Re: [PATCH] [RFC] [2.5 i386] GCC 3.1 -march support, PPRO_FENCE reduction, prefetch fixes and other CPU-related changes

From: Luca Barbieri (
Date: Sun Aug 04 2002 - 10:43:23 EST

> is there really support for SSE prefetch in athlons _without_ SSE?!
> I don't know but this seems wrong...
Yes, according to
AMD added several intructions in Athlons including movntq, sfence and
The last 4 instructions are what I call "SSE prefetch" (they could
called MMXEXT prefetch instead, but it's not much better).

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