Cosmetic (ARM/MIPS): Use FieldMemOperand where appropriate.

src/arm/stub-cache-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 1712 matching lines @@
   __ sub(r4, r4, Operand(Smi::FromInt(1)), SetCC);
   __ b(lt, &return_undefined);
 
   // Get the last element.
   __ LoadRoot(r6, Heap::kTheHoleValueRootIndex);
   STATIC_ASSERT(kSmiTagSize == 1);
   STATIC_ASSERT(kSmiTag == 0);
   // We can't address the last element in one operation. Compute the more
   // expensive shift first, and use an offset later on.
   __ add(elements, elements, Operand(r4, LSL, kPointerSizeLog2 - kSmiTagSize));
-  __ ldr(r0, MemOperand(elements, FixedArray::kHeaderSize - kHeapObjectTag));
+  __ ldr(r0, FieldMemOperand(elements, FixedArray::kHeaderSize));
   __ cmp(r0, r6);
   __ b(eq, &call_builtin);
 
   // Set the array's length.
   __ str(r4, FieldMemOperand(receiver, JSArray::kLengthOffset));
 
   // Fill with the hole.
-  __ str(r6, MemOperand(elements, FixedArray::kHeaderSize - kHeapObjectTag));
+  __ str(r6, FieldMemOperand(elements, FixedArray::kHeaderSize));
   __ Drop(argc + 1);
   __ Ret();
 
   __ bind(&return_undefined);
   __ LoadRoot(r0, Heap::kUndefinedValueRootIndex);
   __ Drop(argc + 1);
   __ Ret();
 
   __ bind(&call_builtin);
   __ TailCallExternalReference(ExternalReference(Builtins::c_ArrayPop,
@@ skipping 2694 matching lines @@
     __ Jump(ic_slow, RelocInfo::CODE_TARGET);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM