[stubs] Optimize LoadGlobalViaContextStub and StoreGlobalViaContextStub.

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/v8.h"
 
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 99 matching lines @@
   function->InitParameter(2, AnyTagged());  // Value
   function->InitParameter(3, AnyTagged());  // Map
   return function;
 }
 
 
 Type::FunctionType*
 LoadGlobalViaContextDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
   Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 3, isolate->interface_descriptor_zone());
-  function->InitParameter(0, SmiType());
-  function->InitParameter(1, SmiType());
-  function->InitParameter(2, AnyTagged());
+      AnyTagged(), Type::Undefined(), 2, isolate->interface_descriptor_zone());
+  function->InitParameter(0, UntaggedSigned32());
+  function->InitParameter(1, AnyTagged());
   return function;
 }
 
 
 void LoadGlobalViaContextDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
-  Register registers[] = {DepthRegister(), SlotRegister(), NameRegister()};
+  Register registers[] = {SlotRegister(), NameRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 Type::FunctionType*
 StoreGlobalViaContextDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
   Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 4, isolate->interface_descriptor_zone());
-  function->InitParameter(0, SmiType());
-  function->InitParameter(1, SmiType());
+      AnyTagged(), Type::Undefined(), 3, isolate->interface_descriptor_zone());
+  function->InitParameter(0, UntaggedSigned32());
+  function->InitParameter(1, AnyTagged());
   function->InitParameter(2, AnyTagged());
-  function->InitParameter(3, AnyTagged());
   return function;
 }
 
 
 void StoreGlobalViaContextDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
-  Register registers[] = {DepthRegister(), SlotRegister(), NameRegister(),
-                          ValueRegister()};
+  Register registers[] = {SlotRegister(), NameRegister(), ValueRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void InstanceofDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {left(), right()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
@@ skipping 254 matching lines @@
       AnyTagged(), Type::Undefined(), 5, isolate->interface_descriptor_zone());
   function->InitParameter(0, Type::Receiver());
   function->InitParameter(1, SmiType());
   function->InitParameter(2, AnyTagged());
   function->InitParameter(3, AnyTagged());
   function->InitParameter(4, AnyTagged());
   return function;
 }
 }  // namespace internal
 }  // namespace v8