2827 }
2828
2829
2830 void TemplateTable::_return(TosState state) {
2831 transition(state, state);
2832 assert(_desc->calls_vm(), "inconsistent calls_vm information"); // call in remove_activation
2833
2834 if (_desc->bytecode() == Bytecodes::_return_register_finalizer) {
2835 Label skip_register_finalizer;
2836 assert(state == vtos, "only valid state");
2837 __ ldr(R1, aaddress(0));
2838 __ load_klass(Rtemp, R1);
2839 __ ldr_u32(Rtemp, Address(Rtemp, Klass::access_flags_offset()));
2840 __ tbz(Rtemp, exact_log2(JVM_ACC_HAS_FINALIZER), skip_register_finalizer);
2841
2842 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), R1);
2843
2844 __ bind(skip_register_finalizer);
2845 }
2846
2847 // Explicitly reset last_sp, for handling special case in TemplateInterpreter::deopt_reexecute_entry
2848 #ifdef ASSERT
2849 if (state == vtos) {
2850 #ifndef AARCH64
2851 __ mov(Rtemp, 0);
2852 __ str(Rtemp, Address(FP, frame::interpreter_frame_last_sp_offset * wordSize));
2853 #else
2854 __ restore_sp_after_call(Rtemp);
2855 __ restore_stack_top();
2856 #endif
2857 }
2858 #endif
2859
2860 // Narrow result if state is itos but result type is smaller.
2861 // Need to narrow in the return bytecode rather than in generate_return_entry
2862 // since compiled code callers expect the result to already be narrowed.
2863 if (state == itos) {
2864 __ narrow(R0_tos);
2865 }
2866 __ remove_activation(state, LR);
2867
2868 __ interp_verify_oop(R0_tos, state, __FILE__, __LINE__);
2869
2870 #ifndef AARCH64
2871 // According to interpreter calling conventions, result is returned in R0/R1,
2872 // so ftos (S0) and dtos (D0) are moved to R0/R1.
2873 // This conversion should be done after remove_activation, as it uses
2874 // push(state) & pop(state) to preserve return value.
2875 __ convert_tos_to_retval(state);
2876 #endif // !AARCH64
2877
2878 __ ret();
2879
|
2827 }
2828
2829
2830 void TemplateTable::_return(TosState state) {
2831 transition(state, state);
2832 assert(_desc->calls_vm(), "inconsistent calls_vm information"); // call in remove_activation
2833
2834 if (_desc->bytecode() == Bytecodes::_return_register_finalizer) {
2835 Label skip_register_finalizer;
2836 assert(state == vtos, "only valid state");
2837 __ ldr(R1, aaddress(0));
2838 __ load_klass(Rtemp, R1);
2839 __ ldr_u32(Rtemp, Address(Rtemp, Klass::access_flags_offset()));
2840 __ tbz(Rtemp, exact_log2(JVM_ACC_HAS_FINALIZER), skip_register_finalizer);
2841
2842 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), R1);
2843
2844 __ bind(skip_register_finalizer);
2845 }
2846
2847 // Narrow result if state is itos but result type is smaller.
2848 // Need to narrow in the return bytecode rather than in generate_return_entry
2849 // since compiled code callers expect the result to already be narrowed.
2850 if (state == itos) {
2851 __ narrow(R0_tos);
2852 }
2853 __ remove_activation(state, LR);
2854
2855 __ interp_verify_oop(R0_tos, state, __FILE__, __LINE__);
2856
2857 #ifndef AARCH64
2858 // According to interpreter calling conventions, result is returned in R0/R1,
2859 // so ftos (S0) and dtos (D0) are moved to R0/R1.
2860 // This conversion should be done after remove_activation, as it uses
2861 // push(state) & pop(state) to preserve return value.
2862 __ convert_tos_to_retval(state);
2863 #endif // !AARCH64
2864
2865 __ ret();
2866
|