From patchwork Wed Jul 17 06:09:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 13735124 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3DA58C3DA4B for ; Wed, 17 Jul 2024 06:11:38 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sTxru-0008L5-Q7; Wed, 17 Jul 2024 02:10:27 -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 1sTxrN-0005bu-Jr for qemu-devel@nongnu.org; Wed, 17 Jul 2024 02:09:53 -0400 Received: from mail-oo1-xc34.google.com ([2607:f8b0:4864:20::c34]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sTxrJ-00035z-J2 for qemu-devel@nongnu.org; Wed, 17 Jul 2024 02:09:52 -0400 Received: by mail-oo1-xc34.google.com with SMTP id 006d021491bc7-5ce74defe42so352255eaf.0 for ; Tue, 16 Jul 2024 23:09:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1721196586; x=1721801386; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=57DdanWVRLYnAUN5YF1Z/JUbHmS65EczfEpSlC06YmA=; b=wePVVf0ygEbl+zb75+wpb/7Mu5abD1ywmETe5t9ODIr4VkOu6FTDHluTQyE1bFDhqa cbPPrG8iGTGPEv1qP/q/eqOjrlktHsCAQIgH+WQfB4lzLEIrNrbHmBZfjpru1Anq3tVl llN4ccI9Ei5hJyTWU5On6W/LA4nFgYwRbDp/iX4ts5L0jDMnsxACiMTRIq7uV+aMoSuR UbsTufu56BO6/S6eNIrAUZc0LQE11EYfa1BiUTA32hEaHKPTSBUIa0ZTh4/sPl2sEHrq MRAmYOlME1izLMANpAYBDzOh5BSdDK2MdI+6NWGvA0RuvhknXXk4viNcZP0mlryA0xLw FMNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721196586; x=1721801386; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=57DdanWVRLYnAUN5YF1Z/JUbHmS65EczfEpSlC06YmA=; b=ZRYGfXk4raiIr+FDnE2bJ8JhaPipD6iUVdESBgnKffEZUqJtoQJd6j94DIyh2WpHyA G+ZbmMLkWxMwL4jbopt9PT9s0EWr9UMJz+lAT3rjPwln6tKabyYq4TpyHsQ9z3yb6jr/ 9pMr7ICuaMF5CG1cxbxEDSAMtuJHcbcIRQGN/iPJiIW4+H8fXNaJKM3cdNr3ZpR52Csa ZZGNaZjEqoncSewTBarTbKYsRWGxrcNVEaVOXycuj9VydGZQEMQZIBXCaLhYDP97pXgP 9/cwJXcLbvtkOJBGneWyok6kFHidgmEXPF7gtjTkEmL3ChrW6D/ifQiidODRpK+eSh6V AQkQ== X-Gm-Message-State: AOJu0Yx7A4oqYQGeOHUqVte/gEgYcUxR6A0BPEkEzvoLGQBc5InbHA49 31499Ppfi/ovZcTU4Nci67ocBpZUbrQsq6ucKRleNfOE1eD/YbvuMyMcQP4IPemkw2lBFbK8d3n VtiE= X-Google-Smtp-Source: AGHT+IHGO1Pf2nQiQ2rZdrnL2yJ5uvyVx/nwpxmtfjRkvheiJea/oI8PrztwSpvhg6JrF1aYstaucQ== X-Received: by 2002:a05:6871:79a:b0:24f:d873:9f32 with SMTP id 586e51a60fabf-260d9222ad5mr578504fac.26.1721196585830; Tue, 16 Jul 2024 23:09:45 -0700 (PDT) Received: from stoup.. ([203.56.128.103]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70b7ecd603bsm7330404b3a.219.2024.07.16.23.09.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jul 2024 23:09:45 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-stable@nongnu.org Subject: [PATCH 14/17] target/arm: Clear high SVE elements in handle_vec_simd_wshli Date: Wed, 17 Jul 2024 16:09:00 +1000 Message-ID: <20240717060903.205098-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240717060903.205098-1-richard.henderson@linaro.org> References: <20240717060903.205098-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::c34; envelope-from=richard.henderson@linaro.org; helo=mail-oo1-xc34.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org AdvSIMD instructions are supposed to zero bits beyond 128. Affects SSHLL, USHLL, SSHLL2, USHLL2. Cc: qemu-stable@nongnu.org Signed-off-by: Richard Henderson --- target/arm/tcg/translate-a64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index fd90752dee..d0ad6c90bc 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -10471,6 +10471,7 @@ 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); } /* SHRN/RSHRN - Shift right with narrowing (and potential rounding) */