> > It seems a lot of other ports suffer from the same problem though. > > I wonder which targets really do want to make a register live throughout > > the function? If none do, perhaps we should say that this macro is > > only meaningful once the epilogue has been generated. > > To answer my own question, I suppose VRSAVE is one. So I was wrong > about the target-independent "fix".
We have %i7 on the SPARC (register where the return address register is saved). -- Eric Botcazou