tree 200c7937e620e59161c37bf6219a7b395c8fac68
parent 4993158ee5120b05dfee5cba23d45369c97b7df6
author James Zern <jzern@google.com> 1447917447 -0800
committer James Zern <jzern@google.com> 1448058938 -0800

vp9_satd: return an int

the final sum may use up to 26 bits

+ add a unit test
+ disable the sse2 as the result will rollover; this will be fixed in a
future commit

Change-Id: I2a49811dfaa06abfd9fa1e1e65ed7cd68e4c97ce