[PATCH] Move Graphite from using PPL over to ISL

[Tobias Grosser]

On 06/27/2012 05:06 PM, Richard Guenther wrote:
>
> This merges from the graphite branch the move of PPL to ISL,
> and completes it where it was lacking - thanks to Micha.
> It leaves unmerged the addition of a pluto-like ISL optimizer
> as well as a bugfix for stride>  1 which did not come with
> a testcase.
>
> With this patch (ontop of the one requiring ClooG 0.17.0)
> we will require ISL 0.10 for enabling Graphite.
>
> I've bootstrapped and built various combinations with in-tree
> and out-of-tree cloog and ISL, so I'm pretty confident that
> this works.
>
> With out-of-tree ClooG and ISL a slightly older patch ontop of its
> prerequesite passed bootstrap and testing on x86_64-unknown-linux-gnu.
>
> Currently re-bootstrapping and testing on x86_64-unknown-linux-gnu.
>
> Ok for trunk?

Hi Richard, hi Micha,

thanks a lot for pushing this forward. Especially the fast 
implementation of the interchange heuristic was impressive!
I am fine with the general goal and think the patch is close to get in, 
but I would like to give feedback on the interchange heuristic. I will 
try to review it today or tomorrow.

Thanks again!!

Tobias