3595
3596 // Outdated feature, and we don't support it.
3597 void TemplateTable::fast_invokevfinal(int byte_no) {
3598 transition(vtos, vtos);
3599 assert(byte_no == f2_byte, "use this argument");
3600 __ stop("fast_invokevfinal not used on linuxs390x");
3601 }
3602
3603 void TemplateTable::invokeinterface(int byte_no) {
3604 transition(vtos, vtos);
3605
3606 assert(byte_no == f1_byte, "use this argument");
3607 Register klass = Z_ARG2,
3608 method = Z_ARG3,
3609 interface = Z_ARG4,
3610 flags = Z_ARG5,
3611 receiver = Z_tmp_1;
3612
3613 BLOCK_COMMENT("invokeinterface {");
3614
3615 prepare_invoke(byte_no, interface, method, // Get f1 klassOop, f2 itable index.
3616 receiver, flags);
3617
3618 // Z_R14 (== Z_bytecode) : return entry
3619
3620 // Special case of invokeinterface called for virtual method of
3621 // java.lang.Object. See cpCacheOop.cpp for details.
3622 // This code isn't produced by javac, but could be produced by
3623 // another compliant java compiler.
3624 NearLabel notMethod, no_such_interface, no_such_method;
3625 __ testbit(flags, ConstantPoolCacheEntry::is_forced_virtual_shift);
3626 __ z_brz(notMethod);
3627 invokevirtual_helper(method, receiver, flags);
3628 __ bind(notMethod);
3629
3630 // Get receiver klass into klass - also a null check.
3631 __ restore_locals();
3632 __ load_klass(klass, receiver);
3633
3634 __ lookup_interface_method(klass, interface, noreg, noreg, /*temp*/Z_ARG1,
3635 no_such_interface, /*return_method=*/false);
3636
3637 // Profile this call.
3638 __ profile_virtual_call(klass, Z_ARG1/*mdp*/, flags/*scratch*/);
3639
3640 // Find entry point to call.
3641
3642 // Get declaring interface class from method
3643 __ z_lg(interface, Address(method, Method::const_offset()));
3644 __ z_lg(interface, Address(interface, ConstMethod::constants_offset()));
3645 __ z_lg(interface, Address(interface, ConstantPool::pool_holder_offset_in_bytes()));
3646
3647 // Get itable index from method
3648 Register index = receiver,
|
3595
3596 // Outdated feature, and we don't support it.
3597 void TemplateTable::fast_invokevfinal(int byte_no) {
3598 transition(vtos, vtos);
3599 assert(byte_no == f2_byte, "use this argument");
3600 __ stop("fast_invokevfinal not used on linuxs390x");
3601 }
3602
3603 void TemplateTable::invokeinterface(int byte_no) {
3604 transition(vtos, vtos);
3605
3606 assert(byte_no == f1_byte, "use this argument");
3607 Register klass = Z_ARG2,
3608 method = Z_ARG3,
3609 interface = Z_ARG4,
3610 flags = Z_ARG5,
3611 receiver = Z_tmp_1;
3612
3613 BLOCK_COMMENT("invokeinterface {");
3614
3615 prepare_invoke(byte_no, interface, method, // Get f1 klassOop, f2 Method*.
3616 receiver, flags);
3617
3618 // Z_R14 (== Z_bytecode) : return entry
3619
3620 // First check for Object case, then private interface method,
3621 // then regular interface method.
3622
3623 // Special case of invokeinterface called for virtual method of
3624 // java.lang.Object. See cpCache.cpp for details.
3625 NearLabel notObjectMethod, no_such_method;
3626 __ testbit(flags, ConstantPoolCacheEntry::is_forced_virtual_shift);
3627 __ z_brz(notObjectMethod);
3628 invokevirtual_helper(method, receiver, flags);
3629 __ bind(notObjectMethod);
3630
3631 // Check for private method invocation - indicated by vfinal
3632 NearLabel notVFinal;
3633 __ testbit(flags, ConstantPoolCacheEntry::is_vfinal_shift);
3634 __ z_brz(notVFinal);
3635
3636 // Get receiver klass into klass - also a null check.
3637 __ load_klass(klass, receiver);
3638
3639 NearLabel subtype, no_such_interface;
3640
3641 __ check_klass_subtype(klass, interface, Z_tmp_2, Z_temp_3, subtype);
3642 // If we get here the typecheck failed
3643 __ z_bru(no_such_interface);
3644 __ bind(subtype);
3645
3646 // do the call
3647 __ profile_final_call(Z_tmp_2);
3648 __ profile_arguments_type(Z_tmp_2, method, Z_ARG5, true);
3649 __ jump_from_interpreted(method, Z_tmp_2);
3650
3651 __ bind(notVFinal);
3652
3653 // Get receiver klass into klass - also a null check.
3654 __ restore_locals();
3655 __ load_klass(klass, receiver);
3656
3657 __ lookup_interface_method(klass, interface, noreg, noreg, /*temp*/Z_ARG1,
3658 no_such_interface, /*return_method=*/false);
3659
3660 // Profile this call.
3661 __ profile_virtual_call(klass, Z_ARG1/*mdp*/, flags/*scratch*/);
3662
3663 // Find entry point to call.
3664
3665 // Get declaring interface class from method
3666 __ z_lg(interface, Address(method, Method::const_offset()));
3667 __ z_lg(interface, Address(interface, ConstMethod::constants_offset()));
3668 __ z_lg(interface, Address(interface, ConstantPool::pool_holder_offset_in_bytes()));
3669
3670 // Get itable index from method
3671 Register index = receiver,
|