From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11168 invoked by alias); 27 Jan 2005 10:14:08 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 10488 invoked by uid 48); 27 Jan 2005 10:13:22 -0000 Date: Thu, 27 Jan 2005 10:14:00 -0000 Message-ID: <20050127101322.10487.qmail@sourceware.org> From: "steven at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040909235415.17387.hjl@lucon.org> References: <20040909235415.17387.hjl@lucon.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug rtl-optimization/17387] Redundant instructions in loop optimization X-Bugzilla-Reason: CC X-SW-Source: 2005-01/txt/msg04000.txt.bz2 List-Id: ------- Additional Comments From steven at gcc dot gnu dot org 2005-01-27 10:13 ------- More knowledgable sources than me say: "[mov %eax, %eax ] is not nop. 32bit operations implicitly zero extend, so this is zero extension. There is no movqzx." -- What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17387