From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13758 invoked by alias); 6 Apr 2010 12:33:30 -0000 Received: (qmail 13518 invoked by alias); 6 Apr 2010 12:32:52 -0000 Date: Tue, 06 Apr 2010 12:33:00 -0000 Message-ID: <20100406123252.13517.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv takes 75%) 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: 2010-04/txt/msg00549.txt.bz2 ------- Comment #19 from rguenth at gcc dot gnu dot org 2010-04-06 12:32 ------- Subject: Bug 43627 Author: rguenth Date: Tue Apr 6 12:32:25 2010 New Revision: 157992 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157992 Log: 2010-04-06 Richard Guenther PR tree-optimization/43627 * tree-vrp.c (extract_range_from_unary_expr): Widenings of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type, not varying. * gcc.dg/tree-ssa/vrp49.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp49.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627