[stubs] Port FastNewObjectStub to TF

src/interface-descriptors.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 
@@ skipping 56 matching lines @@
   data->InitializePlatformIndependent(arraysize(machine_types), 0,
                                       machine_types);
 }
 
 void FastNewFunctionContextDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {FunctionRegister(), SlotsRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void FastNewObjectDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {TargetRegister(), NewTargetRegister()};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+const Register FastNewObjectDescriptor::TargetRegister() {
+  return kJSFunctionRegister;
+}
+
+const Register FastNewObjectDescriptor::NewTargetRegister() {
+  return kJavaScriptCallNewTargetRegister;
+}
+
 void LoadDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   // kReceiver, kName, kSlot
   MachineType machine_types[] = {MachineType::AnyTagged(),
                                  MachineType::AnyTagged(),
                                  MachineType::TaggedSigned()};
   data->InitializePlatformIndependent(arraysize(machine_types), 0,
                                       machine_types);
 }
 
@@ skipping 492 matching lines @@
     CallInterfaceDescriptorData* data) {
   // kNumberOfArguments, kFirstArgument, kFunctionEntry
   MachineType machine_types[] = {MachineType::Int32(), MachineType::Pointer(),
                                  MachineType::Pointer()};
   data->InitializePlatformIndependent(arraysize(machine_types), 0,
                                       machine_types);
 }
 
 }  // namespace internal
 }  // namespace v8