From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 80109 invoked by alias); 9 Dec 2015 00:44:53 -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 80099 invoked by uid 89); 9 Dec 2015 00:44:53 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.2 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,SPF_HELO_PASS,T_RP_MATCHES_RCVD autolearn=no version=3.3.2 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; Wed, 09 Dec 2015 00:44:52 +0000 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id A475E935D5; Wed, 9 Dec 2015 00:44:51 +0000 (UTC) Received: from localhost.localdomain (ovpn-113-32.phx2.redhat.com [10.3.113.32]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id tB90ip8g007782; Tue, 8 Dec 2015 19:44:51 -0500 Subject: Re: [RFA] [PATCH] [PR tree-optimization/68619] Avoid direct cfg cleanups in tree-ssa-dom.c [1/3] To: Trevor Saunders References: <56667585.5040307@redhat.com> <20151208122340.GA17982@tsaunders-iceball.corp.tor1.mozilla.com> Cc: gcc-patches From: Jeff Law Message-ID: <56677982.1020706@redhat.com> Date: Wed, 09 Dec 2015 00:44:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <20151208122340.GA17982@tsaunders-iceball.corp.tor1.mozilla.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2015-12/txt/msg00936.txt.bz2 On 12/08/2015 08:36 AM, Trevor Saunders wrote: > > Thinking about this more I wonder if we could move more of this into the > dom walker, and skip calling before / after dom_children on unreachable > blocks all together. That would seem to work for sccvn, but I'm not > sure about what tree-ssa-dom.c is doing with the mark pushing and > clearing. Total brain lock, it hit when I got Richi's message, dumping it in the walker itself is the obvious choice. jeff