>> For adding new features, a message to the mailing list is always better. > I wasn't sure about that so I just decided to send the changes. > You are right.
It is always a good idea, but very important during the rc phase.
> Now that we are in the mailing list, > I have some support for extended asm that I'm not completely confident about. > I'll attach the patch, I would appreciate if you could take a look to it. > More specifically I'm not sure about how to choose the priority of the constraints, > and there's some code in `subst_asm_operand` that I'm not sure about
Unfortunately, i do not know riscv assembly good enough to help here.