[PATCH] data prefetch support and __builtin_prefetch (take 2)

Nick Clifton nickc@cambridge.redhat.com
Thu Dec 6 08:31:00 GMT 2001


Hi Richard,

> > I suppose it's too much to hope for that since it's not documented, no
> > one knows about it and it's not being used.
> 
> Possibly, I've no idea.  I think it was the Cygnus/Red Hat guys who added 
> this.  Nick, any idea if this feature is widely used by your customers?

To the best of my knowledge it is not being used by customers.  (But
then they never tell me when things work.  They only complain when
things break. :-})  I know that the assembler instruction is used in
some hand coded assembler routines, but that does not count.

Cheers
        Nick



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