Replace more uses of sse41 with sse4.1.

llc using the host cpu features and *waning* on unknown features is probably
not a good thing :-(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189144 91177308-0d34-0410-b5e6-96231b3b80d8
39 files changed