[turbofan] Adds an Allocate macro to the CodeStubAssembler.

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/codegen.h"
@@ skipping 41 matching lines @@
   V(ToNumber)                               \
   V(ToLength)                               \
   V(ToString)                               \
   V(ToName)                                 \
   V(ToObject)                               \
   V(VectorStoreICTrampoline)                \
   V(VectorKeyedStoreICTrampoline)           \
   V(VectorStoreIC)                          \
   V(VectorKeyedStoreIC)                     \
   /* HydrogenCodeStubs */                   \
-  V(AllocateHeapNumber)                     \
-  V(AllocateMutableHeapNumber)              \
   V(AllocateInNewSpace)                     \
   V(ArrayNArgumentsConstructor)             \
   V(ArrayNoArgumentConstructor)             \
   V(ArraySingleArgumentConstructor)         \
   V(BinaryOpIC)                             \
   V(BinaryOpWithAllocationSite)             \
   V(CreateAllocationSite)                   \
   V(CreateWeakCell)                         \
   V(ElementsTransitionAndStore)             \
   V(FastCloneRegExp)                        \
@@ skipping 19 matching lines @@
   V(RegExpConstructResult)                  \
   V(StoreFastElement)                       \
   V(StoreGlobalViaContext)                  \
   V(StoreScriptContextField)                \
   V(StringAdd)                              \
   V(ToBooleanIC)                            \
   V(TransitionElementsKind)                 \
   V(KeyedLoadIC)                            \
   V(LoadIC)                                 \
   /* TurboFanCodeStubs */                   \
+  V(AllocateHeapNumber)                     \
+  V(AllocateMutableHeapNumber)              \
   V(StringLength)                           \
   V(ToBoolean)                              \
   /* IC Handler stubs */                    \
   V(ArrayBufferViewLoadField)               \
   V(LoadConstant)                           \
   V(LoadFastElement)                        \
   V(LoadField)                              \
   V(KeyedLoadSloppyArguments)               \
   V(KeyedStoreSloppyArguments)              \
   V(StoreField)                             \
@@ skipping 2298 matching lines @@
 
  private:
   class FromKindBits: public BitField<ElementsKind, 8, 8> {};
   class ToKindBits: public BitField<ElementsKind, 0, 8> {};
   class IsJSArrayBits: public BitField<bool, 16, 1> {};
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(TransitionElementsKind);
   DEFINE_HYDROGEN_CODE_STUB(TransitionElementsKind, HydrogenCodeStub);
 };
 
-
-class AllocateHeapNumberStub final : public HydrogenCodeStub {
+class AllocateHeapNumberStub : public TurboFanCodeStub {
  public:
   explicit AllocateHeapNumberStub(Isolate* isolate)
-      : HydrogenCodeStub(isolate) {}
+      : TurboFanCodeStub(isolate) {}
 
- private:
+  void InitializeDescriptor(CodeStubDescriptor* descriptor) override;
+  void GenerateAssembly(compiler::CodeStubAssembler* assembler) const override;
+
   DEFINE_CALL_INTERFACE_DESCRIPTOR(AllocateHeapNumber);
-  DEFINE_HYDROGEN_CODE_STUB(AllocateHeapNumber, HydrogenCodeStub);
+  DEFINE_CODE_STUB(AllocateHeapNumber, TurboFanCodeStub);
+};
+
+class AllocateMutableHeapNumberStub : public TurboFanCodeStub {
+ public:
+  explicit AllocateMutableHeapNumberStub(Isolate* isolate)
+      : TurboFanCodeStub(isolate) {}
+
+  void InitializeDescriptor(CodeStubDescriptor* descriptor) override;
+  void GenerateAssembly(compiler::CodeStubAssembler* assembler) const override;
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(AllocateMutableHeapNumber);
+  DEFINE_CODE_STUB(AllocateMutableHeapNumber, TurboFanCodeStub);
 };
 
 
-class AllocateMutableHeapNumberStub final : public HydrogenCodeStub {
- public:
-  explicit AllocateMutableHeapNumberStub(Isolate* isolate)
-      : HydrogenCodeStub(isolate) {}
-
- private:
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(AllocateMutableHeapNumber);
-  DEFINE_HYDROGEN_CODE_STUB(AllocateMutableHeapNumber, HydrogenCodeStub);
-};
-
-
 class AllocateInNewSpaceStub final : public HydrogenCodeStub {
  public:
   explicit AllocateInNewSpaceStub(Isolate* isolate)
       : HydrogenCodeStub(isolate) {}
 
  private:
   DEFINE_CALL_INTERFACE_DESCRIPTOR(AllocateInNewSpace);
   DEFINE_HYDROGEN_CODE_STUB(AllocateInNewSpace, HydrogenCodeStub);
 };
 
@@ skipping 427 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_