ref: d0e687bf8cf0c8939f385d6eaa87efa1984d5c99
parent: 57566ff24adbf8109414ea908585cc5edec3ac70
author: Linfeng Zhang <linfengz@google.com>
date: Wed May 11 06:46:46 EDT 2016
remove mmx sad functions there are sse2 equivalents which is a reasonable modern baseline Change-Id: Ibbe536a5ad1c2cccef6bdcc75c13b3dde35a56ba