From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17668 invoked by alias); 8 Oct 2018 17:37:58 -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 17653 invoked by uid 89); 8 Oct 2018 17:37:58 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,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; Mon, 08 Oct 2018 17:37:57 +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 36C269D434; Mon, 8 Oct 2018 17:37:56 +0000 (UTC) Received: from localhost.localdomain (ovpn-112-61.rdu2.redhat.com [10.10.112.61]) by smtp.corp.redhat.com (Postfix) with ESMTP id 95FDB5D781; Mon, 8 Oct 2018 17:37:55 +0000 (UTC) Subject: Re: Use FOR_EACH_IMM_USE_FAST in gimple-ssa-backprop.c To: gcc-patches@gcc.gnu.org, richard.sandiford@arm.com References: <874ldwtkko.fsf@arm.com> From: Jeff Law Openpgp: preference=signencrypt Message-ID: <8d38e772-dd0e-5d2b-a10b-3b5c1c04fd63@redhat.com> Date: Mon, 08 Oct 2018 17:54:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 MIME-Version: 1.0 In-Reply-To: <874ldwtkko.fsf@arm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2018-10/txt/msg00457.txt.bz2 On 10/8/18 11:27 AM, Richard Sandiford wrote: > As pointed out by Richard in PR63155. It speeds up the testcase a few %. > > Tested on aarch64-linux-gnu. OK to install? > > Richard > > > 2018-10-08 Richard Sandiford > > gcc/ > PR middle-end/63155 > * gimple-ssa-backprop.c (backprop::intersect_uses): Use > FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT. OK. jeff