[stubs] Port FastNewObjectStub 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/codegen.h"
@@ skipping 32 matching lines @@
   V(JSEntry)                                  \
   V(LoadIndexedString)                        \
   V(MathPow)                                  \
   V(ProfileEntryHook)                         \
   V(RecordWrite)                              \
   V(RegExpExec)                               \
   V(StoreBufferOverflow)                      \
   V(StoreElement)                             \
   V(SubString)                                \
   V(LoadGlobalIC)                             \
-  V(FastNewObject)                            \
   V(FastNewRestParameter)                     \
   V(FastNewSloppyArguments)                   \
   V(FastNewStrictArguments)                   \
   V(NameDictionaryLookup)                     \
   /* This can be removed once there are no */ \
   /* more deopting Hydrogen stubs. */         \
   V(StubFailureTrampoline)                    \
   /* These are only called from FCG */        \
   /* They can be removed when only the TF  */ \
   /* version of the corresponding stub is  */ \
@@ skipping 750 matching lines @@
   // new space.
   STATIC_ASSERT(((kMaximumSlots + Context::MIN_CONTEXT_SLOTS) * kPointerSize +
                  FixedArray::kHeaderSize) < kMaxRegularHeapObjectSize);
 
   class ScopeTypeBits : public BitField<bool, 0, 8> {};
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewFunctionContext);
   DEFINE_TURBOFAN_CODE_STUB(FastNewFunctionContext, TurboFanCodeStub);
 };
 
-class FastNewObjectStub final : public PlatformCodeStub {
- public:
-  explicit FastNewObjectStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewObject);
-  DEFINE_PLATFORM_CODE_STUB(FastNewObject, PlatformCodeStub);
-};
-
-
 // TODO(turbofan): This stub should be possible to write in TurboFan
 // using the CodeStubAssembler very soon in a way that is as efficient
 // and easy as the current handwritten version, which is partly a copy
 // of the strict arguments object materialization code.
 class FastNewRestParameterStub final : public PlatformCodeStub {
  public:
   explicit FastNewRestParameterStub(Isolate* isolate,
                                     bool skip_stub_frame = false)
       : PlatformCodeStub(isolate) {
     minor_key_ = SkipStubFrameBits::encode(skip_stub_frame);
@@ skipping 1630 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_