From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53478) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bJ1sD-0002BR-Mt for qemu-devel@nongnu.org; Fri, 01 Jul 2016 13:05:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bJ1sA-0005Jh-Gf for qemu-devel@nongnu.org; Fri, 01 Jul 2016 13:05:00 -0400 Received: from mail-pf0-x244.google.com ([2607:f8b0:400e:c00::244]:35134) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bJ1sA-0005Jb-6c for qemu-devel@nongnu.org; Fri, 01 Jul 2016 13:04:58 -0400 Received: by mail-pf0-x244.google.com with SMTP id t190so10455747pfb.2 for ; Fri, 01 Jul 2016 10:04:58 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Fri, 1 Jul 2016 10:04:28 -0700 Message-Id: <1467392693-22715-3-git-send-email-rth@twiddle.net> In-Reply-To: <1467392693-22715-1-git-send-email-rth@twiddle.net> References: <1467392693-22715-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH v2 02/27] atomics: add atomic_op_fetch variants List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: cota@braap.org, alex.bennee@linaro.org, pbonzini@redhat.com, peter.maydell@linaro.org, serge.fdrv@gmail.com From: "Emilio G. Cota" This paves the way for upcoming work. Signed-off-by: Emilio G. Cota Message-Id: <1467054136-10430-9-git-send-email-cota@braap.org> --- include/qemu/atomic.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h index a5531da..d75bfde 100644 --- a/include/qemu/atomic.h +++ b/include/qemu/atomic.h @@ -163,6 +163,14 @@ #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)) @@ -358,6 +366,15 @@ #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_inc_fetch(ptr) __sync_add_and_fetch(ptr, 1) +#define atomic_dec_fetch(ptr) __sync_add_and_fetch(ptr, -1) +#define atomic_add_fetch __sync_add_and_fetch +#define atomic_sub_fetch __sync_sub_and_fetch +#define atomic_and_fetch __sync_and_and_fetch +#define atomic_or_fetch __sync_or_and_fetch +#define atomic_xor_fetch __sync_xor_and_fetch + #define atomic_cmpxchg __sync_val_compare_and_swap /* And even shorter names that return void. */ -- 2.5.5