powerpc: Fix a few rules to handle multiple vector elements

4 jobs for fix_ppc in 1 minute and 12 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #607816
debian sid

00:00:41

passed #607819
docker windows 1607
msys2

00:01:05

passed #607817
docker windows 1607
vs2017 amd64

00:01:11

passed #607818
docker windows 1607
vs2017 x86

00:01:07