Date: Thu, 16 Aug 2001 18:34:38 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Juha Saarinen <juha@saarinen.org> Cc: 'Kenneth W Cochran' <kwc@world.std.com>, 'Kris Kennaway' <kris@obsecurity.org>, freebsd-stable@FreeBSD.ORG Subject: Re: New kernel option CPU_ENABLE_SSE Message-ID: <20010816183438.A81246@xor.obsecurity.org> In-Reply-To: <01ef01c1269f$4f5635b0$0a01a8c0@den2>; from juha@saarinen.org on Fri, Aug 17, 2001 at 10:03:41AM %2B1200 References: <200108162200.SAA21031@world.std.com> <01ef01c1269f$4f5635b0$0a01a8c0@den2>
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--mP3DRpeJDSE+ciuQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 17, 2001 at 10:03:41AM +1200, Juha Saarinen wrote: > Go to Intel's Web site? >=20 > Pentium 4, for instance, comes with SSE2. >=20 > Is there anything in the FreeBSD OS code that makes use of SSE? No. There are one or two ports which have SSE asm code as an option, but I don't think they've been changed to use it where applicable (i.e. based on CPUTYPE). The kernel mods are just to allow software to use SSE at all (saving and restoring registers properly on context switch, etc). Kris --mP3DRpeJDSE+ciuQ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7fHStWry0BWjoQKURAoS/AKD6dfADOwuJcfx5N8e+oUr2Rz+DxACgj7cm J1ooNeSU2PPlgcW5DM5XMIQ= =ojJd -----END PGP SIGNATURE----- --mP3DRpeJDSE+ciuQ-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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