On Fri, Jan 21, 2011 at 7:43 PM, H.J. Lu <hjl.to...@gmail.com> wrote:
> Hi,
>
> SInce -O3 turns on vectorizer, should it also turn on
> -funroll-loops?

We need to split the tree and RTL effects of -funroll-loops
(and -fpeel-loops).  -funroll-loops can at the moment lead
to unneccessary code bloat.  But yes, something to consider
for 4.7.

Richard.

> --
> H.J.
>

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