src/share/vm/opto/doCall.cpp
Index
Unified diffs
Context diffs
Sdiffs
Wdiffs
Patch
New
Old
Previous File
Next File
*** old/src/share/vm/opto/doCall.cpp Thu Dec 3 11:54:37 2009
--- new/src/share/vm/opto/doCall.cpp Thu Dec 3 11:54:37 2009
*** 222,241 ****
--- 222,286 ----
}
}
}
}
+ // Do MethodHandle calls.
+ if (call_method->is_method_handle_invoke()) {
+ if (jvms->method()->java_code_at_bci(jvms->bci()) != Bytecodes::_invokedynamic) {
+ GraphKit kit(jvms);
+ Node* n = kit.argument(0);
+
+ if (n->Opcode() == Op_ConP) {
+ const TypeOopPtr* oop_ptr = n->bottom_type()->is_oopptr();
+ ciObject* const_oop = oop_ptr->const_oop();
+ ciMethodHandle* method_handle = const_oop->as_method_handle();
+
+ // Set the actually called method to have access to the class
+ // and signature in the MethodHandleCompiler.
+ method_handle->set_callee(call_method);
+
+ // Get an adapter for the MethodHandle.
+ ciMethod* target_method = method_handle->get_method_handle_adapter();
+
+ CallGenerator* hit_cg = this->call_generator(target_method, vtable_index, false, jvms, true, prof_factor);
+ if (hit_cg != NULL && hit_cg->is_inline())
+ return hit_cg;
+ }
+
+ return CallGenerator::for_direct_call(call_method);
+ }
+ else {
+ // Get the MethodHandle from the CallSite.
+ ciMethod* caller_method = jvms->method();
+ ciBytecodeStream str(caller_method);
+ str.force_bci(jvms->bci()); // Set the stream to the invokedynamic bci.
+ ciCallSite* call_site = str.get_call_site();
+ ciMethodHandle* method_handle = call_site->get_target();
+
+ // Set the actually called method to have access to the class
+ // and signature in the MethodHandleCompiler.
+ method_handle->set_callee(call_method);
+
+ // Get an adapter for the MethodHandle.
+ ciMethod* target_method = method_handle->get_invokedynamic_adapter();
+
+ CallGenerator* hit_cg = this->call_generator(target_method, vtable_index, false, jvms, true, prof_factor);
+ if (hit_cg != NULL && hit_cg->is_inline()) {
+ CallGenerator* miss_cg = CallGenerator::for_dynamic_call(call_method);
+ return CallGenerator::for_predicted_dynamic_call(method_handle, miss_cg, hit_cg, prof_factor);
+ }
+
+ // If something failed, generate a normal dynamic call.
+ return CallGenerator::for_dynamic_call(call_method);
+ }
+ }
+
// There was no special inlining tactic, or it bailed out.
// Use a more generic tactic, like a simple call.
if (call_is_virtual) {
return CallGenerator::for_virtual_call(call_method, vtable_index);
} else if (call_method->is_method_handle_invoke()) {
if (jvms->method()->java_code_at_bci(jvms->bci()) == Bytecodes::_invokedynamic)
return CallGenerator::for_dynamic_call(call_method);
else
// %%% if the target MH is a compile-time constant, we should try to inline it
return CallGenerator::for_direct_call(call_method);
} else {
// Class Hierarchy Analysis or Type Profile reveals a unique target,
// or it is a static or special call.
return CallGenerator::for_direct_call(call_method, should_delay_inlining(call_method, jvms));
}
src/share/vm/opto/doCall.cpp
Index
Unified diffs
Context diffs
Sdiffs
Wdiffs
Patch
New
Old
Previous File
Next File