From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18939 invoked by alias); 3 Apr 2007 12:25:11 -0000 Received: (qmail 18659 invoked by uid 48); 3 Apr 2007 12:24:54 -0000 Date: Tue, 03 Apr 2007 12:25:00 -0000 Message-ID: <20070403122454.18658.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug debug/31412] [4.3] inf loop/long compile time, time spent in var-tracking.c In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth at gcc dot gnu dot org" 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: 2007-04/txt/msg00198.txt.bz2 ------- Comment #3 from rguenth at gcc dot gnu dot org 2007-04-03 13:24 ------- Well, vt_find_locations is quadratic in the number of edges and basic blocks which we have a _lot_ in this testcase. Now, with the dataflow rewrite there may be an easier way to compute the df problem. Maybe Paolo has a suggestion here... -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bonzini at gnu dot org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2007-04-03 13:24:54 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31412