Instructions "vector floating point test data class immediate"

An instruction "Vector Floating Point Test Data Class Immediate" is provided, which determines whether one or more elements of a vector specified in the statement are one or more selected associated classes and sign. When a vector element has a selected class and a selected sign, an element is set in an operand of the instruction corresponding to the vector element on a first defined value and when the vector element does not have the selected class and the selected sign, the operand member corresponding to the vector element is set to a second defined value.