Re: CPUTYPE=pentium-m

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From
David O'Brien <obrien@freebsd.org>
Date
15 Mar 2005 20:40:05
Subject
Re: CPUTYPE=pentium-m
Message-ID
20050315203959.GB41996@dragon.NUXI.org


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On Tue, Mar 15, 2005 at 01:41:55PM -0600, Jon Noack wrote:
> David O'Brien wrote:
> >On Sat, Mar 12, 2005 at 10:48:52PM +0100, Bartosz Fabianowski wrote:
> >>>Are you saying, all we need to do is commit this diff to make everyone's
> >>>environment happy?
> >
> >Can you try with just -mno-sse2? I'd like to litter the compile command
> >line as little as possible.
>
> I had this issue a while back with my Athlon-XP box
> (http://lists.freebsd.org/pipermail/freebsd-current/2004-November/042127.html).
> Note that I would get instant reboots with CPUTYPE?=athlon-xp, CPUTYPE?=p3,
> and CPUTYPE?=p2. However, it worked fine with CPUTYPE?=k6-2. I think you
> are right to be cautious and disable anything that uses FP registers.

I remember that problem but I don't know why I don't experience it, since
I also use CPUTYPE=athlon-mp on my home desktop. I suspect the problem
is SSE2 usage, which the Althon {X,M}P doesn't support.

--
-- David (obrien@FreeBSD.org)


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