From nobody Sat Nov 23 21:45:16 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1731147367863600.166408329172; Sat, 9 Nov 2024 02:16:07 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t9iUj-00042m-9P; Sat, 09 Nov 2024 05:15:05 -0500 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 1t9iUW-0003qC-GD; Sat, 09 Nov 2024 05:14:53 -0500 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t9iUU-0007WN-TB; Sat, 09 Nov 2024 05:14:52 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 49B98A13E7; Sat, 9 Nov 2024 13:13:49 +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 E3037167ED3; Sat, 9 Nov 2024 13:14:43 +0300 (MSK) From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, TANG Tiancheng , Liu Zhiwei , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Michael Tokarev Subject: [Stable-8.2.8 03/49] tcg: Fix iteration step in 32-bit gvec operation Date: Sat, 9 Nov 2024 13:13:54 +0300 Message-Id: <20241109101443.312701-3-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.5 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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: 1731147369994116600 From: TANG Tiancheng The loop in the 32-bit case of the vector compare operation was incorrectly incrementing by 8 bytes per iteration instead of 4 bytes. This caused the function to process only half of the intended elements. Cc: qemu-stable@nongnu.org Fixes: 9622c697d1 (tcg: Add gvec compare with immediate and scalar operand) Signed-off-by: TANG Tiancheng Reviewed-by: Liu Zhiwei Reviewed-by: Richard Henderson Message-ID: <20240904142739.854-2-zhiwei_liu@linux.alibaba.com> Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 (cherry picked from commit 9d8d5a5b9078a16b4c0862fe54248c5cc8435648) Signed-off-by: Michael Tokarev diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c index bb88943f79..566fd6eef7 100644 --- a/tcg/tcg-op-gvec.c +++ b/tcg/tcg-op-gvec.c @@ -3925,7 +3925,7 @@ void tcg_gen_gvec_cmps(TCGCond cond, unsigned vece, u= int32_t dofs, uint32_t i; =20 tcg_gen_extrl_i64_i32(t1, c); - for (i =3D 0; i < oprsz; i +=3D 8) { + for (i =3D 0; i < oprsz; i +=3D 4) { tcg_gen_ld_i32(t0, tcg_env, aofs + i); tcg_gen_negsetcond_i32(cond, t0, t0, t1); tcg_gen_st_i32(t0, tcg_env, dofs + i); --=20 2.39.5