1239               result /* pre_val */,
1240               false  /* do_load */,
1241               false  /* patch */,
1242               NULL   /* info */);
1243 }
1244 
1245 // Example: object.getClass ()
1246 void LIRGenerator::do_getClass(Intrinsic* x) {
1247   assert(x->number_of_arguments() == 1, "wrong type");
1248 
1249   LIRItem rcvr(x->argument_at(0), this);
1250   rcvr.load_item();
1251   LIR_Opr result = rlock_result(x);
1252 
1253   // need to perform the null check on the rcvr
1254   CodeEmitInfo* info = NULL;
1255   if (x->needs_null_check()) {
1256     info = state_for(x);
1257   }
1258   __ move(new LIR_Address(rcvr.result(), oopDesc::klass_offset_in_bytes(), T_OBJECT), result, info);
1259   __ move_wide(new LIR_Address(result, Klass::java_mirror_offset_in_bytes() +
1260                                klassOopDesc::klass_part_offset_in_bytes(), T_OBJECT), result);
1261 }
1262 
1263 
1264 // Example: Thread.currentThread()
1265 void LIRGenerator::do_currentThread(Intrinsic* x) {
1266   assert(x->number_of_arguments() == 0, "wrong type");
1267   LIR_Opr reg = rlock_result(x);
1268   __ move_wide(new LIR_Address(getThreadPointer(), in_bytes(JavaThread::threadObj_offset()), T_OBJECT), reg);
1269 }
1270 
1271 
1272 void LIRGenerator::do_RegisterFinalizer(Intrinsic* x) {
1273   assert(x->number_of_arguments() == 1, "wrong type");
1274   LIRItem receiver(x->argument_at(0), this);
1275 
1276   receiver.load_item();
1277   BasicTypeList signature;
1278   signature.append(T_OBJECT); // receiver
1279   LIR_OprList* args = new LIR_OprList();
1280   args->append(receiver.result());

1239               result /* pre_val */,
1240               false  /* do_load */,
1241               false  /* patch */,
1242               NULL   /* info */);
1243 }
1244 
1245 // Example: object.getClass ()
1246 void LIRGenerator::do_getClass(Intrinsic* x) {
1247   assert(x->number_of_arguments() == 1, "wrong type");
1248 
1249   LIRItem rcvr(x->argument_at(0), this);
1250   rcvr.load_item();
1251   LIR_Opr result = rlock_result(x);
1252 
1253   // need to perform the null check on the rcvr
1254   CodeEmitInfo* info = NULL;
1255   if (x->needs_null_check()) {
1256     info = state_for(x);
1257   }
1258   __ move(new LIR_Address(rcvr.result(), oopDesc::klass_offset_in_bytes(), T_OBJECT), result, info);
1259   __ move_wide(new LIR_Address(result, Klass::java_mirror_offset_in_bytes(), T_OBJECT), result);

1260 }
1261 
1262 
1263 // Example: Thread.currentThread()
1264 void LIRGenerator::do_currentThread(Intrinsic* x) {
1265   assert(x->number_of_arguments() == 0, "wrong type");
1266   LIR_Opr reg = rlock_result(x);
1267   __ move_wide(new LIR_Address(getThreadPointer(), in_bytes(JavaThread::threadObj_offset()), T_OBJECT), reg);
1268 }
1269 
1270 
1271 void LIRGenerator::do_RegisterFinalizer(Intrinsic* x) {
1272   assert(x->number_of_arguments() == 1, "wrong type");
1273   LIRItem receiver(x->argument_at(0), this);
1274 
1275   receiver.load_item();
1276   BasicTypeList signature;
1277   signature.append(T_OBJECT); // receiver
1278   LIR_OprList* args = new LIR_OprList();
1279   args->append(receiver.result());