From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18472 invoked by alias); 25 Mar 2004 19:16:19 -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 18462 invoked by uid 48); 25 Mar 2004 19:16:18 -0000 Date: Thu, 25 Mar 2004 19:16:00 -0000 Message-ID: <20040325191618.18461.qmail@sources.redhat.com> From: "kazu at cs dot umass dot edu" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20030810154728.11877.debian-gcc@lists.debian.org> References: <20030810154728.11877.debian-gcc@lists.debian.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug target/11877] gcc should use xor trick with -Os X-Bugzilla-Reason: CC X-SW-Source: 2004-03/txt/msg03058.txt.bz2 List-Id: ------- Additional Comments From kazu at cs dot umass dot edu 2004-03-25 19:16 ------- Even if you split the long move in ix86_expand_move, the constant 0 is propagated into the two moves. I guess the right way may be uncse sometime after register allocation. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11877