Scheduling of asm()
Paul Koning
pkoning@equallogic.com
Sat Jan 5 08:18:00 GMT 2002
Excerpt of message (sent 5 January 2002) by Jakub Jelinek:
> On Fri, Jan 04, 2002 at 05:55:52PM -0500, Paul Koning wrote:
> > An example valid for MIPS (and for Alpha as well, if I remember
> > correctly) is the Prefetch instruction.
>
> Wrong example.
> Try -fprefetch-array-loops or __builtin_prefetch().
Ok, point taken. The compiler *can* generate these things if the md
file allows for it (mips.md doesn't -- so I made an unwarranted
generalization and produced a bad example).
paul
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