[strong] Implement strong property access semantics

src/builtins.h

 // Copyright 2011 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_BUILTINS_H_
 #define V8_BUILTINS_H_
 
 namespace v8 {
 namespace internal {
 
@@ skipping 68 matching lines @@
   V(NotifySoftDeoptimized, BUILTIN, UNINITIALIZED, kNoExtraICState)          \
   V(NotifyLazyDeoptimized, BUILTIN, UNINITIALIZED, kNoExtraICState)          \
   V(NotifyStubFailure, BUILTIN, UNINITIALIZED, kNoExtraICState)              \
   V(NotifyStubFailureSaveDoubles, BUILTIN, UNINITIALIZED, kNoExtraICState)   \
                                                                              \
   V(LoadIC_Miss, BUILTIN, UNINITIALIZED, kNoExtraICState)                    \
   V(KeyedLoadIC_Miss, BUILTIN, UNINITIALIZED, kNoExtraICState)               \
   V(StoreIC_Miss, BUILTIN, UNINITIALIZED, kNoExtraICState)                   \
   V(KeyedStoreIC_Miss, BUILTIN, UNINITIALIZED, kNoExtraICState)              \
   V(LoadIC_Getter_ForDeopt, LOAD_IC, MONOMORPHIC, kNoExtraICState)           \
-  V(KeyedLoadIC_Initialize, KEYED_LOAD_IC, UNINITIALIZED, kNoExtraICState)   \
   V(KeyedLoadIC_Megamorphic, KEYED_LOAD_IC, MEGAMORPHIC, kNoExtraICState)    \
                                                                              \
+  V(KeyedLoadIC_Megamorphic_Strong, KEYED_LOAD_IC, MEGAMORPHIC,              \
+    LoadICState::kStrongModeState)                                           \
+                                                                             \
   V(StoreIC_Setter_ForDeopt, STORE_IC, MONOMORPHIC,                          \
     StoreICState::kStrictModeState)                                          \
                                                                              \
   V(KeyedStoreIC_Initialize, KEYED_STORE_IC, UNINITIALIZED, kNoExtraICState) \
   V(KeyedStoreIC_PreMonomorphic, KEYED_STORE_IC, PREMONOMORPHIC,             \
     kNoExtraICState)                                                         \
   V(KeyedStoreIC_Megamorphic, KEYED_STORE_IC, MEGAMORPHIC, kNoExtraICState)  \
                                                                              \
   V(KeyedStoreIC_Initialize_Strict, KEYED_STORE_IC, UNINITIALIZED,           \
     StoreICState::kStrictModeState)                                          \
   V(KeyedStoreIC_PreMonomorphic_Strict, KEYED_STORE_IC, PREMONOMORPHIC,      \
     StoreICState::kStrictModeState)                                          \
   V(KeyedStoreIC_Megamorphic_Strict, KEYED_STORE_IC, MEGAMORPHIC,            \
     StoreICState::kStrictModeState)                                          \
                                                                              \
-  /* Uses KeyedLoadIC_Initialize; must be after in list. */                  \
   V(FunctionCall, BUILTIN, UNINITIALIZED, kNoExtraICState)                   \
   V(FunctionApply, BUILTIN, UNINITIALIZED, kNoExtraICState)                  \
   V(ReflectApply, BUILTIN, UNINITIALIZED, kNoExtraICState)                   \
   V(ReflectConstruct, BUILTIN, UNINITIALIZED, kNoExtraICState)               \
                                                                              \
   V(InternalArrayCode, BUILTIN, UNINITIALIZED, kNoExtraICState)              \
   V(ArrayCode, BUILTIN, UNINITIALIZED, kNoExtraICState)                      \
                                                                              \
   V(StringConstructCode, BUILTIN, UNINITIALIZED, kNoExtraICState)            \
                                                                              \
   V(OnStackReplacement, BUILTIN, UNINITIALIZED, kNoExtraICState)             \
   V(InterruptCheck, BUILTIN, UNINITIALIZED, kNoExtraICState)                 \
   V(OsrAfterStackCheck, BUILTIN, UNINITIALIZED, kNoExtraICState)             \
   V(StackCheck, BUILTIN, UNINITIALIZED, kNoExtraICState)                     \
                                                                              \
   V(MarkCodeAsToBeExecutedOnce, BUILTIN, UNINITIALIZED, kNoExtraICState)     \
   V(MarkCodeAsExecutedOnce, BUILTIN, UNINITIALIZED, kNoExtraICState)         \
   V(MarkCodeAsExecutedTwice, BUILTIN, UNINITIALIZED, kNoExtraICState)        \
   CODE_AGE_LIST_WITH_ARG(DECLARE_CODE_AGE_BUILTIN, V)
 
 // Define list of builtin handlers implemented in assembly.
-#define BUILTIN_LIST_H(V)                                               \
-  V(LoadIC_Slow,                    LOAD_IC)                            \
-  V(KeyedLoadIC_Slow,               KEYED_LOAD_IC)                      \
-  V(StoreIC_Slow,                   STORE_IC)                           \
-  V(KeyedStoreIC_Slow,              KEYED_STORE_IC)                     \
-  V(LoadIC_Normal,                  LOAD_IC)                            \
-  V(StoreIC_Normal,                 STORE_IC)
+#define BUILTIN_LIST_H(V)                    \
+  V(LoadIC_Slow,             LOAD_IC)        \
+  V(LoadIC_Slow_Strong,      LOAD_IC)        \
+  V(KeyedLoadIC_Slow,        KEYED_LOAD_IC)  \
+  V(KeyedLoadIC_Slow_Strong, KEYED_LOAD_IC)  \
+  V(StoreIC_Slow,            STORE_IC)       \
+  V(KeyedStoreIC_Slow,       KEYED_STORE_IC) \
+  V(LoadIC_Normal,           LOAD_IC)        \
+  V(LoadIC_Normal_Strong,    LOAD_IC)        \
+  V(StoreIC_Normal,          STORE_IC)
 
 // Define list of builtins used by the debugger implemented in assembly.
 #define BUILTIN_LIST_DEBUG_A(V)                                               \
   V(Return_DebugBreak,                         BUILTIN, DEBUG_STUB,           \
                                                DEBUG_BREAK)                   \
   V(CallFunctionStub_DebugBreak,               BUILTIN, DEBUG_STUB,           \
                                                DEBUG_BREAK)                   \
   V(CallConstructStub_DebugBreak,              BUILTIN, DEBUG_STUB,           \
                                                DEBUG_BREAK)                   \
   V(CallConstructStub_Recording_DebugBreak,    BUILTIN, DEBUG_STUB,           \
@@ skipping 217 matching lines @@
 
   friend class BuiltinFunctionTable;
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_BUILTINS_H_