On Tue, Apr 30, 2019 at 12:06 PM Jakub Jelinek <ja...@redhat.com> wrote: > I think you can e.g. have a look at what alpha does in > alpha_split_compare_and_swap_12, it doesn't have a hw 8-bit or 16-bit > compare and swap either.
Thanks. I had noticed that the rs6000 port had what I needed, but looking the alpha one too is a good idea, as that one might be closer in design to the RISC-V architecture since both are similar to MIPS. Jim