A prototype loop reverser for the scalarizer

[Daniel Berlin]

On 10/8/06, Steven Bosscher <stevenb.gcc@gmail.com> wrote:
> On Sunday 08 October 2006 13:31, Paul Thomas wrote:
> > I do not seem able to make |ftree-loop-linear do loop revresal for me.
> > Should this not effect the same transformation, or have I misunderstood
> > something?
>
> IRIC, loop reversal is not yet implemented in the framework of
> -ftree-loop-linear optimizations.  Dan Berlin knows more about that,
> I suppose.
>

It is implemented, in terms of "if you tell it to reverse a loop, it
will". None of the heuristics tell it to reverse a loop right now,
however. :)