[X86] Use VMOVDQA64 for aligned vXi32 stores.

I meant to do this with the unaligned stores in r322820, but looks like I missed it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323708 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed