From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11946 invoked by alias); 21 Jan 2012 07:30:21 -0000 Received: (qmail 11926 invoked by uid 22791); 21 Jan 2012 07:30:18 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 21 Jan 2012 07:29:32 +0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/29333] Jump threading getting in the way of PHI-OPT Date: Sat, 21 Jan 2012 08:17:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: pinskia at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: CC AssignedTo Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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: 2012-01/txt/msg02397.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- CC|gcc-bugs at gcc dot gnu.org | AssignedTo|unassigned at gcc dot |pinskia at gcc dot gnu.org |gnu.org | --- Comment #4 from Andrew Pinski 2012-01-21 07:28:41 UTC --- If we do a merge_phi before the phiopt we will find it correctly. I have a few patches which adds another merge_phi right before the last phiopt and adds one right before the first phiopt.