On Wed, Apr 22, 2020 at 10:08 PM Jeff Law <l...@redhat.com> wrote: > > On Wed, 2020-04-22 at 22:01 +0530, Senthil Kumar via Gcc wrote: > > Hi, > > > > I'm thinking about attempting to do the CC0 transition for the > > AVR port in my spare time. I've read the CC0Transition gcc wiki > > page, and as the AVR ISA does not have non-condition-code > > clobbering arithmetic instructions, concluded that I'd have to > > follow the steps outlined for case #2. > > > > Are there any other things I need to watch out for? > Not offhand. You might want to look at how Bernd did the m68k though. I > think a > conceptually similar transition would be reasonable for AVR as well as the > alternative would be dropping the AVR port.
Hi Jeff, Thanks, I will take a look at Bernd's work. IIRC, he took a different approach from what was suggested in the wiki, right? And yes, my personal motivation to work on this is to keep the AVR port alive in upstream gcc. Regards Senthil
