Implement tracking and optimizations of packed arrays

src/ic.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 360 matching lines @@
 
 
 class KeyedIC: public IC {
  public:
   enum StubKind {
     LOAD,
     STORE_NO_TRANSITION,
     STORE_TRANSITION_SMI_TO_OBJECT,
     STORE_TRANSITION_SMI_TO_DOUBLE,
     STORE_TRANSITION_DOUBLE_TO_OBJECT,
+    STORE_TRANSITION_HOLEY_SMI_TO_OBJECT,
+    STORE_TRANSITION_HOLEY_SMI_TO_DOUBLE,
+    STORE_TRANSITION_HOLEY_DOUBLE_TO_OBJECT,
     STORE_AND_GROW_NO_TRANSITION,
     STORE_AND_GROW_TRANSITION_SMI_TO_OBJECT,
     STORE_AND_GROW_TRANSITION_SMI_TO_DOUBLE,
-    STORE_AND_GROW_TRANSITION_DOUBLE_TO_OBJECT
+    STORE_AND_GROW_TRANSITION_DOUBLE_TO_OBJECT,
+    STORE_AND_GROW_TRANSITION_HOLEY_SMI_TO_OBJECT,
+    STORE_AND_GROW_TRANSITION_HOLEY_SMI_TO_DOUBLE,
+    STORE_AND_GROW_TRANSITION_HOLEY_DOUBLE_TO_OBJECT
   };
 
   static const int kGrowICDelta = STORE_AND_GROW_NO_TRANSITION -
       STORE_NO_TRANSITION;
   STATIC_ASSERT(kGrowICDelta ==
                 STORE_AND_GROW_TRANSITION_SMI_TO_OBJECT -
                 STORE_TRANSITION_SMI_TO_OBJECT);
   STATIC_ASSERT(kGrowICDelta ==
                 STORE_AND_GROW_TRANSITION_SMI_TO_DOUBLE -
                 STORE_TRANSITION_SMI_TO_DOUBLE);
@@ skipping 430 matching lines @@
 };
 
 
 // Helper for BinaryOpIC and CompareIC.
 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK };
 void PatchInlinedSmiCode(Address address, InlinedSmiCheck check);
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_