2805 |
2805 |
2806 // Get CallSite offset from constant pool cache pointer. |
2806 // Get CallSite offset from constant pool cache pointer. |
2807 int index = bcs.get_method_index(); |
2807 int index = bcs.get_method_index(); |
2808 size_t call_site_offset = cpcache->get_f1_offset(index); |
2808 size_t call_site_offset = cpcache->get_f1_offset(index); |
2809 |
2809 |
|
2810 // Load CallSite object from constant pool cache. |
|
2811 LIR_Opr call_site = new_register(objectType); |
|
2812 __ oop2reg(cpcache->constant_encoding(), call_site); |
|
2813 __ move_wide(new LIR_Address(call_site, call_site_offset, T_OBJECT), call_site); |
|
2814 |
2810 // If this invokedynamic call site hasn't been executed yet in |
2815 // If this invokedynamic call site hasn't been executed yet in |
2811 // the interpreter, the CallSite object in the constant pool |
2816 // the interpreter, the CallSite object in the constant pool |
2812 // cache is still null and we need to deoptimize. |
2817 // cache is still null and we need to deoptimize. |
2813 if (cpcache->is_f1_null_at(index)) { |
2818 if (cpcache->is_f1_null_at(index)) { |
2814 // Cannot re-use same xhandlers for multiple CodeEmitInfos, so |
2819 // Only deoptimize if the CallSite object is still null; we don't |
2815 // clone all handlers. This is handled transparently in other |
2820 // recompile methods in C1 after deoptimization so this call site |
2816 // places by the CodeEmitInfo cloning logic but is handled |
2821 // might be resolved the next time we execute it after OSR. |
2817 // specially here because a stub isn't being used. |
|
2818 x->set_exception_handlers(new XHandlers(x->exception_handlers())); |
|
2819 |
|
2820 DeoptimizeStub* deopt_stub = new DeoptimizeStub(deopt_info); |
2822 DeoptimizeStub* deopt_stub = new DeoptimizeStub(deopt_info); |
2821 __ jump(deopt_stub); |
2823 __ cmp(lir_cond_equal, call_site, LIR_OprFact::oopConst(NULL)); |
|
2824 __ branch(lir_cond_equal, T_OBJECT, deopt_stub); |
2822 } |
2825 } |
2823 |
2826 |
2824 // Use the receiver register for the synthetic MethodHandle |
2827 // Use the receiver register for the synthetic MethodHandle |
2825 // argument. |
2828 // argument. |
2826 receiver = LIR_Assembler::receiverOpr(); |
2829 receiver = LIR_Assembler::receiverOpr(); |
2827 LIR_Opr tmp = new_register(objectType); |
|
2828 |
|
2829 // Load CallSite object from constant pool cache. |
|
2830 __ oop2reg(cpcache->constant_encoding(), tmp); |
|
2831 __ move_wide(new LIR_Address(tmp, call_site_offset, T_OBJECT), tmp); |
|
2832 |
2830 |
2833 // Load target MethodHandle from CallSite object. |
2831 // Load target MethodHandle from CallSite object. |
2834 __ load(new LIR_Address(tmp, java_lang_invoke_CallSite::target_offset_in_bytes(), T_OBJECT), receiver); |
2832 __ load(new LIR_Address(call_site, java_lang_invoke_CallSite::target_offset_in_bytes(), T_OBJECT), receiver); |
2835 |
2833 |
2836 __ call_dynamic(target, receiver, result_register, |
2834 __ call_dynamic(target, receiver, result_register, |
2837 SharedRuntime::get_resolve_opt_virtual_call_stub(), |
2835 SharedRuntime::get_resolve_opt_virtual_call_stub(), |
2838 arg_list, info); |
2836 arg_list, info); |
2839 break; |
2837 break; |
2840 } |
2838 } |
2841 default: |
2839 default: |
2842 ShouldNotReachHere(); |
2840 fatal(err_msg("unexpected bytecode: %s", Bytecodes::name(x->code()))); |
2843 break; |
2841 break; |
2844 } |
2842 } |
2845 |
2843 |
2846 // JSR 292 |
2844 // JSR 292 |
2847 // Restore the SP after MethodHandle call sites. |
2845 // Restore the SP after MethodHandle call sites. |