[cleanup] Drop handwritten KeyedStoreIC code

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 26 matching lines @@
   V(InternalArrayConstructor)                 \
   V(JSEntry)                                  \
   V(LoadIndexedString)                        \
   V(MathPow)                                  \
   V(ProfileEntryHook)                         \
   V(RecordWrite)                              \
   V(RegExpExec)                               \
   V(StoreBufferOverflow)                      \
   V(StoreElement)                             \
   V(SubString)                                \
-  V(KeyedStoreIC)                             \
   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  */ \
   /* 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)                             \
@@ skipping 1919 matching lines @@
     return static_cast<ExtraICState>(minor_key_);
   }
 
  protected:
   StoreICState state() const { return StoreICState(GetExtraICState()); }
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Store);
   DEFINE_TURBOFAN_CODE_STUB(StoreICTrampoline, TurboFanCodeStub);
 };
 
-class KeyedStoreICTrampolineStub : public PlatformCodeStub {
- public:
-  KeyedStoreICTrampolineStub(Isolate* isolate, const StoreICState& state)
-      : PlatformCodeStub(isolate) {
-    minor_key_ = state.GetExtraICState();
-  }
-
-  Code::Kind GetCodeKind() const override { return Code::KEYED_STORE_IC; }
-
-  ExtraICState GetExtraICState() const final {
-    return static_cast<ExtraICState>(minor_key_);
-  }
-
- protected:
-  StoreICState state() const { return StoreICState(GetExtraICState()); }
-
- private:
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(Store);
-  DEFINE_PLATFORM_CODE_STUB(KeyedStoreICTrampoline, PlatformCodeStub);
-};
-
 class KeyedStoreICTrampolineTFStub : public StoreICTrampolineStub {
  public:
   KeyedStoreICTrampolineTFStub(Isolate* isolate, const StoreICState& state)
       : StoreICTrampolineStub(isolate, state) {}
 
   Code::Kind GetCodeKind() const override { return Code::KEYED_STORE_IC; }
 
   LanguageMode language_mode() const {
     return StoreICState(GetExtraICState()).language_mode();
   }
@@ skipping 102 matching lines @@
   }
 
   ExtraICState GetExtraICState() const final {
     return static_cast<ExtraICState>(minor_key_);
   }
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(StoreWithVector);
   DEFINE_TURBOFAN_CODE_STUB(StoreIC, TurboFanCodeStub);
 };
 
-class KeyedStoreICStub : public PlatformCodeStub {
- public:
-  KeyedStoreICStub(Isolate* isolate, const StoreICState& state)
-      : PlatformCodeStub(isolate) {
-    minor_key_ = state.GetExtraICState();
-  }
-
-  void GenerateForTrampoline(MacroAssembler* masm);
-
-  Code::Kind GetCodeKind() const final { return Code::KEYED_STORE_IC; }
-
-  ExtraICState GetExtraICState() const final {
-    return static_cast<ExtraICState>(minor_key_);
-  }
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(StoreWithVector);
-  DEFINE_PLATFORM_CODE_STUB(KeyedStoreIC, PlatformCodeStub);
-
- protected:
-  void GenerateImpl(MacroAssembler* masm, bool in_frame);
-};
-
 class KeyedStoreICTFStub : public StoreICStub {
  public:
   KeyedStoreICTFStub(Isolate* isolate, const StoreICState& state)
       : StoreICStub(isolate, state) {}
 
   Code::Kind GetCodeKind() const override { return Code::KEYED_STORE_IC; }
 
   LanguageMode language_mode() const {
     return StoreICState(GetExtraICState()).language_mode();
   }
@@ skipping 526 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_