Instruction description contents changing device and instructions describing the contents change program

The present invention provides a device for changing instruction description. The device includes: a receiving unit that receives an instruction description instructing a processing to be executed by an executing unit and a location of the executing unit; a judging unit that judges whether or not the location instructed by the instruction description indicates a location of a predetermined utilizable executing unit; and a changing unit that changes the location instructed by the instruction description to the location of the predetermined utilizable executing unit which can execute the processing instructed by the instruction description, when the location instructed by the instruction description is not judged to indicate the location of the predetermined utilizable executing unit.