Use patterns to remove some duplicate instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198550 91177308-0d34-0410-b5e6-96231b3b80d8
Add the other form of movq xmm,xmm for the disassembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198551 91177308-0d34-0410-b5e6-96231b3b80d8