From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26278 invoked by alias); 28 Nov 2017 16:45:34 -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 26233 invoked by uid 89); 28 Nov 2017 16:45:32 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.7 required=5.0 tests=BAYES_00,KB_WAM_FROM_NAME_SINGLEWORD,SPF_HELO_PASS,T_RP_MATCHES_RCVD autolearn=no 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; Tue, 28 Nov 2017 16:45:25 +0000 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 85511315FCB; Tue, 28 Nov 2017 16:45:23 +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 B6DDB544F2; Tue, 28 Nov 2017 16:45:22 +0000 (UTC) Subject: Re: [072/nnn] poly_int: vectorizable_live_operation To: gcc-patches@gcc.gnu.org, richard.sandiford@linaro.org References: <871sltvm7r.fsf@linaro.org> <878tg1ixhc.fsf@linaro.org> From: Jeff Law Message-ID: <968c17df-ef4f-f126-cafa-a1f9e45939db@redhat.com> Date: Tue, 28 Nov 2017 16:47:00 -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: <878tg1ixhc.fsf@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2017-11/txt/msg02427.txt.bz2 On 10/23/2017 11:29 AM, Richard Sandiford wrote: > This patch makes vectorizable_live_operation cope with variable-length > vectors. For now we just handle cases in which we can tell at compile > time which vector contains the final result. > > > 2017-10-23 Richard Sandiford > Alan Hayward > David Sherwood > > gcc/ > * tree-vect-loop.c (vectorizable_live_operation): Treat the number > of units as polynomial. Punt if we can't tell at compile time > which vector contains the final result. OK. jeff