[mips] brcond + setgt/setugt instruction selection patterns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183334 91177308-0d34-0410-b5e6-96231b3b80d8
yaml2obj: split out COFF logic into separate file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183335 91177308-0d34-0410-b5e6-96231b3b80d8