1452 static void gen_special_dispatch(MacroAssembler* masm,
1453 methodHandle method,
1454 const BasicType* sig_bt,
1455 const VMRegPair* regs) {
1456 verify_oop_args(masm, method, sig_bt, regs);
1457 vmIntrinsics::ID iid = method->intrinsic_id();
1458
1459 // Now write the args into the outgoing interpreter space
1460 bool has_receiver = false;
1461 Register receiver_reg = noreg;
1462 int member_arg_pos = -1;
1463 Register member_reg = noreg;
1464 int ref_kind = MethodHandles::signature_polymorphic_intrinsic_ref_kind(iid);
1465 if (ref_kind != 0) {
1466 member_arg_pos = method->size_of_parameters() - 1; // trailing MemberName argument
1467 member_reg = rbx; // known to be free at this point
1468 has_receiver = MethodHandles::ref_kind_has_receiver(ref_kind);
1469 } else if (iid == vmIntrinsics::_invokeBasic) {
1470 has_receiver = true;
1471 } else {
1472 fatal(err_msg_res("unexpected intrinsic id %d", iid));
1473 }
1474
1475 if (member_reg != noreg) {
1476 // Load the member_arg into register, if necessary.
1477 SharedRuntime::check_member_name_argument_is_last_argument(method, sig_bt, regs);
1478 VMReg r = regs[member_arg_pos].first();
1479 if (r->is_stack()) {
1480 __ movptr(member_reg, Address(rsp, r->reg2stack() * VMRegImpl::stack_slot_size + wordSize));
1481 } else {
1482 // no data motion is needed
1483 member_reg = r->as_Register();
1484 }
1485 }
1486
1487 if (has_receiver) {
1488 // Make sure the receiver is loaded into a register.
1489 assert(method->size_of_parameters() > 0, "oob");
1490 assert(sig_bt[0] == T_OBJECT, "receiver argument must be an object");
1491 VMReg r = regs[0].first();
1492 assert(r->is_valid(), "bad receiver arg");
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1452 static void gen_special_dispatch(MacroAssembler* masm,
1453 methodHandle method,
1454 const BasicType* sig_bt,
1455 const VMRegPair* regs) {
1456 verify_oop_args(masm, method, sig_bt, regs);
1457 vmIntrinsics::ID iid = method->intrinsic_id();
1458
1459 // Now write the args into the outgoing interpreter space
1460 bool has_receiver = false;
1461 Register receiver_reg = noreg;
1462 int member_arg_pos = -1;
1463 Register member_reg = noreg;
1464 int ref_kind = MethodHandles::signature_polymorphic_intrinsic_ref_kind(iid);
1465 if (ref_kind != 0) {
1466 member_arg_pos = method->size_of_parameters() - 1; // trailing MemberName argument
1467 member_reg = rbx; // known to be free at this point
1468 has_receiver = MethodHandles::ref_kind_has_receiver(ref_kind);
1469 } else if (iid == vmIntrinsics::_invokeBasic) {
1470 has_receiver = true;
1471 } else {
1472 fatal("unexpected intrinsic id %d", iid);
1473 }
1474
1475 if (member_reg != noreg) {
1476 // Load the member_arg into register, if necessary.
1477 SharedRuntime::check_member_name_argument_is_last_argument(method, sig_bt, regs);
1478 VMReg r = regs[member_arg_pos].first();
1479 if (r->is_stack()) {
1480 __ movptr(member_reg, Address(rsp, r->reg2stack() * VMRegImpl::stack_slot_size + wordSize));
1481 } else {
1482 // no data motion is needed
1483 member_reg = r->as_Register();
1484 }
1485 }
1486
1487 if (has_receiver) {
1488 // Make sure the receiver is loaded into a register.
1489 assert(method->size_of_parameters() > 0, "oob");
1490 assert(sig_bt[0] == T_OBJECT, "receiver argument must be an object");
1491 VMReg r = regs[0].first();
1492 assert(r->is_valid(), "bad receiver arg");
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