Anupam Chattopadhyay Diandian Zhang David Kammler Ernst Martin Witte Power-efficient Instruction Encoding Optimization for Embedded Processors. 595-600 2007 conf/vlsid/2007 VLSI Design http://doi.ieeecomputersociety.org/10.1109/VLSID.2007.129 db/conf/vlsid/vlsid2007.html#ChattopadhyayZKW07