[stubs] Port NumberToString stub to TF

src/code-stubs.h

 // 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.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/code-stub-assembler.h"
@@ skipping 48 matching lines @@
   /* These are only called from FCG */        \
   /* They can be removed when only the TF  */ \
   /* version of the corresponding stub is  */ \
   /* used universally */                      \
   V(CallICTrampoline)                         \
   V(LoadICTrampoline)                         \
   V(KeyedLoadICTrampoline)                    \
   V(KeyedStoreICTrampoline)                   \
   V(StoreICTrampoline)                        \
   /* --- HydrogenCodeStubs --- */             \
-  V(NumberToString)                           \
   V(StringAdd)                                \
   /* These builtins w/ JS linkage are */      \
   /* just fast-cases of C++ builtins. They */ \
   /* require varg support from TF */          \
   V(FastArrayPush)                            \
   V(FastFunctionBind)                         \
   /* These will be ported/eliminated */       \
   /* as part of the new IC system, ask */     \
   /* ishell before doing anything  */         \
   V(KeyedLoadGeneric)                         \
@@ skipping 40 matching lines @@
   V(ElementsTransitionAndStore)               \
   V(FastCloneRegExp)                          \
   V(FastCloneShallowArray)                    \
   V(FastCloneShallowObject)                   \
   V(FastNewClosure)                           \
   V(FastNewFunctionContext)                   \
   V(KeyedLoadSloppyArguments)                 \
   V(KeyedStoreSloppyArguments)                \
   V(LoadScriptContextField)                   \
   V(StoreScriptContextField)                  \
+  V(NumberToString)                           \
   V(GetProperty)                              \
   V(LoadICTF)                                 \
   V(KeyedLoadICTF)                            \
   V(StoreFastElement)                         \
   V(StoreField)                               \
   V(StoreGlobal)                              \
   V(StoreICTF)                                \
   V(StoreInterceptor)                         \
   V(StoreMap)                                 \
   V(StoreTransition)                          \
@@ skipping 700 matching lines @@
   STRING_ADD_CHECK_BOTH = STRING_ADD_CHECK_LEFT | STRING_ADD_CHECK_RIGHT,
   // Convert parameters when check fails (instead of throwing an exception).
   STRING_ADD_CONVERT = 1 << 2,
   STRING_ADD_CONVERT_LEFT = STRING_ADD_CHECK_LEFT | STRING_ADD_CONVERT,
   STRING_ADD_CONVERT_RIGHT = STRING_ADD_CHECK_RIGHT | STRING_ADD_CONVERT
 };
 
 
 std::ostream& operator<<(std::ostream& os, const StringAddFlags& flags);
 
-
-class NumberToStringStub final : public HydrogenCodeStub {
+class NumberToStringStub final : public TurboFanCodeStub {
  public:
-  explicit NumberToStringStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
+  explicit NumberToStringStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(TypeConversion);
-  DEFINE_HYDROGEN_CODE_STUB(NumberToString, HydrogenCodeStub);
+  DEFINE_TURBOFAN_CODE_STUB(NumberToString, TurboFanCodeStub);
 };
 
 class FastNewClosureStub : public TurboFanCodeStub {
  public:
   explicit FastNewClosureStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   static compiler::Node* Generate(CodeStubAssembler* assembler,
                                   compiler::Node* shared_info,
                                   compiler::Node* context);
 
@@ skipping 2026 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromMachineType(MachineType type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_