[Code Stubs] Convert FastNewClosureStub to a TurboFanCodeStub.

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 45 matching lines @@
   /* HydrogenCodeStubs */                   \
   V(BinaryOpIC)                             \
   V(BinaryOpWithAllocationSite)             \
   V(CreateAllocationSite)                   \
   V(CreateWeakCell)                         \
   V(ElementsTransitionAndStore)             \
   V(FastArrayPush)                          \
   V(FastCloneRegExp)                        \
   V(FastCloneShallowArray)                  \
   V(FastFunctionBind)                       \
-  V(FastNewClosure)                         \
   V(FastNewContext)                         \
   V(FastNewObject)                          \
   V(FastNewRestParameter)                   \
   V(FastNewSloppyArguments)                 \
   V(FastNewStrictArguments)                 \
   V(GrowArrayElements)                      \
   V(KeyedLoadGeneric)                       \
   V(LoadScriptContextField)                 \
   V(LoadDictionaryElement)                  \
   V(NameDictionaryLookup)                   \
@@ skipping 34 matching lines @@
   V(ShiftRightLogical)                      \
   V(ShiftLeft)                              \
   V(BitwiseAnd)                             \
   V(BitwiseOr)                              \
   V(BitwiseXor)                             \
   V(Inc)                                    \
   V(InternalArrayNoArgumentConstructor)     \
   V(InternalArraySingleArgumentConstructor) \
   V(Dec)                                    \
   V(FastCloneShallowObject)                 \
+  V(FastNewClosure)                         \
   V(InstanceOf)                             \
   V(LessThan)                               \
   V(LessThanOrEqual)                        \
   V(GreaterThan)                            \
   V(GreaterThanOrEqual)                     \
   V(Equal)                                  \
   V(NotEqual)                               \
   V(StrictEqual)                            \
   V(StrictNotEqual)                         \
   V(StringEqual)                            \
@@ skipping 896 matching lines @@
 
   // Parameters accessed via CodeStubGraphBuilder::GetParameter()
   static const int kObject = 0;
 
   static void GenerateAheadOfTime(Isolate* isolate);
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Typeof);
   DEFINE_HYDROGEN_CODE_STUB(Typeof, HydrogenCodeStub);
 };
 
+class FastNewClosureStub : public TurboFanCodeStub {
+ public:
+  explicit FastNewClosureStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
-class FastNewClosureStub : public HydrogenCodeStub {
- public:
-  FastNewClosureStub(Isolate* isolate, LanguageMode language_mode,
-                     FunctionKind kind)
-      : HydrogenCodeStub(isolate) {
-    DCHECK(IsValidFunctionKind(kind));
-    set_sub_minor_key(LanguageModeBits::encode(language_mode) |
-                      FunctionKindBits::encode(kind));
-  }
-
-  LanguageMode language_mode() const {
-    return LanguageModeBits::decode(sub_minor_key());
-  }
-
-  FunctionKind kind() const {
-    return FunctionKindBits::decode(sub_minor_key());
-  }
-
- private:
-  STATIC_ASSERT(LANGUAGE_END == 3);
-  class LanguageModeBits : public BitField<LanguageMode, 0, 2> {};
-  class FunctionKindBits : public BitField<FunctionKind, 2, 9> {};
+  static compiler::Node* Generate(CodeStubAssembler* assembler,
+                                  compiler::Node* shared_info,
+                                  compiler::Node* context);
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewClosure);
-  DEFINE_HYDROGEN_CODE_STUB(FastNewClosure, HydrogenCodeStub);
+  DEFINE_TURBOFAN_CODE_STUB(FastNewClosure, TurboFanCodeStub);
 };
 
 
 class FastNewContextStub final : public HydrogenCodeStub {
  public:
   static const int kMaximumSlots = 64;
 
   FastNewContextStub(Isolate* isolate, int slots) : HydrogenCodeStub(isolate) {
     DCHECK(slots >= 0 && slots <= kMaximumSlots);
     set_sub_minor_key(SlotsBits::encode(slots));
@@ skipping 2040 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromType(Type* type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_