ref: 3bbec7b42251b413b976658bfe9886bf99d7c5e8
parent: 27c9577f8ec98f9cdce8dd55fe780adadf219920
parent: 7ee58985bd080bff50149dfd2f2ab373a55650a0
author: Jingning Han <jingning@google.com>
date: Tue Oct 7 11:33:52 EDT 2014
Merge "Replace mi_width_log2() with mi_width_log2_lookup table"