On Mon, 2004-09-06 at 13:47 -0400, Alan Cox wrote:
> em64t as Intel currently call it is pretty close to the x86-64 architecture
> so its not too bad a clone. It lacks prefetch/prefetchw which can also be
> used by some fancy user space stuff like image processors.
Er, EM64T provides the SSE prefetch{nta,t[012]} instructions, which are
somewhat more expressive than prefetch anyway, and which also run on AMD
chips. Shame about the lack of a prefetchw analogue, but it's hardly a
surprise that Intel isn't implementing 3dnow.
<b
