Re: [gentoo-amd64] Re: sempron make options

[Alvin Thompson <alvin-gentoo@thompsonlogic.com>]

On Sat, 2005-09-24 at 05:13 -0700, Duncan wrote:
> To date (thru 4.0.1), gcc treats all the amd64 family the same -- they are
> all aliased to each other, so to with them, it doesn't matter.

so i should use the x86 version of gentoo with amd64 make flags? does
that mean i need to somehow use gcc 4.0.1 when bootstrapping?

> I've seen some debate on the the newer processors, however, which have
> sse3, sempron included, AFAIK, and can't say I know enough about that to
> say for sure what's best there.  For the vast majority of packages, any of
> the amd64 aliases will be optimal as they'd not likely use sse3 anyway. 
> The exception would be any heavy multimedia or video, particularly
> encoding and decoding, but also possibly xorg/mesa.  On that stuff, sse3
> could make a difference and I don't know what would be best. (Note that in
> practice, support for sse3, as the newest addition in any case, may not be
> fully optimized yet, particularly on 64-bit. Look for better support there
> by gcc 4.1 or 4.2, after the potential of gcc 4 has had some time to
> mature as well.)

err, that's just confusing me so i'll just ignore it. :)

thanks,
alvin

-- 
Alvin Thompson

Navy: 42
Army: 13

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