On Saturday 11 November 2006 07:08, Piotr Pruszczak 
<p.pruszczak@pro.onet.pl> wrote about '[gentoo-amd64] x86 processor 
options for opteron 165':
> CFLAGS="-march= ????? -O2 -pipe"
>
> WHAT should I put into ?????
>
> my cpu is Opteron 165 (dual core)


From what I understand, -march=opteron is supported even when building 
32-bit code.
-- 
"If there's one thing we've established over the years,
it's that the vast majority of our users don't have the slightest
clue what's best for them in terms of package stability."
-- Gentoo Developer Ciaran McCreesh