[Sparc] Lower and MachineInstr to MC and print assembly using MCInstPrinter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198030 91177308-0d34-0410-b5e6-96231b3b80d8
ARM IAS: support .even directive

The .even directive aligns content to an evan-numbered address.  This is an ARM
specific directive applicable to any section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198031 91177308-0d34-0410-b5e6-96231b3b80d8