[PowerPC] Also add "msync" alias

This adds an alias for "msync" (which is used on Book E
systems instead of "sync").



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185375 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Reverse the order of source operands of shift and rotate instructions that
have three register operands.

No intended functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185376 91177308-0d34-0410-b5e6-96231b3b80d8