Remove some unneeded restorations of a register in StoreIC.

src/ia32/stub-cache-ia32.cc

 // Copyright 2006-2009 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 1311 matching lines @@
   __ push(eax);  // value
   __ push(ebx);  // restore return address
 
   // Do tail-call to the runtime system.
   ExternalReference store_callback_property =
       ExternalReference(IC_Utility(IC::kStoreCallbackProperty));
   __ TailCallRuntime(store_callback_property, 4, 1);
 
   // Handle store cache miss.
   __ bind(&miss);
-  __ mov(ecx, Immediate(Handle<String>(name)));  // restore name
   Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
   __ jmp(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver,
                                                    String* name) {
@@ skipping 32 matching lines @@
   __ push(eax);  // value
   __ push(ebx);  // restore return address
 
   // Do tail-call to the runtime system.
   ExternalReference store_ic_property =
       ExternalReference(IC_Utility(IC::kStoreInterceptorProperty));
   __ TailCallRuntime(store_ic_property, 3, 1);
 
   // Handle store cache miss.
   __ bind(&miss);
-  __ mov(ecx, Immediate(Handle<String>(name)));  // restore name
   Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
   __ jmp(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(INTERCEPTOR, name);
 }
 
 
 Object* StoreStubCompiler::CompileStoreGlobal(GlobalObject* object,
                                               JSGlobalPropertyCell* cell,
@@ skipping 571 matching lines @@
   __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal