[PATCH v4 2/3] Add predict_doloop_p target hook

[Richard Biener]

On Mon, 17 Jun 2019, Kewen.Lin wrote:

> Hi Segher and Bill,
> 
> Thanks a lot for your review comments! I've updated the patch accordingly.
> 
> The updated one attached.

OK.  I suppose all low-overhead loop instructions use a decrement to zero
style iterator?

Thanks,
Richard.