Don't disable MMX support when AVX is enabled. Fix predicates for MMX instructions that were added along with SSE instructions to check for AVX in addition to SSE level.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147762 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed