ref: 182366c736fe59275efa5048ac2ed527ef90470c
parent: e7f2aa0fb86855c617aca1586e10722eed21d2d1
author: hkuang <hkuang@google.com>
date: Thu Sep 12 07:45:15 EDT 2013
Add neon optimize iht8x8 which is 282% faster than C. Change-Id: I963dd4a6e8671957403ccbb9a16ea7de703e3530