[mips][microMIPSr6] Implement ADD, ADDU and ADDIU instructions
Differential Revision: http://reviews.llvm.org/D8704


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236111 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed