mkCmmCall :: CmmExpr -> [CmmFormal] -> [CmmActual] -> UpdFrameOffset
          -> FCode CmmAGraph
mkCmmCall f results actuals updfr_off
   = mkCall f (NativeDirectCall, NativeReturn) results actuals updfr_off []
mkCmmCall :: CmmExpr -> [CmmFormal] -> [CmmActual] -> UpdFrameOffset
          -> FCode CmmAGraph
mkCmmCall f results actuals updfr_off
   = mkCall f (NativeDirectCall, NativeReturn) results actuals updfr_off []
mkCmmCall f results actuals updfr_off
   = mkCall f (NativeDirectCall, NativeReturn) results actuals updfr_off []