An electronic system (2001) for manipulating an input data argument (D[31:0]) comprising an integer number of bits. The system comprises an input (R) for receiving a right direction argument and an input (L) for receiving a left direction argument. The system also comprises circuitry (200) for producing...http://www.google.com.tw/patents/US7409415?utm_source=gb-gplus-share專利 US7409415 - Processor system with efficient shift operations including EXTRACT operation
