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Re: i486 base architecture



On Mon, 2004-11-29 at 10:32 +0100, Arjan van de Ven wrote:
> branch prediction on p4 actually takes hints from the compiler now ;)

That turned out to be useless, Intel no longer recommends it (or even
documents it, IIRC). I'm not sure if gcc still generates the hints when
targeting P4s.
 
> we *already* optimize for i686 even in the i386 rpms

I meant in terms of using i686 specific instructions (i.e. SSE, SSE2,
etc.), not i686 instruction scheduling.

-- 
Nicholas Miell <nmiell comcast net>


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