From nobody Sun May 5 01:08:55 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1573981660; cv=none; d=zoho.com; s=zohoarc; b=n9Gsn0ovlFqO+9eZ+nOH611zQ35F1vIvUjEHFmH+QnNHzX77SrYciLWrHK6uh5Hjdv/dKg0SDTPIx/1lwdPqDvtHgxRUyZ+dcJw2QyLCigdtfe6NN9fqZq6LeQ0/2/c4b/gNJDZz8MTLzwG5YQFXymANl+GKlo7oCHTKL+mN2eY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1573981660; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=GBHzU6Z//QizyB6bDO7VHsofmNwhMhG9rJWVnZKGzow=; b=M8zkASLkfqZztAqFJUyYSBhTd9B0zbVvmIK+2/Vuh1+we180PfN8gEfSkoOIxd7Vjw1fAhUbGbc29URiU/q9bgZas2Yflu1IjWZ0rAMAvsZqH/V+oQ7uPM0h2Rm4y1hYpSW10czjYbG/XPTMU9JZ+wX+lggrxblaFTgS0BO3uF8= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=pass; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1573981660305674.3319851851653; Sun, 17 Nov 2019 01:07:40 -0800 (PST) Received: from localhost ([::1]:52808 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iWGWu-0005VH-6N for importer@patchew.org; Sun, 17 Nov 2019 04:07:36 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55768) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iWGW0-0004b7-4i for qemu-devel@nongnu.org; Sun, 17 Nov 2019 04:06:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iWGVz-0004Tk-7B for qemu-devel@nongnu.org; Sun, 17 Nov 2019 04:06:40 -0500 Received: from mail-wr1-x441.google.com ([2a00:1450:4864:20::441]:43977) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iWGVz-0004TI-1J for qemu-devel@nongnu.org; Sun, 17 Nov 2019 04:06:39 -0500 Received: by mail-wr1-x441.google.com with SMTP id n1so15884877wra.10 for ; Sun, 17 Nov 2019 01:06:38 -0800 (PST) Received: from localhost.localdomain (180.red-80-27-55.dynamicip.rima-tde.net. [80.27.55.180]) by smtp.gmail.com with ESMTPSA id 91sm19773679wrm.42.2019.11.17.01.06.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Nov 2019 01:06:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=GBHzU6Z//QizyB6bDO7VHsofmNwhMhG9rJWVnZKGzow=; b=gvrhEGsUSn/iXKEwstQwEO77Uz2vHzCvyubwpzbVdV/gzzTZ75SemEFyAy5zK3Kv3p stbImImvfmCp5dRWiY8N8VRXUxrS6IDD5DevaaIWCnIjqWJjpY2cwPdkR9oTR/DGQP9s P/gU4sa2ChyWcx0c1JsV1KPb+ghyxQQvSEhtT2Fs8E/iyf/jQGDbSQ2mFrPISlSCpsXb /bUXHcx6ZCHGdqaVmr63efi2b/zaetQRax51our9CH8irlm8GIrh5zNrM9lGKoOlu9Ud dwR/2A2Q7Y3QCGya7h28Q5MXVN5pTaYCcXbfKCa1OhPUSjCnA8llVGgK4qCjSlJepe5B IshA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=GBHzU6Z//QizyB6bDO7VHsofmNwhMhG9rJWVnZKGzow=; b=QIsLVa0EQjzbbfPvXhw8QouUGdu45gYvZFo7s9yDWhidmrvXEDkfl1MI0yGdu/40RP /sor8n/UcMZdDchuLqoIIEtgQC/Y5oDlkWoV9Hz0/X12tgo5DEwvd7HPCzyztnuFv03r dCwhNNEtZ0JFeb12DB2TFyCDywynXwKtskml8aj1ax5mb8K7F7bwu8AsUnKjn7u9zKdD xCcTCmON2HrHORBoD9Fgl82oAtC3Va8oaMhMWpxx196JaWBq/3NNDsYBWZ69y3gIqcFP 2d+dmMMoPpxxgb3g4r+t8XeSor5mzZudXmTnZRPUEVmLLpw/EWWNGqzTNwld50qRCfCe cUJQ== X-Gm-Message-State: APjAAAVONy8G8wsEiPKmXekd9EYmpbg7ch7jtUWYZ+T2/286/3gn4E92 f/B6PhNbt7li83u2zOUa4QKonq3Ns/MI3g== X-Google-Smtp-Source: APXvYqzLlz5eHpIysjWaHL2J0rzx/CAgVD60VGTXTmEqDOVmOlD20kCf2Gn/undafpE34+EyKRSllQ== X-Received: by 2002:adf:efcb:: with SMTP id i11mr3476142wrp.229.1573981597751; Sun, 