From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 83865 invoked by alias); 31 Oct 2018 14:00:33 -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 83525 invoked by uid 89); 31 Oct 2018 14:00:18 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-4.5 required=5.0 tests=AWL,BAYES_50,GIT_PATCH_2,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.2 spammy=halves, U*jbeulich, i387tdepc, sk:i387_su X-HELO: smtp.polymtl.ca Received: from smtp.polymtl.ca (HELO smtp.polymtl.ca) (132.207.4.11) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 31 Oct 2018 14:00:12 +0000 Received: from simark.ca (simark.ca [158.69.221.121]) (authenticated bits=0) by smtp.polymtl.ca (8.14.7/8.14.7) with ESMTP id w9VE03vX030714 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 31 Oct 2018 10:00:08 -0400 Received: by simark.ca (Postfix, from userid 112) id 64FC31EAB6; Wed, 31 Oct 2018 10:00:03 -0400 (EDT) Received: from simark.ca (localhost [127.0.0.1]) by simark.ca (Postfix) with ESMTP id 7DC781E4C2; Wed, 31 Oct 2018 10:00:02 -0400 (EDT) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Wed, 31 Oct 2018 14:00:00 -0000 From: Simon Marchi To: Jan Beulich Cc: GDB , Markus T Metzger Subject: Re: Ping: [PATCH v2] x86-64: fix ZMM register state tracking In-Reply-To: <5BD6E19202000078001F5BC4@prv1-mh.provo.novell.com> References: <5B8FD8B302000078001E5940@prv1-mh.provo.novell.com> <5BD6E19202000078001F5BC4@prv1-mh.provo.novell.com> Message-ID: <8bafd220c79c3936de8ce3d6421a9c01@polymtl.ca> X-Sender: simon.marchi@polymtl.ca User-Agent: Roundcube Webmail/1.3.6 X-IsSubscribed: yes X-SW-Source: 2018-10/txt/msg00750.txt.bz2 On 2018-10-29 06:31, Jan Beulich wrote: >>>> On 10.10.18 at 17:12, wrote: >> The three AVX512 state components are entirely independent - one being >> in its "init state" has no implication whatsoever on either of the >> other >> two. Fully separate X86_XSTATE_ZMM_H and X86_XSTATE_ZMM handling, to >> prevent upper halves of the upper 16 ZMM registers to display as if >> they >> were zero (when they aren't) after e.g. VZEROALL/VZEROUPPER. >> >> gdb/ >> 2018-10-10 Jan Beulich >> >> * i387-tdep.c (i387_supply_xsave): Split handling of >> X86_XSTATE_ZMM_H and X86_XSTATE_ZMM. >> (i387_collect_xsave): Likewise. >> >> gdb/testsuite/ >> 2018-10-10 Simon Marchi >> >> * testsuite/gdb.arch/i386-avx512.c, >> testsuite/gdb.arch/i386-avx512.exp: Add 7th test. >> >> --- >> v2: Attach comments to zmm_endlo_regnum declarations. Add testcase >> provided by Simon. The testcase obviously LGTM. I will let Markus approve the other changes. Simon