A 32-bit instruction 50 is composed of a 4-bit format field 51, a 4-bit operation field 52, and two 12-bit operation fields 59 and 60. The 4-bit operation field 52 can only include (1) an operation code “cc” that indicates a branch operation which uses a stored value of the implicitly indicated constant...http://www.google.com.tw/patents/US7533243?utm_source=gb-gplus-share專利 US7533243 - Processor for executing highly efficient VLIW
