[mips][mips64r6] Add Floating Point Compare setting Mask - CMP.condn.fmt
Differential Revision: http://reviews.llvm.org/D3750


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208970 91177308-0d34-0410-b5e6-96231b3b80d8