17 Nov 2019 01:06:37 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 1/2] target/arm: Do not reject rt == rt2 for strexd Date: Sun, 17 Nov 2019 10:06:20 +0100 Message-Id: <20191117090621.32425-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191117090621.32425-1-richard.henderson@linaro.org> References: <20191117090621.32425-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::441 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: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" There was too much cut and paste between ldrexd and strexd, as ldrexd does prohibit two output registers the same. Fixes: af288228995 Reported-by: Michael Goffioul Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 2ea9da7637..b285b23858 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -8934,7 +8934,7 @@ static bool op_strex(DisasContext *s, arg_STREX *a, M= emOp mop, bool rel) || (s->thumb && (a->rd =3D=3D 13 || a->rt =3D=3D 13)) || (mop =3D=3D MO_64 && (a->rt2 =3D=3D 15 - || a->rd =3D=3D a->rt2 || a->rt =3D=3D a->rt2 + || a->rd =3D=3D a->rt2 || (s->thumb && a->rt2 =3D=3D 13)))) { unallocated_encoding(s); return true; --=20 2.17.1 From nobody Sun May 5 01:08:55 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1573981724; cv=none; d=zoho.com; s=zohoarc; b=U44PcxZptKK7cahBpl5AO12dTjNeG5Rj1rAZH6+O+JGbSb3X+JLlgNLriQdbRbazd00Vj87lLEO385xHoztDahawPcMxVIlwoH/4R6TeEM+V/t93AFW1/SlFzgU9AIJKrxcxbTifiau4atP8IaLYfWXyuW2Rzhy0pEq8mo+kL/c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1573981724; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=X1Vrnl0U1WStHfXGelt9HfqdmyYRaXH+N+hAEhNxwRQ=; b=Xdinzj91rfTml2hAzqr30SXcepgZnoRy66Xj4K+Hp1tviBF0424MBvxonbMZTbT3emjE3BvEGc7oFWwDKna29H3jQiYJ82cUAhJiqrAROMyTL7sq6WizpyYdpEnuNjXq5hU+7mJZPwuunzOBUveQdThMFh4Ej+G/Ff/uxwGGy3E= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=pass; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1573981724898808.6777909750137; Sun, 17 Nov 2019 01:08:44 -0800 (PST) Received: from localhost ([::1]:52830 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iWGXz-00072T-Qz for importer@patchew.org; Sun, 17 Nov 2019 04:08:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55781) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iWGW1-0004dD-LH for qemu-devel@nongnu.org; Sun, 17 Nov 2019 04:06:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iWGW0-0004Vs-KS for qemu-devel@nongnu.org; Sun, 17 Nov 2019 04:06:41 -0500 Received: from mail-wr1-x444.google.com ([2a00:1450:4864:20::444]:45457) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iWGW0-0004U8-ER for qemu-devel@nongnu.org; Sun, 17 Nov 2019 04:06:40 -0500 Received: by mail-wr1-x444.google.com with SMTP id z10so15893573wrs.12 for ; Sun, 17 Nov 2019 01:06:40 -0800 (PST) Received: from localhost.localdomain (180.red-80-27-55.dynamicip.rima-tde.net. [80.27.55.180]) by smtp.gmail.com with ESMTPSA id 91sm19773679wrm.42.2019.11.17.01.06.