gcc loop unrolling problem ??

[Jan Hubicka]

> 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