[PATCH]: Fix PR tree-optimization/27755, add partial anticipation

[Daniel Berlin]

On 11/15/06, Paolo Bonzini <paolo.bonzini@lu.unisi.ch> wrote:
>
> > O3 is supposed to be optimizing harder than O2, and make more of a
> > space-speed tradeoff.
> > That is what partial anticipation is doing.
>
> Would you accept a patch adding a flag such as -ftree-ppre?

Sure, but i don't think there would be any users who would use it.

>
> If so, I can work on it.
>
> Paolo
>