ref: 15f50e7b4211fe50c5d0eac675d64afa09e5041f
parent: 1a5bb3cc76304bf46a2ca8d1c1ec9ec95e060759
author: Jingning Han <jingning@google.com>
date: Thu Jun 13 07:07:12 EDT 2013
Enable sse2 version of sad8x4/4x8 The encoding time for bus at CIF goes from 661s to 625s. This commit also enabled unit test of sad8x4/4x8 in sad_test.cc. Change-Id: If3d10ebb56bda584bdb69bcf056599d580b12cb1