Date: Thu, 20 Dec 2007 20:39:50 +1100 From: Peter Jeremy <peterjeremy@optushome.com.au> To: Carl Shapiro <carl.shapiro@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: critical floating point incompatibility Message-ID: <20071220093950.GA79196@server.vk2pj.dyndns.org> In-Reply-To: <4dcb5abd0712192140w29fd39fh53b09fdd4d20e880@mail.gmail.com> References: <4dcb5abd0712192140w29fd39fh53b09fdd4d20e880@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--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--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20071220093950.GA79196>