Merge "MIPS: Support register pairs in CodeGeneratorMIPS::AddLocationAsTemp()." am: 95e54620f1 am: 06d5c2325e
am: edf96748fe

* commit 'edf96748febf1d185a235944637f5cafe61dfb31':
  MIPS: Support register pairs in CodeGeneratorMIPS::AddLocationAsTemp().