From patchwork Tue Mar 26 19:01:40 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 231515 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 43E5E2C0092 for ; Wed, 27 Mar 2013 06:02:39 +1100 (EST) Received: from localhost ([::1]:50436 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UKZ8m-0004uF-JQ for incoming@patchwork.ozlabs.org; Tue, 26 Mar 2013 15:02:36 -0400 Received: from eggs.gnu.org ([208.118.235.92]:38890) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UKZ8C-0004ti-Pd for qemu-devel@nongnu.org; Tue, 26 Mar 2013 15:02:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UKZ8A-0005rd-Hy for qemu-devel@nongnu.org; Tue, 26 Mar 2013 15:02:00 -0400 Received: from hall.aurel32.net ([2001:470:1f15:c4f::1]:49211) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UKZ8A-0005o9-A7 for qemu-devel@nongnu.org; Tue, 26 Mar 2013 15:01:58 -0400 Received: from [2001:470:d4ed:0:ea11:32ff:fea1:831a] (helo=ohm.aurel32.net) by hall.aurel32.net with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1UKZ7z-0007yz-MY; Tue, 26 Mar 2013 20:01:48 +0100 Received: from aurel32 by ohm.aurel32.net with local (Exim 4.80) (envelope-from ) id 1UKZ7y-0002SP-0b; Tue, 26 Mar 2013 20:01:46 +0100 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Tue, 26 Mar 2013 20:01:40 +0100 Message-Id: <1364324502-9124-9-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1364324502-9124-1-git-send-email-aurelien@aurel32.net> References: <1364324502-9124-1-git-send-email-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:470:1f15:c4f::1 Cc: Aurelien Jarno Subject: [Qemu-devel] [PATCH 08/10] target-i386: SSE4.2: fix pcmpXstrX instructions with "Masked(-)" polarity X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org valids can equals to -1 if the reg/mem string is empty. Change the expression to have an empty xor mask in that case. Signed-off-by: Aurelien Jarno Reviewed-by: Richard Henderson --- target-i386/ops_sse.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h index 77ab410..a0bac07 100644 --- a/target-i386/ops_sse.h +++ b/target-i386/ops_sse.h @@ -2050,7 +2050,7 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s, res ^= (2 << upper) - 1; break; case 3: - res ^= (2 << valids) - 1; + res ^= (1 << (valids + 1)) - 1; break; }