From patchwork Thu Sep 6 15:00:52 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 182215 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 D88CC2C00A5 for ; Fri, 7 Sep 2012 01:02:19 +1000 (EST) Received: from localhost ([::1]:41987 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T9daz-0006XA-SW for incoming@patchwork.ozlabs.org; Thu, 06 Sep 2012 11:02:17 -0400 Received: from eggs.gnu.org ([208.118.235.92]:52514) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T9da8-0005FV-NX for qemu-devel@nongnu.org; Thu, 06 Sep 2012 11:01:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1T9dZx-0007Qr-NV for qemu-devel@nongnu.org; Thu, 06 Sep 2012 11:01:24 -0400 Received: from hall.aurel32.net ([88.191.126.93]:44020) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T9dZx-0007PU-GV for qemu-devel@nongnu.org; Thu, 06 Sep 2012 11:01:13 -0400 Received: from 191.red-80-33-14.staticip.rima-tde.net ([80.33.14.191] 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 1T9dZw-0006sF-AZ; Thu, 06 Sep 2012 17:01:12 +0200 Received: from aurel32 by ohm.aurel32.net with local (Exim 4.80) (envelope-from ) id 1T9dZo-00059D-6q; Thu, 06 Sep 2012 17:01:04 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Thu, 6 Sep 2012 17:00:52 +0200 Message-Id: <1346943657-17256-4-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1346943657-17256-1-git-send-email-aurelien@aurel32.net> References: <1346943657-17256-1-git-send-email-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 88.191.126.93 Cc: Aurelien Jarno Subject: [Qemu-devel] [PATCH 3/8] tcg/optimize: simplify or/xor r, a, 0 cases 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 or/xor r, a, 0 is equivalent to a mov r, a. Signed-off-by: Aurelien Jarno --- tcg/optimize.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tcg/optimize.c b/tcg/optimize.c index 63f970d..0db849e 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -331,6 +331,8 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr, CASE_OP_32_64(sar): CASE_OP_32_64(rotl): CASE_OP_32_64(rotr): + CASE_OP_32_64(or): + CASE_OP_32_64(xor): if (temps[args[1]].state == TCG_TEMP_CONST) { /* Proceed with possible constant folding. */ break;