1. A processor comprising: a destination storage location corresponding to a first register; an execution unit having circuitry to process a packed format values by converting a first packed first format value in a first format to a first plurality of second format values, the first packed first format value having at least three sub elements each having a first number of bits, each of the first plurality of second format values being a number represented in a second format and having a second number of bits which is greater than the first number of bits, the execution unit to store all of the first plurality of second format values into the first register.