Commits
fbarchard@google.com committed c70c7c02ff7
scale to half size optimization for avx2 - use pmaddubsw instruction to horizontally add bytes, then pavgw to round and divide by 2. BUG=314 TESTED=libyuvTest.ScaleDownBy2* R=tpsiaki@google.com Review URL: https://webrtc-codereview.appspot.com/45909004 git-svn-id: http://libyuv.googlecode.com/svn/trunk@1352 16f28f9a-4ce2-e073-06de-1de4eb20be90