On Mon, Jul 21, 2003 at 06:16:20PM +0900, Jason Stubbs wrote:
> I'm not certain of this so you'll need to check your what your CPU supports,
> which the kernel outputs during start-up. I'm pretty sure the Pentium-III
> supports mmx, mmx2 and sse - I think it was the P4 that brought in sse2. If
> that is the case then the code will all work on the Athlon; it just won't be
> optimized for its cache sizes, etc.
Oh that's interesting... so the march is really just saying what kind of extra
instruction sets are supported? So for example if I had compiled everything
with 3dnow on an athlon and plugged it into a pentium it would really only
fail because of the 3dnow instructions, and not because they're different in
any other specfic way?
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