@nongnu.org, cota@braap.org, pbonzini@redhat.com, peter.maydell@linaro.org, serge.fdrv@gmail.com Richard Henderson writes: > From: "Emilio G. Cota" > > This paves the way for upcoming work. > > Signed-off-by: Emilio G. Cota > Message-Id: <1467054136-10430-8-git-send-email-cota@braap.org> Reviewed-by: Alex Bennée > --- > 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