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Re: gcc loop unrolling problem ??
> Jan Hubicka wrote:
> >The bound on 8 unrollings is pretty artifical. We do have other bound
> >specifying the size of loop to reach. Perhaps you can try benchmark on
> >the code and tell us how it works when the loop is unrolled 9 times.
>
> Will do in a few days.
>
> Is this a case that could eventually benefit from profile information?
Not with current code - it will just notice that loop rools 9 times and
then limit the unrolling to 8 by the parameter above.
Honza
>
>
> Thanks,
> Matt