From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1443 invoked by alias); 4 May 2011 16:59:07 -0000 Received: (qmail 1416 invoked by uid 22791); 4 May 2011 16:59:04 -0000 X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_DN 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, 04 May 2011 16:58:51 +0000 From: "froydnj at codesourcery dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/48773] Dataflow and REG_DEAD notes X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: froydnj at codesourcery dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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, 04 May 2011 16:59:00 -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: 2011-05/txt/msg00351.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48773 --- Comment #8 from froydnj at codesourcery dot com 2011-05-04 16:47:52 UTC --- On Wed, May 04, 2011 at 04:25:19PM +0000, mfortune at gmail dot com wrote: > Can anyone speculate as to which passes consume REG_DEAD notes or is it a case > of trawling the source? invoking df_note_add_problem in the final pass should > resolve the bug I have seen but I expect there are more. Grepping for REG_DEAD shows up a number of places.