From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31448 invoked by alias); 6 Aug 2012 11:07:27 -0000 Received: (qmail 31437 invoked by uid 22791); 6 Aug 2012 11:07:26 -0000 X-SWARE-Spam-Status: No, hits=-5.0 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,KHOP_RCVD_TRUST,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE,TW_FC X-Spam-Check-By: sourceware.org Received: from mail-gh0-f175.google.com (HELO mail-gh0-f175.google.com) (209.85.160.175) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 06 Aug 2012 11:07:14 +0000 Received: by ghbz2 with SMTP id z2so796482ghb.20 for ; Mon, 06 Aug 2012 04:07:14 -0700 (PDT) Received: by 10.66.87.138 with SMTP id ay10mr17371036pab.38.1344251233689; Mon, 06 Aug 2012 04:07:13 -0700 (PDT) Received: from yakj.usersys.redhat.com (93-34-169-1.ip50.fastwebnet.it. [93.34.169.1]) by mx.google.com with ESMTPS id qt6sm1821309pbb.9.2012.08.06.04.07.10 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 06 Aug 2012 04:07:12 -0700 (PDT) Message-ID: <501FA55B.7030706@gnu.org> Date: Mon, 06 Aug 2012 11:07:00 -0000 From: Paolo Bonzini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1 MIME-Version: 1.0 To: Steven Bosscher CC: GCC Patches Subject: Re: [patch] speed up ifcvt:cond_move_convert_if_block References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit 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 X-SW-Source: 2012-08/txt/msg00292.txt.bz2 Il 06/08/2012 08:54, Steven Bosscher ha scritto: > Hello, > > In PR54146, ifcvt spends a lot of time just clearing memory. This > patch changes the value maps to pointer-maps to fix this issue. > > Bootstrapped&tested on x86_64-unknown-linux-gnu. OK? Nice, but perhaps we need a sparsemap to do even better? Paolo