From owner-cvs-all  Tue Feb 12 14:16:25 2002
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From: "David W. Chapman Jr." <dwcjr@inethouston.net>
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Subject: Re: cvs commit: src/sys/conf options.i386 options.pc98 src/sys/i386/conf NOTES src/sys/i386/i386 initcpu.c 
Date: Tue, 12 Feb 2002 16:16:25 -0600
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> Look at the Features line in /var/run/dmesg.boot and see if it
> contains SSE:
>
>
Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,
PAT
> ,PSE36,MMX,FXSR,SSE>
>
> If it doesn't then the BIOS may have forgotten. If you check the
> "Id = " number on the previous line of dmesg.boot and the id looks
> like "0x66y" or "0x67y" then this patch should help.
>
> To actually use SSE within FreeBSD you'll need the CPU_ENABLE_SSE
> option too.

Thanks for the info.  I'm asking mainly for CPUTYPE optomization when
building applications under freebsd.  I hear that CPUTYPE=i686 apps might
actually run faster than CPUTYPE=althon but I think that is because our
current GCC doesn't have better optomizations for althons.


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