On Tue, May 28, 2024 at 02:09:50PM +0200, Richard Biener wrote: > On Tue, May 28, 2024 at 9:09 AM Kewen.Lin <li...@linux.ibm.com> wrote: > > As Haochen's previous reply, I think there are three cases: > > 1) no optab defined, fold in a generic way; > > 2) optab defined, SUCC, expand as what it defines; > > 3) optab defined, FAIL, generate a library call; > > > > From above, I had the concern that ports may assume FAILing can > > fall back with the generic folding, but it's not actually. > > Hmm, but it should. Can you make that work?
That certainly would be the least surprising! Segher
