From owner-freebsd-hackers@FreeBSD.ORG Thu Dec 20 09:39:53 2007 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0123C16A421 for ; Thu, 20 Dec 2007 09:39:53 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from mail13.syd.optusnet.com.au (mail13.syd.optusnet.com.au [211.29.132.194]) by mx1.freebsd.org (Postfix) with ESMTP id 913DD13C4D1 for ; Thu, 20 Dec 2007 09:39:52 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from server.vk2pj.dyndns.org (c220-239-20-82.belrs4.nsw.optusnet.com.au [220.239.20.82]) by mail13.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id lBK9doOe021068 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 20 Dec 2007 20:39:51 +1100 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by server.vk2pj.dyndns.org (8.14.1/8.14.1) with ESMTP id lBK9do1A064871; Thu, 20 Dec 2007 20:39:50 +1100 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.1/8.14.1/Submit) id lBK9do8X064870; Thu, 20 Dec 2007 20:39:50 +1100 (EST) (envelope-from peter) Date: Thu, 20 Dec 2007 20:39:50 +1100 From: Peter Jeremy To: Carl Shapiro Message-ID: <20071220093950.GA79196@server.vk2pj.dyndns.org> References: <4dcb5abd0712192140w29fd39fh53b09fdd4d20e880@mail.gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="1LKvkjL3sHcu1TtY" Content-Disposition: inline In-Reply-To: <4dcb5abd0712192140w29fd39fh53b09fdd4d20e880@mail.gmail.com> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.16 (2007-06-09) Cc: freebsd-hackers@freebsd.org Subject: Re: critical floating point incompatibility X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Dec 2007 09:39:53 -0000 --1LKvkjL3sHcu1TtY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Dec 19, 2007 at 09:40:34PM -0800, Carl Shapiro wrote: >The default setting of the x87 floating point control word on the i386 >port is 0x127F. Among other things, this value sets the precision >control to double precision. The default setting of the x87 floating >point control word on the AMD64 is 0x37F. =2E.. >It seems clear that the right thing to do is to set the floating point >environment to the i386 default for i386 binaries. Is the current >behavior intended? I believe this is an oversight. See the thread beginning http://lists.freebsd.org/pipermail/freebsd-stable/2007-November/037947.html --=20 Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. --1LKvkjL3sHcu1TtY Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFHajhm/opHv/APuIcRAjO0AJ94i7/KSBCDcQrzJ+QVhVOC4I/4jACfWTJB Nio6tr4HQ50r6Kc6slvbJ4U= =e1// -----END PGP SIGNATURE----- --1LKvkjL3sHcu1TtY--