From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7336 invoked by alias); 6 Apr 2007 15:08:01 -0000 Received: (qmail 7276 invoked by alias); 6 Apr 2007 15:07:44 -0000 Date: Fri, 06 Apr 2007 15:08:00 -0000 Message-ID: <20070406150744.7275.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/27869] "-O -fregmove" handles SSE scalar instructions incorrectly In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "hubicka at ucw dot cz" 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: 2007-04/txt/msg00436.txt.bz2 ------- Comment #7 from hubicka at ucw dot cz 2007-04-06 16:07 ------- Subject: Re: "-O -fregmove" handles SSE scalar instructions incorrectly > Investigating... The attached patch to remove '%' seems correct to me. Merge operating wrapping the (commutative) plus/mult/min/max is not commutative, so '%' is wrong. Or am I missing something? Honza -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27869