asm.emitCALL_RegDisp(JTOC, VM_Entrypoints.instanceOfMethod.getOffsetAsInt());
asm.emitCALL_RegDisp(JTOC, VM_Entrypoints.instanceOfMethod.getOffset());
  protected final void emit_instanceof(VM_TypeReference typeRef) {    asm.emitPUSH_Imm(typeRef.getId());    genParameterRegisterLoad(2);          // pass 2 parameter words    asm.emitCALL_RegDisp(JTOC, VM_Entrypoints.instanceOfMethod.getOffsetAsInt());    asm.emitPUSH_Reg(T0);  }