On Mon, Jun 17, 2019 at 10:51:49AM +0200, Richard Biener wrote: > 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?
The documentation says decrement to 0, decrement to -1, and decrement to any negative are all supported. But all are decrement, yes. Segher