[stubs] Port builtin for Array.push fast-case from Crankshaft 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 46 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(KeyedStoreICTrampoline)                   \
   /* --- HydrogenCodeStubs --- */             \
   /* 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(LoadConstant)                             \
   V(LoadDictionaryElement)                    \
   V(LoadFastElement)                          \
   V(LoadField)                                \
   /* These should never be ported to TF */    \
   /* because they are either used only by */  \
@@ skipping 928 matching lines @@
     return ElementsKindBits::decode(minor_key_);
   }
 
  private:
   class ElementsKindBits : public BitField<ElementsKind, 0, 8> {};
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(GrowArrayElements);
   DEFINE_TURBOFAN_CODE_STUB(GrowArrayElements, TurboFanCodeStub);
 };
 
-class FastArrayPushStub : public HydrogenCodeStub {
- public:
-  explicit FastArrayPushStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
-
- private:
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(VarArgFunction);
-  DEFINE_HYDROGEN_CODE_STUB(FastArrayPush, HydrogenCodeStub);
-};
-
 class FastFunctionBindStub : public HydrogenCodeStub {
  public:
   explicit FastFunctionBindStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
 
  private:
   DEFINE_CALL_INTERFACE_DESCRIPTOR(VarArgFunction);
   DEFINE_HYDROGEN_CODE_STUB(FastFunctionBind, HydrogenCodeStub);
 };
 
 enum AllocationSiteOverrideMode {
@@ skipping 1629 matching lines @@
 #undef DEFINE_PLATFORM_CODE_STUB
 #undef DEFINE_HANDLER_CODE_STUB
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_