[stubs] A new approach to TF stubs

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 {
 
 namespace {
@@ skipping 63 matching lines @@
   return "";
 }
 
 
 void AllocateMutableHeapNumberDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   data->InitializePlatformSpecific(0, nullptr, nullptr);
 }
 
 
+void VoidDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  data->InitializePlatformSpecific(0, nullptr);
+}
+
+
 Type::FunctionType* LoadDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
   Zone* zone = isolate->interface_descriptor_zone();
   Type::FunctionType* function =
       Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 3, zone);
   function->InitParameter(0, AnyTagged(zone));
   function->InitParameter(1, AnyTagged(zone));
   function->InitParameter(2, SmiType(zone));
   return function;
 }
 
+
 void LoadDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {ReceiverRegister(), NameRegister(), SlotRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void StoreDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {ReceiverRegister(), NameRegister(), ValueRegister()};
@@ skipping 434 matching lines @@
   Type::FunctionType* function =
       Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 4, zone);
   function->InitParameter(0, AnyTagged(zone));        // callee
   function->InitParameter(1, AnyTagged(zone));        // call_data
   function->InitParameter(2, AnyTagged(zone));        // holder
   function->InitParameter(3, ExternalPointer(zone));  // api_function_address
   return function;
 }
 
 
-Type::FunctionType* MathRoundVariantCallFromUnoptimizedCodeDescriptor::
-    BuildCallInterfaceDescriptorFunctionType(Isolate* isolate,
-                                             int paramater_count) {
-  Zone* zone = isolate->interface_descriptor_zone();
-  Type::FunctionType* function =
-      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 4, zone);
-  function->InitParameter(0, Type::Receiver());
-  function->InitParameter(1, SmiType(zone));
-  function->InitParameter(2, AnyTagged(zone));
-  function->InitParameter(3, AnyTagged(zone));
-  return function;
-}
-
-
-Type::FunctionType* MathRoundVariantCallFromOptimizedCodeDescriptor::
-    BuildCallInterfaceDescriptorFunctionType(Isolate* isolate,
-                                             int paramater_count) {
-  Zone* zone = isolate->interface_descriptor_zone();
-  Type::FunctionType* function =
-      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 5, zone);
-  function->InitParameter(0, Type::Receiver());
-  function->InitParameter(1, SmiType(zone));
-  function->InitParameter(2, AnyTagged(zone));
-  function->InitParameter(3, AnyTagged(zone));
-  function->InitParameter(4, AnyTagged(zone));
-  return function;
-}
 }  // namespace internal
 }  // namespace v8