Use shorting encoding for mov reg, imm.

src/ic-ia32.cc

 // Copyright 2006-2008 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 525 matching lines @@
 
   // Enter an internal frame.
   __ EnterInternalFrame();
 
   // Push the receiver and the name of the function.
   __ push(edx);
   __ push(ebx);
 
   // Call the entry.
   CEntryStub stub;
-  __ mov(Operand(eax), Immediate(2));
-  __ mov(Operand(ebx), Immediate(f));
+  __ mov(eax, Immediate(2));
+  __ mov(ebx, Immediate(f));
   __ CallStub(&stub);
 
   // Move result to edi and exit the internal frame.
-  __ mov(Operand(edi), eax);
+  __ mov(edi, eax);
   __ LeaveInternalFrame();
 
   // Check if the receiver is a global object of some sort.
   Label invoke, global;
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));  // receiver
   __ test(edx, Immediate(kSmiTagMask));
   __ j(zero, &invoke, not_taken);
   __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset));
   __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset));
   __ cmp(ecx, JS_GLOBAL_OBJECT_TYPE);
@@ skipping 245 matching lines @@
 
   // Do tail-call to runtime routine.
   __ TailCallRuntime(
       ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3);
 }
 
 #undef __
 
 
 } }  // namespace v8::internal