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Re: [RFC] Enabling loop unrolls at -O3?

Richard Guenther <richard.guenther@gmail.com> wrote:

>> My feeling is that -funroll-loops is almost always an improvement. It
might
>> be false sometimes, but this can be said of many optimization passes.
>
> Can you back up this feeling with numbers?  SPEC -O2
vs. -O2 -funroll-loops
> and/or -O3 vs. -O3 -funroll-loops would do it.


I don't have access to SPEC, sorry. I believe you do, though?
-- 
Giovanni Bajo
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