From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10830 invoked by alias); 12 Oct 2008 20:47:58 -0000 Received: (qmail 10818 invoked by uid 22791); 12 Oct 2008 20:47:57 -0000 X-Spam-Check-By: sourceware.org Received: from mail-gx0-f17.google.com (HELO mail-gx0-f17.google.com) (209.85.217.17) by sourceware.org (qpsmtpd/0.31) with ESMTP; Sun, 12 Oct 2008 20:47:16 +0000 Received: by gxk10 with SMTP id 10so2149017gxk.8 for ; Sun, 12 Oct 2008 13:47:13 -0700 (PDT) Received: by 10.142.217.17 with SMTP id p17mr2186181wfg.23.1223844433437; Sun, 12 Oct 2008 13:47:13 -0700 (PDT) Received: by 10.143.7.2 with HTTP; Sun, 12 Oct 2008 13:47:13 -0700 (PDT) Message-ID: Date: Sun, 12 Oct 2008 20:47:00 -0000 From: "Andrew Pinski" To: gcc-bugzilla@gcc.gnu.org Subject: Re: [Bug tree-optimization/37795] if-combine doesn't optimize != after >= test Cc: gcc-bugs@gcc.gnu.org In-Reply-To: <20081012204016.8013.qmail@sourceware.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20081012204016.8013.qmail@sourceware.org> X-IsSubscribed: yes Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2008-10/txt/msg00810.txt.bz2 On Sun, Oct 12, 2008 at 1:40 PM, rguenther at suse dot de wrote: > No. ifcombine only combines on the CFG, in PR28685 we are dealing > with a CFG-less opportunity. Well it depends really. As on some targets it has a CFG based ||/&& depending on BRANCH_COST. Thanks, Andrew Pinski