From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21128 invoked by alias); 11 Mar 2008 16:49:57 -0000 Received: (qmail 20962 invoked by alias); 11 Mar 2008 16:49:13 -0000 Date: Tue, 11 Mar 2008 16:49:00 -0000 Message-ID: <20080311164913.20961.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/35281] [4.3/4.4 Regression] multiply with 0 generated for 64*32->64 In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "bonzini 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: 2008-03/txt/msg00814.txt.bz2 ------- Comment #12 from bonzini at gnu dot org 2008-03-11 16:49 ------- For 4.4, both mul16 and mul32 will be fixed by the pending patch. The pending patch is what cures the regression part of this bug. ------- Comment #13 from bonzini at gnu dot org 2008-03-11 16:49 ------- Subject: Bug 35281 Author: bonzini Date: Tue Mar 11 16:48:28 2008 New Revision: 133116 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133116 Log: 2008-03-11 Paolo Bonzini PR rtl-optimization/35281 * expr.c (convert_move): Use a new pseudo for the intermediate from_mode->word_mode result. Modified: trunk/gcc/ChangeLog trunk/gcc/expr.c -- bonzini at gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |patch http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35281