Richard Sandiford <richard.sandif...@linaro.org> writes: > Chung-Lin Tang <clt...@codesourcery.com> writes: >> My fix here simply adds 'reload_completed' as an additional condition >> for EPILOGUE_USES to return true for LR_REGNUM. I think this should be >> valid, as correct LR save/restoring is handled by the epilogue/prologue >> code; it should be safe for IRA to treat it as a normal call-used register. > > FWIW, epilogue_completed might be a more accurate choice.
I still stand by this, although I realise no other target does it. > 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". Richard
