Merge changes I89ce12b6,Id91b52d6,Icd7d4453
authorJames Zern <jzern@google.com>
Fri, 8 Jun 2018 06:15:24 +0000 (06:15 +0000)
committerGerrit Code Review <noreply-gerritcodereview@google.com>
Fri, 8 Jun 2018 06:15:24 +0000 (06:15 +0000)
* changes:
  Implement subtract_block for VSX
  Cast bsize as int to print a meaninful debug info
  Speed test for subtract_block


Trivial merge