From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8090 invoked by alias); 8 Oct 2004 20:15:12 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 7908 invoked from network); 8 Oct 2004 20:15:09 -0000 Received: from unknown (HELO physunc.phy.uc.edu) (129.137.4.6) by sourceware.org with SMTP; 8 Oct 2004 20:15:09 -0000 Received: from bethe.phy.uc.edu (bethe.geop.uc.edu [10.44.6.245]) by physunc.phy.uc.edu (8.9.3p2/8.9.3) with ESMTP id QAA10824; Fri, 8 Oct 2004 16:14:51 -0400 (EDT) Received: from [10.44.3.130] (zhivago.geop.uc.edu [10.44.3.130]) by bethe.phy.uc.edu (8.9.3p2/8.9.3) with ESMTP id QAA29627; Fri, 8 Oct 2004 16:14:55 -0400 (EDT) In-Reply-To: <1097263242.4227.4.camel@localhost.localdomain> References: <20041007200445.GN31909@devserv.devel.redhat.com> <20041007.181556.07457730.kazu@cs.umass.edu> <20041008053138.GQ31909@devserv.devel.redhat.com> <1097263242.4227.4.camel@localhost.localdomain> Mime-Version: 1.0 (Apple Message framework v618) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: Content-Transfer-Encoding: 7bit Cc: Kazu Hirata , Jakub Jelinek , rth@redhat.com, dnovillo@redhat.com, gcc-patches@gcc.gnu.org From: Andrew Pinski Subject: Re: [PATCH] Fix PR tree-optimization/17724 Date: Fri, 08 Oct 2004 20:25:00 -0000 To: law@redhat.com X-SW-Source: 2004-10/txt/msg00777.txt.bz2 On Oct 8, 2004, at 3:20 PM, Jeffrey A Law wrote: > Well, if you want a testcase you might peek at 15524; it's spending > over 20% of its time in the tree CFG cleanup code. I haven't looked > into what it's doing that is so bloody bad, but it's clearly doing > something goofy (I'm up to my eyeballs in driving down the time for > DOM for that testcase right now :-) > > Anyway, the only tidbit I could pass along is that the CFG cleanup > time has basically been unchanged, even with Kazu's recent work. I filed PR 17895 with a slightly modified testcase from PR 15524 which shows that we spend 90% of the time in tree CFG cleanup. The modification is removing the function call from each of the case statement. Thanks, Andrew Pinski