From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6893 invoked by alias); 29 Jul 2012 14:45:09 -0000 Received: (qmail 6859 invoked by uid 22791); 29 Jul 2012 14:45:08 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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; Sun, 29 Jul 2012 14:44:55 +0000 From: "glisse at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/30318] VRP does not create ANTI_RANGEs on overflow Date: Sun, 29 Jul 2012 14:45:00 -0000 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: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: glisse at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Attachment #27317 is obsolete Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8"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 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: 2012-07/txt/msg02086.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30318 Marc Glisse changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #27317|0 |1 is obsolete| | --- Comment #21 from Marc Glisse 2012-07-29 14:44:25 UTC --- Created attachment 27885 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27885 MULT_EXPR It still requires some double-checking, a testcase, a bootstrap+regtest, but it seems to give sensible results.