From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23213 invoked by alias); 1 Dec 2010 15:37:18 -0000 Received: (qmail 23009 invoked by uid 22791); 1 Dec 2010 15:37:17 -0000 X-SWARE-Spam-Status: No, hits=-2.8 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; Wed, 01 Dec 2010 15:37:13 +0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/46723] [4.5/4.6 Regression] internal compiler error: in get_initial_def_for_induction, at tree-vect-loop.c:2431 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: X-Bugzilla-Severity: critical X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.5.2 X-Bugzilla-Changed-Fields: 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 Date: Wed, 01 Dec 2010 15:37:00 -0000 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: 2010-12/txt/msg00053.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46723 --- Comment #7 from Richard Guenther 2010-12-01 15:37:09 UTC --- Created attachment 22587 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22587 patch Patch I'm testing. Computes the induction PHI in the type of the evolution, stripping conversions (sign-changing only for now) and re-applying them at uses (by inserting another assignment that does the conversion in place for the vectorized stmt).