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    > > uninlining the code is too high a cost.
    > I question that. Athlon does branch prediction on call targets, function
    > calls are cheap. 3dnow saves 25%-50% of cycles on a copy. How many function
    > calls can be paid for with 1000 cycles or so?
    > My patch still inlines the standard string const_memcpy for the case of
    > small known length.

    We have a very large number of memcpy's of unknown short length (often in
    interrupts) that are close to branches. A lot of


    stuff for example.

    Im more than happy for someone to do the benches and prove me wrong

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