From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A4C8C433DF for ; Sat, 8 Aug 2020 23:36:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ED41B20825 for ; Sat, 8 Aug 2020 23:36:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596929813; bh=IHgBT8Vjik3BbIgxDcxrZBpBmFQ3aLVlSzGsnPVE574=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=uIJ7z34CI1Ta50zFarqFxmaYLX5TJAxg6Et2X4ffZEl9KFNH+Cm941YtOtJGn/84l lEjR7+ZQ9FQqPDTgJAhhOONzaFEa8s2xwCGcK5LA7HOPNgk4Q/cGN0JGgoZE2gHNpz ZwCaJKQxKcm6PmgfQtopQTd0BjY4NFxw0ursvI2w= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726482AbgHHXgv (ORCPT ); Sat, 8 Aug 2020 19:36:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:49542 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727027AbgHHXgs (ORCPT ); Sat, 8 Aug 2020 19:36:48 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C441C20716; Sat, 8 Aug 2020 23:36:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596929807; bh=IHgBT8Vjik3BbIgxDcxrZBpBmFQ3aLVlSzGsnPVE574=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yxh0eIuM3eM8/J0i6gwwopCXJ5jioROjcy5r1vXBYfanHPNSDKePjQihKlXsuQC3d FfeIBWYi2Tur6i+lSc1N8cjFG5agvaEKb5yUv5dtVUkKCt3/TW2RvCgJCWBcOKCKXj avwoKu2arCbl1w1U1L7KO8o6yIsCDkpopj/qyfcY= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Arnd Bergmann , Nathan Chancellor , Herbert Xu , Sasha Levin , linux-crypto@vger.kernel.org, clang-built-linux@googlegroups.com Subject: [PATCH AUTOSEL 5.8 44/72] crypto: x86/crc32c - fix building with clang ias Date: Sat, 8 Aug 2020 19:35:13 -0400 Message-Id: <20200808233542.3617339-44-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200808233542.3617339-1-sashal@kernel.org> References: <20200808233542.3617339-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnd Bergmann [ Upstream commit 44623b2818f4a442726639572f44fd9b6d0ef68c ] The clang integrated assembler complains about movzxw: arch/x86/crypto/crc32c-pcl-intel-asm_64.S:173:2: error: invalid instruction mnemonic 'movzxw' It seems that movzwq is the mnemonic that it expects instead, and this is what objdump prints when disassembling the file. Fixes: 6a8ce1ef3940 ("crypto: crc32c - Optimize CRC32C calculation with PCLMULQDQ instruction") Signed-off-by: Arnd Bergmann Reviewed-by: Nathan Chancellor Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- arch/x86/crypto/crc32c-pcl-intel-asm_64.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S index 8501ec4532f4f..442599cbe7960 100644 --- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S +++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S @@ -170,7 +170,7 @@ continue_block: ## branch into array lea jump_table(%rip), %bufp - movzxw (%bufp, %rax, 2), len + movzwq (%bufp, %rax, 2), len lea crc_array(%rip), %bufp lea (%bufp, len, 1), %bufp JMP_NOSPEC bufp -- 2.25.1