From nobody Sat May 4 16:21:22 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=bupt.edu.cn Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1634782601047519.7028370645729; Wed, 20 Oct 2021 19:16:41 -0700 (PDT) Received: from localhost ([::1]:40112 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mdNdI-00025g-2c for importer@patchew.org; Wed, 20 Oct 2021 22:16:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52566) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mdNan-0008T6-6q for qemu-devel@nongnu.org; Wed, 20 Oct 2021 22:14:05 -0400 Received: from smtpbg702.qq.com ([203.205.195.102]:57527 helo=smtpproxy21.qq.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mdNaj-0005Mg-BT for qemu-devel@nongnu.org; Wed, 20 Oct 2021 22:14:03 -0400 Received: from Wei.localdomain (unknown [223.72.75.51]) by esmtp6.qq.com (ESMTP) with id ; Thu, 21 Oct 2021 10:13:18 +0800 (CST) X-QQ-mid: bizesmtp48t1634782421tk6gv5jz X-QQ-SSF: 01400000002000B0Z000B00Z0000000 X-QQ-FEAT: F3yR32iATbgOjg0qmhZ3EjUZlBeMgf9FcXzIEYQhx7Yi7fKwApBIJ/hw+luNq V/bz5A7N0GQ/LpKxkMuI02F4dpSdhOpUUOSi/66wgrleREgIVjB5P3tZ65zpDp/7OdbNuDQ taporZr9UAUxA9lhbra2LYUDsGgwiDZFwYPIfzPwqYQ/hxeINuFYOGUbcT5JTSjmnY9SLXB Ty8Ca/sSEYZP/0+cZk64h/f524t4AxcfWRoE9ecp+ibBPdnoYZLGC2xQYmpItOyV0OkcQZ+ 2/TPVx8KnK9i4HsbPQ9/B8Lr0kZw22b0oSheFHbBjTBiM5GQqRUwVAzZSaxedhpw1NoWxVt rWPWMXRfPRxMecxQ1WdL61dRBo1VSU2g0kl/+IJ X-QQ-GoodBg: 2 From: Liren Wei To: qemu-devel@nongnu.org Subject: [PATCH] Fix constant folding logic of setcond2_i32 Date: Thu, 21 Oct 2021 10:13:14 +0800 Message-Id: <20211021021314.16746-1-lrwei@bupt.edu.cn> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:bupt.edu.cn:qybgforeign:qybgforeign1 X-QQ-Bgrelay: 1 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=203.205.195.102; envelope-from=lrwei@bupt.edu.cn; helo=smtpproxy21.qq.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_XBL=0.375, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: richard.henderson@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1634782604108100001 Content-Type: text/plain; charset="utf-8" For setcond2_i32 DST, A_low, A_high, B_low, B_high, TCG_COND_EQ, DST should be 0 as long as either half of A and B are not equal. Signed-off-by: Liren Wei --- tcg/optimize.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index c239c3bd07..45a10e5e72 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1492,7 +1492,7 @@ void tcg_optimize(TCGContext *s) op->args[2], op->args[4], TCG_COND_EQ); if (tmp =3D=3D 0) { - goto do_setcond_high; + goto do_setcond_const; } else if (tmp !=3D 1) { goto do_default; } --=20 2.33.0