CPUTYPE for 32-bit mode?
thejemre at thejemreport.com
Thu May 27 19:34:34 PDT 2004
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
> 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.
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