__PVOP_CALL
__PVOP_CALL(rettype, array, op)
__PVOP_CALL(rettype, array, op, PVOP_CALL_ARG1(arg1))
__PVOP_CALL(rettype, array, op, PVOP_CALL_ARG1(arg1), PVOP_CALL_ARG2(arg2))
__PVOP_CALL(rettype, array, op, PVOP_CALL_ARG1(arg1), \
__PVOP_CALL(rettype, array, op, \