[PowerPC] auto-generate full checks and increase test coverage

3 of the tests were testing exactly the same thing: memcmp(x, y, 16) != 0.
I changed that to test 4, 7, and 16 bytes, so we can see how those differ.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304838 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed