From patchwork Mon Jul 27 14:05:09 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: 247184 Delivered-To: patch@linaro.org Received: by 2002:a92:d244:0:0:0:0:0 with SMTP id v4csp4848869ilg; Mon, 27 Jul 2020 07:28:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJya90HHmmPA3pK2UOrQnSObzXX+o3B9IZef0cb+Yh8bp/BvIakTLSxd2BP+CmLh4g0cf+9t X-Received: by 2002:a05:6402:3ca:: with SMTP id t10mr6920228edw.298.1595860105425; Mon, 27 Jul 2020 07:28:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1595860105; cv=none; d=google.com; s=arc-20160816; b=hc76Evh0SkDrMbHwu2Q1EEf0BPyM2XGl2HeFsFWkgUo8gGv8hOB+MqFLvUL9RfqRsF sSyOOqt/LfiouOfFmOYu13Ef33cVydTRsQtb5lSMOCQtaV+nch5W5UgBr8ze0jHDuiYe 9OYRESNGpawt7y/s/wbRA7/gFRbbu3tRhx0kIpfJbXK0WKGXdmIrW24p5nRVxuUghQSN wne3E3zZZoxCQOz3tRNMn/itV7geWX8+LLPstG207dI659J+fR9WmVG8BQ0fvg9ye6G4 61idYrzVRoPz/BhEzFdEQEP3a9j/yk78SCHizDfzqa6CQvbONri9n9uA0nvC74f8EGi6 alFA== 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=IE+So64SJGedld+OHyXUmvcHJ/s2utmpXyJBUxCxI/A=; b=Oxq7f4PhySLLczPsQQX+dOac1GbmFPH5sP09ImMxSIZeITrVLM40nVHHXn6S3vj1N/ qLV2b/sflmSEqCkQgrmxQjUh50Ln2umy7crkMnry2u2s1LN1L6Qd9NqDMHt92z/cTk5i e3QeiZkmvQZixHLd+Isiz/lFClNMZ24elm/Uc7qdiWiVNSvMMsZ5xcWjQ4GRcTowqMFi XO9jUk7tGjFRKG8xnXdSlkw25uU1OR08HGIDSVvXzKorUVVQYSuZyvb64D/vhSKU5mLm Q2u6VuYwGPLCkGiDvQBNTMmAB0gIVrNOKfTy7h3CyOwnpQhuwaYUsswcvqSprX0DBG4u el2A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=arSpuOji; 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 p32si6177586edd.55.2020.07.27.07.28.25; Mon, 27 Jul 2020 07:28:25 -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=arSpuOji; 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 S1732248AbgG0O2Y (ORCPT + 15 others); Mon, 27 Jul 2020 10:28:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:53840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732257AbgG0OYV (ORCPT ); Mon, 27 Jul 2020 10:24:21 -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 AAA682173E; Mon, 27 Jul 2020 14:24:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595859861; bh=p7kbBdidlvQ7bLIBBd8hhQHTZoQliGldBUR16LYjEP8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=arSpuOjiW10ZrAnsrK8ShmzshalgQTWUBdxpkKA7hALhFl4Cz/kUrt7YGJu9VXrzF sBduNVayFzEuOxipFDHrdrPyMVq6PLESUsPaOoDmV3BjL5lo0iBwRjcPpul4u1GSUd fSRKc2GVV6VE01zeMrqxbXEsyJEpOCUMQeAqSbLE= 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 5.7 134/179] x86: math-emu: Fix up cmp insn for clang ias Date: Mon, 27 Jul 2020 16:05:09 +0200 Message-Id: <20200727134939.177146438@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200727134932.659499757@linuxfoundation.org> References: <20200727134932.659499757@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 3b2b58164ec18..40526dd85137b 100644 --- a/arch/x86/math-emu/wm_sqrt.S +++ b/arch/x86/math-emu/wm_sqrt.S @@ -209,7 +209,7 @@ 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 */