From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28132 invoked by alias); 3 Jul 2014 22:12:06 -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 28006 invoked by uid 55); 3 Jul 2014 22:11:56 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/61682] [4.10 Regression] wrong code at -O3 on x86_64-linux-gnu Date: Thu, 03 Jul 2014 22:12:00 -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-Version: 4.10.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.10.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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: 2014-07/txt/msg00194.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61682 --- Comment #3 from Jakub Jelinek --- Author: jakub Date: Thu Jul 3 22:11:21 2014 New Revision: 212273 URL: https://gcc.gnu.org/viewcvs?rev=212273&root=gcc&view=rev Log: PR tree-optimization/61682 * wide-int.cc (wi::mul_internal): Handle high correctly for umul_ppmm using cases and when one of the operands is equal to 1. * gcc.c-torture/execute/pr61682.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr61682.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/wide-int.cc