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Nov 2019 01:06:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=X1Vrnl0U1WStHfXGelt9HfqdmyYRaXH+N+hAEhNxwRQ=; b=CbaOldtwUMerikJ/WPu12Q1PZINNTUNiunVTnlezW3yZ6mO5mvZ+EMe8BIOL4IUTPL IGJVXSmJIXg8JegYPS6nvQki6e8ptwCcLJMxtBEc3ltczb0/Q3m0baj0hu6Jlmy53anc 6GYMZbTPt4znPyykSVa8f/76PYqelsAKl4boBcr4vywU0jyh395O87Ex1GtUFUaaPfms UDUXG9s/tJil/hrNVvkpv7BK2WFTbZl59xs5+kAQNjPS4XNK5thz3siZUleqCdfD67tB ePR+/jlrULCZeOwxghNGSu4IuMheu+vhb082vD40XpgLiIpC65JhhPhLYbtab5mbXhSX Plpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=X1Vrnl0U1WStHfXGelt9HfqdmyYRaXH+N+hAEhNxwRQ=; b=LBrg8yw5Zba6q8KcwqsT9iAgNKpAr7sGt//vXLfZggCU/UYMeVr4cwCiuLkrsrl20B kBpVBuLfnJ/7AjPf7fLvZiR5yDg9eg6loIbsLmU0rsZ4SaJvH4xwKoDRWAmpR4WnA9aA WXcmr4wzJDUKD8f1OImViNFTU2k88RkA2VcbW+C2cG8IzyVmvmS6w1qLMtneJeWMP3uT hnEVAhABq2ay3wt3eNYKoqhrCe2/94d+NEcAAh5I6y9dV5CO21v7kPpa2QpMQd39Frgl HCwkdR9GqliLUJPIqY+AVl6nWv8XLS7d/FdBQfzIPiuy18F7GPXVP8KCqkxFiwGJqs9w n9Ew== X-Gm-Message-State: APjAAAW5JWzwG9U2M5xDSblH38wqdFeflAuah8ayL6NQqjU2/BKprzKN 7PYZQgfMlTQq966NiWYtc+7Q5SB0PwpGug== X-Google-Smtp-Source: APXvYqxvFEThtzhRuS34CHeVPEHv1waRZQBLOs0C8pUvW+objtS6w9HRgadL3jHUapP33arF1cfV+Q== X-Received: by 2002:adf:d091:: with SMTP id y17mr25498844wrh.182.1573981599222; Sun, 17 Nov 2019 01:06:39 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 2/2] target/arm: Relax r13 restriction for ldrex/strex for v8.0 Date: Sun, 17 Nov 2019 10:06:21 +0100 Message-Id: <20191117090621.32425-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191117090621.32425-1-richard.henderson@linaro.org> References: <20191117090621.32425-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::444 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: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Armv8-A removes UNPREDICTABLE for R13 for these cases. Signed-off-by: Richard Henderson --- target/arm/translate.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index b285b23858..3db8103966 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -8931,11 +8931,11 @@ static bool op_strex(DisasContext *s, arg_STREX *a,= MemOp mop, bool rel) /* We UNDEF for these UNPREDICTABLE cases. */ if (a->rd =3D=3D 15 || a->rn =3D=3D 15 || a->rt =3D=3D 15 || a->rd =3D=3D a->rn || a->rd =3D=3D a->rt - || (s->thumb && (a->rd =3D=3D 13 || a->rt =3D=3D 13)) + || (!ENABLE_ARCH_8 && s->thumb && (a->rd =3D=3D 13 || a->rt =3D=3D= 13)) || (mop =3D=3D MO_64 && (a->rt2 =3D=3D 15 || a->rd =3D=3D a->rt2 - || (s->thumb && a->rt2 =3D=3D 13)))) { + || (!ENABLE_ARCH_8 && s->thumb && a->rt2 =3D=3D 13)))) { unallocated_encoding(s); return true; } @@ -9087,10 +9087,10 @@ static bool op_ldrex(DisasContext *s, arg_LDREX *a,= MemOp mop, bool acq) =20 /* We UNDEF for these UNPREDICTABLE cases. */ if (a->rn =3D=3D 15 || a->rt =3D=3D 15 - || (s->thumb && a->rt =3D=3D 13) + || (!ENABLE_ARCH_8 && s->thumb && a->rt =3D=3D 13) || (mop =3D=3D MO_64 && (a->rt2 =3D=3D 15 || a->rt =3D=3D a->rt2 - || (s->thumb && a->rt2 =3D=3D 13)))) { + || (!ENABLE_ARCH_8 && s->thumb && a->rt2 =3D=3D 13)))) { unallocated_encoding(s); return true; } --=20 2.17.1