From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 94231 invoked by alias); 30 Oct 2017 17:30:46 -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 94219 invoked by uid 89); 30 Oct 2017 17:30:46 -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=Hx-languages-length:535 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, 30 Oct 2017 17:30:45 +0000 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DBA45BDE3; Mon, 30 Oct 2017 17:30:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com DBA45BDE3 Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=law@redhat.com Received: from localhost.localdomain (ovpn-112-15.phx2.redhat.com [10.3.112.15]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1E0AF5D9C7; Mon, 30 Oct 2017 17:30:42 +0000 (UTC) Subject: Re: [20/nn] Make tree-ssa-dse.c:normalize_ref return a bool To: gcc-patches@gcc.gnu.org, richard.sandiford@linaro.org References: <87wp3mxgir.fsf@linaro.org> <87inf6umos.fsf@linaro.org> From: Jeff Law Message-ID: <2135a4f5-0447-698a-be70-ccc94d601f4d@redhat.com> Date: Mon, 30 Oct 2017 17:49:00 -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: <87inf6umos.fsf@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2017-10/txt/msg02228.txt.bz2 On 10/23/2017 05:29 AM, Richard Sandiford wrote: > This patch moves the check for an overlapping byte to normalize_ref > from its callers, so that it's easier to convert to poly_ints later. > It's not really worth it on its own. > > > 2017-10-23 Richard Sandiford > > gcc/ > * tree-ssa-dse.c (normalize_ref): Check whether the ranges overlap > and return false if not. > (clear_bytes_written_by, live_bytes_read): Update accordingly. OK. jeff