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Date: Sun, 29 Jan 2006 16:33:22 -0500
From: Kris Kennaway <kris@obsecurity.org>
To: Norberto Meijome <freebsd@meijome.net>
Message-ID: <20060129213322.GA89801@xor.obsecurity.org>
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Cc: FreeBSD Questions <freebsd-questions@freebsd.org>
Subject: Re: gcc options when building kernel
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On Mon, Jan 30, 2006 at 08:27:29AM +1100, Norberto Meijome wrote:
> Hi all,
> I'm rebuilding my kernel and I noticed some gcc (I believe ) options=20
> being used that I don't think I set anyway.
>=20
> The options are :
> -mno-mmx -mno-3dnow -mno-sse -mno-sse2
>=20
> Does this mean that the kernel won't make use of these cpu features,=20
> even though they are supported by the cpu (see below)

Yes, since you *can't* use them in the FreeBSD kernel.  google for
more discussion.

Kris

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