From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17244 invoked by alias); 8 Nov 2017 22:31:44 -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 17234 invoked by uid 89); 8 Nov 2017 22:31:44 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy= 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; Wed, 08 Nov 2017 22:31:43 +0000 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F2C6D81DF2; Wed, 8 Nov 2017 22:31:41 +0000 (UTC) Received: from localhost.localdomain (ovpn-112-12.rdu2.redhat.com [10.10.112.12]) by smtp.corp.redhat.com (Postfix) with ESMTP id 261DA5E1B7; Wed, 8 Nov 2017 22:31:40 +0000 (UTC) Subject: Re: [8/10] Add a vect_variable_length target selector To: gcc-patches@gcc.gnu.org, richard.sandiford@linaro.org References: <87inerqqyz.fsf@linaro.org> <87inerpc2z.fsf@linaro.org> From: Jeff Law Message-ID: Date: Wed, 08 Nov 2017 22:33:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <87inerpc2z.fsf@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2017-11/txt/msg00684.txt.bz2 On 11/03/2017 10:21 AM, Richard Sandiford wrote: > This patch adds a target selector for variable-length vectors. > Initially it's always false, but the SVE patch provides a case > in which it's true. > > > 2017-11-03 Richard Sandiford > Alan Hayward > David Sherwood > > gcc/ > * doc/sourcebuild.texi (vect_variable_length): Document. > > gcc/testsuite/ > * lib/target-supports.exp > (check_effective_target_vect_variable_length): New proc. > * gcc.dg/vect/pr60482.c: XFAIL test for no epilog loop if > vect_variable_length. > * gcc.dg/vect/slp-reduc-6.c: XFAIL two-operation SLP if > vect_variable_length. > * gcc.dg/vect/vect-alias-check-5.c: XFAIL alias optimization if > vect_variable_length. > * gfortran.dg/vect/fast-math-mgrid-resid.f: XFAIL predictive > commoning optimization if vect_variable_length. OK. jeff