Hi! On Fri, Jun 10, 2022 at 01:32:58PM +1000, Rohan McLure wrote: > > On 2 Jun 2022, at 2:00 am, Segher Boessenkool <seg...@kernel.crashing.org> > > wrote: > > This is for unary operations, not binary operations (there is only one > > item on the RHS). You can in principle put a string "a,b" in the rhs > > parameter, but in practice you need a or b to depend on the loop counter > > as well, so even such trickiness won't do. Make the naming less > > confusing, maybe? Or don't have an unused extra level of abstraction in > > the first place :-)
> Yep I see how having a macro to perform rX = rX <> Y for arbitrary infix <> > and operand > is unlikely to find much use outside of ZERO_GPRS. Aha. On PowerPC (like on most RISC-like architectures) all the normal instructions are rD := rA OP rB, not rD := rD OP rA. It looks like that is our disconnect :-) Segher