namespace tensorflow {
namespace {

REGISTER_OP("MyAddN")
    .Input("inputs: N * T")
    .Output("sum: T")
    .Attr("N: int >= 1")
    .Attr("T: {numbertype, variant}")
    .SetIsCommutative()
    .SetIsAggregate()
    .SetShapeFn(shape_inference::UnchangedShape);

REGISTER_OP("RiscAddDummy")
    .Input("x: T")
    .Input("y: T")
    .Output("z: T")
    .Attr(