From patchwork Thu Jul 30 08:04:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 247263 Delivered-To: patch@linaro.org Received: by 2002:a92:d244:0:0:0:0:0 with SMTP id v4csp2190944ilg; Thu, 30 Jul 2020 01:09:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx/P+FzfJQL2uKd7GhYZlKhlDmu7NjnLMunv7WQJZyPPVj1VavOcBwRVXmAE0dMwOmm1PeQ X-Received: by 2002:a17:906:7802:: with SMTP id u2mr1439542ejm.206.1596096555062; Thu, 30 Jul 2020 01:09:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1596096555; cv=none; d=google.com; s=arc-20160816; b=SZfytpN7lBK6QXnEUKjn1PhEcRk9Pr2bfh1rE82fwwvBCZTJNO6EtLL5K+P0/L83DJ tiPykyWSEcm5KiYyb93HZpI1Bdwwxgr4Yry4mG2a8jzY544a+lT+I24QvvBiCfVjXn/n Eqw4ROxc9bGESpqLTk/c3t5FUlmHPVJmeaIzVUSd/XJkMLcugbQ5i74BHSHeCoqlU6sf nfPJoUtCq+e8K17/uM8r5yJVYAJdpQaSNlrGcaYkZvcKeDRAY7oIORiSNlO8s4gi5iOw r56SMKDa4sVs75r7E7MXUBhvlrp5qxNbNK+TWyWyQA1+iTekeYLByBPNF5Cv/+oWvBBV vUmA== 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=g45a+H7hE+PNbftSwFxhNBrlrnSBThoyaV9WOyIRrKM=; b=atQpEvM+p7VUW5yxVyTRQ1V9XCI6YmbSeUR4DgpZ9y23iGG5/g9tHVG2haLyglMDvc Gn+VokOL+iGc/qe097CKBf/2PAq3pZx+YxC1sGym3flfhZxNB4teYi6f+8qQpM288tun 3sa50YUjjHNcqEdZCPN4CtutC1UgBue9DlAQqY7kVIAZrxYrto8qvNhMRVKQVhR8oSVX mTTimAKuddsF74k7HWKPZVlmzeZOm3KEZYN05P7OocspAlZ/v2j9cyY/rYRT7SEqCn7V 9YCl3vAlt3MWfLQh/k75ZfXUSFN6wFScHNqKn4g99sseRZxiYKM5cwGlM7SEFOZx1USh gYlw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=JETMLqoX; 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 s4si2895562edc.555.2020.07.30.01.09.14; Thu, 30 Jul 2020 01:09:15 -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=JETMLqoX; 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 S1729050AbgG3IJM (ORCPT + 15 others); Thu, 30 Jul 2020 04:09:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:47496 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729262AbgG3IJD (ORCPT ); Thu, 30 Jul 2020 04:09:03 -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 843212083B; Thu, 30 Jul 2020 08:09:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596096543; bh=1DC36zulnrTR4UQVCUR7JDdTyotCWqbHbyfSEQjISsM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JETMLqoXjYHzvEOvK2fjRO76AO42yr9jL3Nxo9O1p2kf5KPlZXGwztF8VRJR2OgtJ xsHAoXyWnTW91Ecs/HCgU2mZcoIOgSStWoqRIu6wNaP/P90P3D/VaDZ2+CGkC6KhSg M+IkJ7SyVfA/OJvxa13pbg+5gBFr9JDopDY4s70w= 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 4.9 28/61] x86: math-emu: Fix up cmp insn for clang ias Date: Thu, 30 Jul 2020 10:04:46 +0200 Message-Id: <20200730074422.202517573@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200730074420.811058810@linuxfoundation.org> References: <20200730074420.811058810@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(-) -- 2.25.1 diff --git a/arch/x86/math-emu/wm_sqrt.S b/arch/x86/math-emu/wm_sqrt.S index d258f59564e11..3b40c98bbbd40 100644 --- 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 */