From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 83783 invoked by alias); 3 Jan 2017 14:35:21 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 81607 invoked by uid 89); 3 Jan 2017 14:35:20 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-5.1 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=H*M:9ac2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 03 Jan 2017 14:35:19 +0000 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BBBDE4E4D3; Tue, 3 Jan 2017 14:35:19 +0000 (UTC) Received: from [10.36.116.174] (ovpn-116-174.ams2.redhat.com [10.36.116.174]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v03EZHN0010053 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 3 Jan 2017 09:35:19 -0500 Subject: Re: [PATCH] aarch64 sim vector mul bug fix To: Jim Wilson , gdb-patches@sourceware.org References: From: Nick Clifton Message-ID: Date: Tue, 03 Jan 2017 14:35:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-01/txt/msg00010.txt.bz2 Hi Jim, > The vector mul instruction is doing a widening multiply, but isn't > supposed to. mull does a widening multiply, mul does a regular > multiply. > > The testcase works with the patch, and fails without the patch. GCC C > testsuite failures drop from 2538 to 2473. Approved - please apply. Also - would you be interested in becoming a maintainer for the AArch64 sim ? I certainly think that it would be good idea, and I think that Mike would probably be onboard with the idea too ... Cheers Nick