Implement tracking and optimizations of packed arrays

src/arm/ic-arm.cc

 // 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 1464 matching lines @@
   __ jmp(&fast_double_without_map_check);
 
   __ bind(&non_double_value);
   // Value is not a double, FAST_SMI_ONLY_ELEMENTS -> FAST_ELEMENTS
   __ LoadTransitionedArrayMapConditional(FAST_SMI_ONLY_ELEMENTS,
                                          FAST_ELEMENTS,
                                          receiver_map,
                                          r4,
                                          &slow);
   ASSERT(receiver_map.is(r3));  // Transition code expects map in r3
-  ElementsTransitionGenerator::GenerateSmiOnlyToObject(masm);
+  ElementsTransitionGenerator::GenerateMapChangeElementTransition(masm);
   __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset));
   __ jmp(&finish_object_store);
 
   __ bind(&transition_double_elements);
   // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a
   // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and
   // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS
   __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS,
                                          FAST_ELEMENTS,
                                          receiver_map,
@@ skipping 259 matching lines @@
   } else {
     ASSERT(Assembler::GetCondition(branch_instr) == ne);
     patcher.EmitCondition(eq);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM