From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8139 invoked by alias); 12 Oct 2008 20:41:35 -0000 Received: (qmail 8014 invoked by alias); 12 Oct 2008 20:40:16 -0000 Date: Sun, 12 Oct 2008 20:41:00 -0000 Message-ID: <20081012204016.8013.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/37795] if-combine doesn't optimize != after >= test In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenther at suse dot de" 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/msg00808.txt.bz2 ------- Comment #4 from rguenther at suse dot de 2008-10-12 20:40 ------- Subject: Re: if-combine doesn't optimize != after >= test On Sun, 12 Oct 2008, ubizjak at gmail dot com wrote: > Does this patch also solve PR 28685? No. ifcombine only combines on the CFG, in PR28685 we are dealing with a CFG-less opportunity. Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37795