CPUTYPE for 32-bit mode?

[Jem Matzan]

Andrew Houghton wrote:

> Not necessarily the best place to ask this question, but..
> What, if any, CPUTYPE setting in /etc/make.conf makes sense for an 
> opteron running in i386 mode?  I'm not sure how much tuning GCC 3.3.3 
> actually provides when fiddling with things like this, so maybe it 
> doesn't matter.  I would use k8 or opteron, but neither are listed as 
> options in /usr/share/examples/etc/make.conf.  athlon-xp and athlon-4 
> seem the next best bet, with (I think) athlon-4 edging out athlon-xp 
> due to support for SSE2 instruction sets.
>
> Should I even bother with this?
>
> - a.
> _______________________________________________
> freebsd-amd64 at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-amd64
> To unsubscribe, send any mail to "freebsd-amd64-unsubscribe at freebsd.org"
>
>
athlon-xp will definitely work.

But since the AMD64 architecture uses SSE2 and MMX instructions, you 
could also use p4. There might be a problem that I'm not seeing by using 
the p4 type, but in theory it should work perfectly.

-Jem