From nobody Sun Nov 24 06:57:01 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 1725606388794767.7082711945886; Fri, 6 Sep 2024 00:06:28 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1smSvx-0003JX-K9; Fri, 06 Sep 2024 02:59:05 -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 1smSvh-0001Zd-H1; Fri, 06 Sep 2024 02:58:53 -0400 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 1smSvf-0003iM-Ui; Fri, 06 Sep 2024 02:58:49 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 995388C262; Fri, 6 Sep 2024 09:53:14 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 633B713341A; Fri, 6 Sep 2024 09:54:32 +0300 (MSK) Received: (nullmailer pid 43681 invoked by uid 1000); Fri, 06 Sep 2024 06:54:31 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Richard Henderson , Peter Maydell , Michael Tokarev Subject: [Stable-8.2.7 45/53] target/arm: Clear high SVE elements in handle_vec_simd_wshli Date: Fri, 6 Sep 2024 09:54:15 +0300 Message-Id: <20240906065429.42415-45-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 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=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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 1725606389901116600 Content-Type: text/plain; charset="utf-8" From: Richard Henderson AdvSIMD instructions are supposed to zero bits beyond 128. Affects SSHLL, USHLL, SSHLL2, USHLL2. Cc: qemu-stable@nongnu.org Signed-off-by: Richard Henderson Message-id: 20240717060903.205098-15-richard.henderson@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell (cherry picked from commit 8e0c9a9efa21a16190cbac288e414bbf1d80f639) Signed-off-by: Michael Tokarev diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 2fccd836b7..5beac07b60 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -10141,6 +10141,7 @@ static void handle_vec_simd_wshli(DisasContext *s, = bool is_q, bool is_u, tcg_gen_shli_i64(tcg_rd, tcg_rd, shift); write_vec_element(s, tcg_rd, rd, i, size + 1); } + clear_vec_high(s, true, rd); } =20 /* SHRN/RSHRN - Shift right with narrowing (and potential rounding) */ --=20 2.39.2