From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9629 invoked by alias); 21 Aug 2010 04:15:04 -0000 Received: (qmail 9368 invoked by uid 48); 21 Aug 2010 04:14:44 -0000 Date: Sat, 21 Aug 2010 04:15:00 -0000 Message-ID: <20100821041444.9367.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/45365] X86 FP add and multiply aren't commutative In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "hjl dot tools at gmail dot com" 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: 2010-08/txt/msg01709.txt.bz2 ------- Comment #4 from hjl dot tools at gmail dot com 2010-08-21 04:14 ------- (In reply to comment #2) > How are they are not commutative with respect of the NaNs? Is it only when > both are operands are NaNs, it causes an issue? > Yes, only when both operands and NaNs with SSE FP. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45365