From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 95029 invoked by alias); 20 May 2016 11:09:24 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 95013 invoked by uid 89); 20 May 2016 11:09:23 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.3 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=sk:check_v 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 (AES256-GCM-SHA384 encrypted) ESMTPS; Fri, 20 May 2016 11:09:22 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (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 6025C8113A; Fri, 20 May 2016 11:09:21 +0000 (UTC) Received: from tucnak.zalov.cz (ovpn-116-88.ams2.redhat.com [10.36.116.88]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u4KB9Jo6021937 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 20 May 2016 07:09:20 -0400 Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.15.2/8.15.2) with ESMTP id u4KB9Hmi017277; Fri, 20 May 2016 13:09:18 +0200 Received: (from jakub@localhost) by tucnak.zalov.cz (8.15.2/8.15.2/Submit) id u4KB9Gml017276; Fri, 20 May 2016 13:09:16 +0200 Date: Fri, 20 May 2016 11:09:00 -0000 From: Jakub Jelinek To: Andreas Krebbel Cc: gcc-patches@gcc.gnu.org Subject: Re: [Committed] S/390: Disable scalar vector instructions with -mno-vx. Message-ID: <20160520110916.GG28550@tucnak.redhat.com> Reply-To: Jakub Jelinek References: <1462871037-16897-1-git-send-email-krebbel@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1462871037-16897-1-git-send-email-krebbel@linux.vnet.ibm.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-IsSubscribed: yes X-SW-Source: 2016-05/txt/msg01622.txt.bz2 On Tue, May 10, 2016 at 11:03:57AM +0200, Andreas Krebbel wrote: > Although the scalar variants of the vector instructions aren't > actually vector instructions they are still executed in the vector > facility and therefore need to be disabled when disabling the facility > with -mno-vx. OT, I see that check_vect_support_and_set_flags doesn't have any s390 support, I'd be expecting it to add -mvx and depending on the hw either use just compile as the default action or run with -mvx. Also, tree-vect.h probably needs adjustment for z13 etc. Jakub