SUBU             1210 src/mips/assembler-mips.cc   GenInstrRegister(SPECIAL, rs, rt, rd, 0, SUBU);
SUBU              258 src/mips/constants-mips.cc         case SUBU:
SUBU              693 src/mips/disasm-mips.cc         case SUBU:
SUBU             1820 src/mips/simulator-mips.cc         case SUBU: