GetRtField        503 src/mips/assembler-mips.cc   uint32_t rt_field = GetRtField(instr);
GetRtField        534 src/mips/assembler-mips.cc   uint32_t rt_field = GetRtField(instr);
GetRtField       2158 src/mips/assembler-mips.cc   uint32_t rt_code = GetRtField(instr2);
GetRtField        988 src/mips/assembler-mips.h   static uint32_t GetRtField(Instr instr);