[stubs] Port NumberToString stub to TF

src/code-stubs.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/code-stubs.h"
 
 #include <sstream>
 
 #include "src/ast/ast.h"
 #include "src/bootstrapper.h"
@@ skipping 1448 matching lines @@
     result_var.Bind(assembler->ChangeFloat64ToTagged(finc_result));
     assembler->Goto(&end);
   }
 
   assembler->Bind(&end);
   assembler->UpdateFeedback(var_type_feedback.value(), type_feedback_vector,
                             slot_id);
   return result_var.value();
 }
 
+void NumberToStringStub::GenerateAssembly(CodeStubAssembler* assembler) const {
+  typedef compiler::Node Node;
+  Node* argument = assembler->Parameter(Descriptor::kArgument);
+  Node* context = assembler->Parameter(Descriptor::kContext);
+  assembler->Return(assembler->NumberToString(context, argument));
+}
+
 // static
 compiler::Node* DecStub::Generate(CodeStubAssembler* assembler,
                                   compiler::Node* value,
                                   compiler::Node* context,
                                   compiler::Node* type_feedback_vector,
                                   compiler::Node* slot_id) {
   typedef CodeStubAssembler::Label Label;
   typedef compiler::Node Node;
   typedef CodeStubAssembler::Variable Variable;
 
@@ skipping 560 matching lines @@
 CallInterfaceDescriptor HandlerStub::GetCallInterfaceDescriptor() const {
   if (kind() == Code::LOAD_IC || kind() == Code::KEYED_LOAD_IC) {
     return LoadWithVectorDescriptor(isolate());
   } else {
     DCHECK(kind() == Code::STORE_IC || kind() == Code::KEYED_STORE_IC);
     return StoreWithVectorDescriptor(isolate());
   }
 }
 
 
-void NumberToStringStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
-  descriptor->Initialize(
-      Runtime::FunctionForId(Runtime::kNumberToString)->entry);
-  descriptor->SetMissHandler(Runtime::kNumberToString);
-}
-
 void RegExpConstructResultStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   descriptor->Initialize(
       Runtime::FunctionForId(Runtime::kRegExpConstructResult)->entry);
   descriptor->SetMissHandler(Runtime::kRegExpConstructResult);
 }
 
 
 void TransitionElementsKindStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
@@ skipping 942 matching lines @@
 
   if (type == MachineType::Pointer()) {
     return Representation::External();
   }
 
   return Representation::Tagged();
 }
 
 }  // namespace internal
 }  // namespace v8