Message ID | 20200401094759.5835-8-alex.bennee@linaro.org |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=jQAatAea; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 48shJS4n2wz9sPF for <incoming@patchwork.ozlabs.org>; Wed, 1 Apr 2020 20:50:16 +1100 (AEDT) Received: from localhost ([::1]:57250 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>) id 1jJa0k-0007t1-IB for incoming@patchwork.ozlabs.org; Wed, 01 Apr 2020 05:50:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38473) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <alex.bennee@linaro.org>) id 1jJZyn-0004Of-Ew for qemu-devel@nongnu.org; Wed, 01 Apr 2020 05:48:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <alex.bennee@linaro.org>) id 1jJZym-0002Dj-6e for qemu-devel@nongnu.org; Wed, 01 Apr 2020 05:48:13 -0400 Received: from mail-wr1-x444.google.com ([2a00:1450:4864:20::444]:42120) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from <alex.bennee@linaro.org>) id 1jJZym-0002Ci-0m for qemu-devel@nongnu.org; Wed, 01 Apr 2020 05:48:12 -0400 Received: by mail-wr1-x444.google.com with SMTP id h15so29711519wrx.9 for <qemu-devel@nongnu.org>; Wed, 01 Apr 2020 02:48:11 -0700 (PDT) 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 :mime-version:content-transfer-encoding; bh=g9xr3EL2jz3uIXqebGO8vaQXLJoFQmUrqrOGsA7SE/w=; b=jQAatAearxd3EEiqn5tSEB6+FPS2h3k2Td14CANfqmoJCDJfGpFBHjeY6zadkSv24h yOzZ+c4oPh3X7mEkfCn1TLTvqVi8LMAO+is7A/sV2hSz/E6I7CaU7oRQFgjjil0LdgiZ 2qwNUKn+0T+BxnJzheszEPcQLxXtYFhGbg9b/4h7EGsWqNryhmWWy0egpfn6c0HbPhJg f48+MdNSdYzfyYva/EklGDF/wx/edE196wks/6tT84kBC04HM55J1Zy0IjJSaxJXJ/dZ ocM6JskRmoB2jaw7XsvJkJgmPxtATA7+DDtpOKyykz3fMcNFL/j4Fn0WeZTaj0qjIEZm W8hw== 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:mime-version:content-transfer-encoding; bh=g9xr3EL2jz3uIXqebGO8vaQXLJoFQmUrqrOGsA7SE/w=; b=KxUFRKFvBcdOmdj6c8ZoeUNgWYUmypsDxjsZLScBtIBEFLD3HWU8noKWaFRMRJWyPY OVz3mkbVZWhQgy8uHsA50hE1mzf9FICJpQqfRap+SbcqYrUU8doGu0rjcBay10oGSOOS MElNPXdUWTnQi3B3IVumF4oVmToy9uhMgerXLpXzsw8yx/R9ZI1PHVwAMhrKLDznsJ41 gvb6R1Gr1aRAp/70FfAaSfWqI90IKOa0dDNV1pXTdyYTDh51qedtlb6BuiGtGyVnMIdi lryD6O60xv3i0IGzHyeJXJCqy8HpdfZ3jGCXIiUEOhy2mWupsvZpTLvh1aiT3ZN/cvW5 vZBQ== X-Gm-Message-State: ANhLgQ3XzRBVi+Hna/PMAFecqeV3SFPqA3ihC/tqoymVSEDI7HWCw/Ab MRyBCJy9im16P+2U2Rt7K+pVag== X-Google-Smtp-Source: ADFU+vtwS+KAz6fvg7u2JoBRVhs6QF6eo84RM319suKKZ1QSLFOeFRtdMDaFZbtLM/uu+wHG5FBeIQ== X-Received: by 2002:a5d:61c4:: with SMTP id q4mr26662376wrv.363.1585734491059; Wed, 01 Apr 2020 02:48:11 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id m8sm1906126wmc.28.2020.04.01.02.48.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Apr 2020 02:48:09 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 364971FF93; Wed, 1 Apr 2020 10:48:01 +0100 (BST) From: =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org> To: qemu-devel@nongnu.org Subject: [PATCH v2 07/10] softfloat: Fix BAD_SHIFT from normalizeFloatx80Subnormal Date: Wed, 1 Apr 2020 10:47:56 +0100 Message-Id: <20200401094759.5835-8-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200401094759.5835-1-alex.bennee@linaro.org> References: <20200401094759.5835-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>, Richard Henderson <richard.henderson@linaro.org>, Aurelien Jarno <aurelien@aurel32.net>, Peter Maydell <peter.maydell@linaro.org> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
A selection of sanitiser fixes
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expand
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diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 301ce3b537b..ae6ba718540 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -5856,6 +5856,9 @@ static floatx80 addFloatx80Sigs(floatx80 a, floatx80 b, flag zSign, zSig1 = 0; zSig0 = aSig + bSig; if ( aExp == 0 ) { + if (zSig0 == 0) { + return packFloatx80(zSign, 0, 0); + } normalizeFloatx80Subnormal( zSig0, &zExp, &zSig0 ); goto roundAndPack; }