From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28051 invoked by alias); 30 Oct 2013 13:01:30 -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 Received: (qmail 28005 invoked by uid 48); 30 Oct 2013 13:01:27 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/57676] [4.8/4.9 Regression] ICE: Maximum number of LRA constraint passes is achieved (30) Date: Wed, 30 Oct 2013 13:01:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: ra X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: priority Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-10/txt/msg02162.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57676 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P2 --- Comment #4 from Richard Biener --- I wonder if there is an algorithm to fall back to that doesn't require iteration. Or, if not, if we can instead check if there was progress during the last iteration (interpreting the limit as a way to check whether we'll iterate indefinitely).