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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 0D795C2D0EA for ; Wed, 8 Apr 2020 14:42:32 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D6ACB20692 for ; Wed, 8 Apr 2020 14:42:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D6ACB20692 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=strupe.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36894 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMBuQ-00038W-Kz for qemu-devel@archiver.kernel.org; Wed, 08 Apr 2020 10:42:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60734) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jM9No-0004aL-Sp for qemu-devel@nongnu.org; Wed, 08 Apr 2020 08:00:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jM9Nn-0001aw-Uv for qemu-devel@nongnu.org; Wed, 08 Apr 2020 08:00:40 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:41341) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jM9Nl-0001W3-7O; Wed, 08 Apr 2020 08:00:37 -0400 Received: from consensus.lan (cm-84.210.220.251.getinternet.no [84.210.220.251]) (Authenticated sender: fredrik@strupe.net) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 9A984200014; Wed, 8 Apr 2020 12:00:33 +0000 (UTC) From: Fredrik Strupe To: qemu-devel@nongnu.org, qemu-arm@nongnu.org Subject: [PATCH 1/2] target/arm: Make VQDMULL undefined when U=1 Date: Wed, 8 Apr 2020 13:59:53 +0200 Message-Id: <20200408115953.1158-1-fredrik@strupe.net> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 217.70.178.232 X-Mailman-Approved-At: Wed, 08 Apr 2020 10:41:29 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fredrik Strupe Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" According to Arm ARM, VQDMULL is only valid when U=0, while having U=1 is unallocated. Signed-off-by: Fredrik Strupe Fixes: 695272dcb976 ("target-arm: Handle UNDEF cases for Neon 3-regs-different-widths") --- target/arm/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 9f9f4e19e0..dfe9dbbcfd 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -5817,7 +5817,7 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) {0, 0, 0, 0}, /* VMLSL */ {0, 0, 0, 9}, /* VQDMLSL */ {0, 0, 0, 0}, /* Integer VMULL */ - {0, 0, 0, 1}, /* VQDMULL */ + {0, 0, 0, 9}, /* VQDMULL */ {0, 0, 0, 0xa}, /* Polynomial VMULL */ {0, 0, 0, 7}, /* Reserved: always UNDEF */ }; -- 2.20.1