From nobody Sun Dec 14 21:54:43 2025 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1752222620111771.9393220385177; Fri, 11 Jul 2025 01:30:20 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ua98c-0000Yj-Ie; Fri, 11 Jul 2025 04:29:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ua8ze-0000PY-EY; Fri, 11 Jul 2025 04:20:32 -0400 Received: from isrv.corpit.ru ([212.248.84.144]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ua8zb-0004cw-Jq; Fri, 11 Jul 2025 04:20:30 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 261A81356E8; Fri, 11 Jul 2025 11:17:20 +0300 (MSK) Received: from think4mjt.tls.msk.ru (mjtthink.wg.tls.msk.ru [192.168.177.146]) by tsrv.corpit.ru (Postfix) with ESMTP id 14F4923FA5D; Fri, 11 Jul 2025 11:17:47 +0300 (MSK) From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Richard Henderson , Michael Tokarev Subject: [Stable-10.0.3 29/39] tcg: Fix constant propagation in tcg_reg_alloc_dup Date: Fri, 11 Jul 2025 11:16:25 +0300 Message-ID: <20250711081745.1785806-29-mjt@tls.msk.ru> X-Mailer: git-send-email 2.47.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=212.248.84.144; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1752222622252116600 Content-Type: text/plain; charset="utf-8" From: Richard Henderson The scalar constant must be replicated for dup. Cc: qemu-stable@nongnu.org Fixes: bab1671f0fa ("tcg: Manually expand INDEX_op_dup_vec") Resolves: https://gitlab.com/qemu-project/qemu/-/issues/3002 Signed-off-by: Richard Henderson (cherry picked from commit 0d0fc3f4658937fb81fcc16a89738e83bd8d4795) Signed-off-by: Michael Tokarev diff --git a/tcg/tcg.c b/tcg/tcg.c index dfd48b8264..b1a7465df2 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -4927,7 +4927,7 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TC= GOp *op) =20 if (its->val_type =3D=3D TEMP_VAL_CONST) { /* Propagate constant via movi -> dupi. */ - tcg_target_ulong val =3D its->val; + tcg_target_ulong val =3D dup_const(vece, its->val); if (IS_DEAD_ARG(1)) { temp_dead(s, its); } --=20 2.47.2