From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8342 invoked by alias); 15 Jan 2010 21:59:15 -0000 Received: (qmail 8296 invoked by uid 48); 15 Jan 2010 21:59:03 -0000 Date: Fri, 15 Jan 2010 21:59:00 -0000 Message-ID: <20100115215903.8295.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/42691] [4.4/4.5 regression] problematic REG_EQUAL note added to SUBREG In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jakub 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: 2010-01/txt/msg01926.txt.bz2 ------- Comment #21 from jakub at gcc dot gnu dot org 2010-01-15 21:59 ------- FYI, if you always want to test a NaN, you'd need to use big endian ordering for some arches, plus there are targets which don't support NaN at all or where a double isn't as big as 4 shorts. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42691