G PHYSICS
G06 COMPUTING OR CALCULATING; COUNTING
G06F ELECTRIC DIGITAL DATA PROCESSING
9/00 Arrangements for program control, e.g. control units
G06F9/06 using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
G06F9/30 Arrangements for executing machine instructions, e.g. instruction decode
G06F9/30003 Arrangements for executing specific machine instructions
G06F9/30076 to perform miscellaneous control operations, e.g. NOP
G06F9/30079 Pipeline control instructions, e.g. multicycle NOP