This adds all remaining instructions that were still missing, mostly
privileged and semi-privileged system-level instructions. These are
provided for use with the assembler and disassembler only.
This brings the LLVM assembler / disassembler to parity with the
GNU binutils tools.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306876 91177308-0d34-0410-b5e6-96231b3b80d8
