Support all fast elements kinds in the major array operations.

src/objects.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 1549 matching lines @@
   MUST_USE_RESULT inline MaybeObject* ResetElements();
   inline ElementsKind GetElementsKind();
   inline ElementsAccessor* GetElementsAccessor();
   // Returns true if an object has elements of FAST_SMI_ELEMENTS ElementsKind.
   inline bool HasFastSmiElements();
   // Returns true if an object has elements of FAST_ELEMENTS ElementsKind.
   inline bool HasFastObjectElements();
   // Returns true if an object has elements of FAST_ELEMENTS or
   // FAST_SMI_ONLY_ELEMENTS.
   inline bool HasFastSmiOrObjectElements();
+  // Returns true if an object has any of the fast elements kinds.
+  inline bool HasFastElements();
   // Returns true if an object has elements of FAST_DOUBLE_ELEMENTS
   // ElementsKind.
   inline bool HasFastDoubleElements();
   // Returns true if an object has elements of FAST_HOLEY_*_ELEMENTS
   // ElementsKind.
   inline bool HasFastHoleyElements();
   inline bool HasNonStrictArgumentsElements();
   inline bool HasDictionaryElements();
   inline bool HasExternalPixelElements();
   inline bool HasExternalArrayElements();
@@ skipping 785 matching lines @@
   // TODO(isolates): duplicate.
   inline void set_null(Heap* heap, int index);
   inline void set_the_hole(int index);
 
   // Setters with less debug checks for the GC to use.
   inline void set_unchecked(int index, Smi* value);
   inline void set_null_unchecked(Heap* heap, int index);
   inline void set_unchecked(Heap* heap, int index, Object* value,
                             WriteBarrierMode mode);
 
+  inline Object** GetFirstElementAddress();
+  inline bool ContainsOnlySmisOrHoles();
+
   // Gives access to raw memory which stores the array's data.
   inline Object** data_start();
 
-  inline Object** GetFirstElementAddress();
-  inline bool ContainsOnlySmisOrHoles();
-
   // Copy operations.
   MUST_USE_RESULT inline MaybeObject* Copy();
   MUST_USE_RESULT MaybeObject* CopySize(int new_length);
 
   // Add the elements of a JSArray to this FixedArray.
   MUST_USE_RESULT MaybeObject* AddKeysFromJSArray(JSArray* array);
 
   // Compute the union of this and other.
   MUST_USE_RESULT MaybeObject* UnionOfKeys(FixedArray* other);
 
@@ skipping 81 matching lines @@
   inline bool is_the_hole(int index);
 
   // Copy operations
   MUST_USE_RESULT inline MaybeObject* Copy();
 
   // Garbage collection support.
   inline static int SizeFor(int length) {
     return kHeaderSize + length * kDoubleSize;
   }
 
+  // Gives access to raw memory which stores the array's data.
+  inline double* data_start();
+
   // Code Generation support.
   static int OffsetOfElementAt(int index) { return SizeFor(index); }
 
   inline static bool is_the_hole_nan(double value);
   inline static double hole_nan_as_double();
   inline static double canonical_not_the_hole_nan_as_double();
 
   // Casting.
   static inline FixedDoubleArray* cast(Object* obj);
 
@@ skipping 6544 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_