ref: 9e5811f485af7b4b82f6e91329c6997363df7a40
parent: 66a3438602eb0f828f1533cd12d97cdf7c38dfa8
parent: b23bd2360fec25c1a10bf4aae2ede3568dbc80e9
author: Johann Koenig <johannkoenig@chromium.org>
date: Mon May 9 14:38:58 EDT 2016
Merge changes Id13b97f4,I1d342725 * changes: The subfunctions are only defined for sse2 Unlike non-hbd variance, opt2 is never used