From patchwork Thu Jul 30 08:05:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 247264 Delivered-To: patch@linaro.org Received: by 2002:a92:d244:0:0:0:0:0 with SMTP id v4csp2192478ilg; Thu, 30 Jul 2020 01:12:00 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxubj0MCsS3SFKWBHo7Ek+kMRBTGIsOpj58l49hulkuzR/yrMmIvhJWOyzdVmfxBIKVbzSd X-Received: by 2002:a05:6402:1545:: with SMTP id p5mr1444409edx.388.1596096720512; Thu, 30 Jul 2020 01:12:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1596096720; cv=none; d=google.com; s=arc-20160816; b=ncqUeaA5qSZPjPFZ/feQ7acRftMpLz+MUS9OWJaZBI+M5gtfldeIZw7mnMuTUXrsp2 QUqPMxtbhyYc/8uSosfat51K8TDPv6UpP/yTFt7AAmpbMfFfmGGGsCRvs5JvqSTieNLS QLummyWa4C5UPEqlq8LGxKS+3Sbr0G314ufVyLYHWg/DOiFmoDJTxlfpRHVnGdrY1QeM wexGBKOsS2cDtkP0fM3RSemrLfr2PpgB1KFPIdNrmAw23ynKb6DmfysdS3RefzoxKU7N DWvD0I9IHjakbu/VS7DMUKo9xJTi1Azbo0BClKkmYCbOPQrlRMkjy/OzNty+SI24WtNE 2/nQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=Pth+vJcL28rBk+Fl7pDytQZ0cpxXLUsZK22gCIvr9bg=; b=GP14YxFTC3yz52uRxIJvh46cU25iAhGz9ubICPTmZWyQNUzC4L5RHkO9wwVem35TXr j0yc6xezQcUpDagwaSn2sjLbwzc3r7A1+Fg/tINRkYIMJdp3INx+FJdtN8dF73cfK5Tt v8hYunC4ouOA0hInm8loZKjQ52JNxq8e4sA+byYvc52llRAuXpHZfKpnWmevtQb3HGJi jcMsbm5TezYT8CEDcw9/XCpQ8kVrVK83P/2UfIMxo5EEGWPFIo/xOIktfzLO2PBnmB1z T3VNdWZEJb8poB8HhD9FoMdbx/VifLuq3GaEbdjvtuaQDmV9RacY+xLgqk5MlzSSVDaY 0/4Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=KCG5w6dW; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d8si2732029edu.63.2020.07.30.01.12.00; Thu, 30 Jul 2020 01:12:00 -0700 (PDT) Received-SPF: pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=KCG5w6dW; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729568AbgG3IL7 (ORCPT + 15 others); Thu, 30 Jul 2020 04:11:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:50894 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729273AbgG3ILi (ORCPT ); Thu, 30 Jul 2020 04:11:38 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 447902075F; Thu, 30 Jul 2020 08:11:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596096697; bh=+CBJnLT9l5f2AVkqwFSFxgld0R7ZlkycEiayQqbZqgM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KCG5w6dWU2mLEXWmQ/dnfmyX4iQ050qn0BFA93HUvEpZcmy0/HU1yDxF3oTWGEK6t zTW0ZLj3H86x0oAOhjI4Mk869MeECwOyTRw3OXQ44Dz+hrdfN4jnhnddNBVSrDNJ6P AQzGv5daR1YEVK8uvioXfftuZr6uQ4MDLuxkM0Vw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Thomas Gleixner , Nick Desaulniers , Sasha Levin Subject: [PATCH 4.4 25/54] x86: math-emu: Fix up cmp insn for clang ias Date: Thu, 30 Jul 2020 10:05:04 +0200 Message-Id: <20200730074422.415958430@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200730074421.203879987@linuxfoundation.org> References: <20200730074421.203879987@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Arnd Bergmann [ Upstream commit 81e96851ea32deb2c921c870eecabf335f598aeb ] The clang integrated assembler requires the 'cmp' instruction to have a length prefix here: arch/x86/math-emu/wm_sqrt.S:212:2: error: ambiguous instructions require an explicit suffix (could be 'cmpb', 'cmpw', or 'cmpl') cmp $0xffffffff,-24(%ebp) ^ Make this a 32-bit comparison, which it was clearly meant to be. Signed-off-by: Arnd Bergmann Signed-off-by: Thomas Gleixner Reviewed-by: Nick Desaulniers Link: https://lkml.kernel.org/r/20200527135352.1198078-1-arnd@arndb.de Signed-off-by: Sasha Levin --- arch/x86/math-emu/wm_sqrt.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/math-emu/wm_sqrt.S +++ b/arch/x86/math-emu/wm_sqrt.S @@ -208,7 +208,7 @@ sqrt_stage_2_finish: #ifdef PARANOID /* It should be possible to get here only if the arg is ffff....ffff */ - cmp $0xffffffff,FPU_fsqrt_arg_1 + cmpl $0xffffffff,FPU_fsqrt_arg_1 jnz sqrt_stage_2_error #endif /* PARANOID */