Replace special IC builtins and stubs in the map's cache by codestubs.

src/ia32/code-stubs-ia32.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 3241 matching lines @@
     __ movdbl(double_result, Operand(esp, 0));
     __ add(esp, Immediate(kDoubleSize));
 
     __ bind(&done);
     __ IncrementCounter(counters->math_pow(), 1);
     __ ret(0);
   }
 }
 
 
+void StringLengthStub::Generate(MacroAssembler* masm) {
+  // ----------- S t a t e -------------
+  //  -- ecx    : name
+  //  -- edx    : receiver
+  //  -- esp[0] : return address
+  // -----------------------------------
+  Label miss;
+
+  if (kind() == Code::KEYED_LOAD_IC) {
+    __ cmp(ecx, Immediate(masm->isolate()->factory()->length_symbol()));
+    __ j(not_equal, &miss);
+  }
+
+  StubCompiler::GenerateLoadStringLength(masm, edx, eax, ebx, &miss,
+                                         support_wrapper_);
+  __ bind(&miss);
+  StubCompiler::GenerateLoadMiss(masm, kind());
+}
+
+
 void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* masm) {
   // The key is in edx and the parameter count is in eax.
 
   // The displacement is used for skipping the frame pointer on the
   // stack. It is the offset of the last parameter (if any) relative
   // to the frame pointer.
   static const int kDisplacement = 1 * kPointerSize;
 
   // Check that the key is a smi.
   Label slow;
@@ skipping 4264 matching lines @@
   // Restore ecx.
   __ pop(ecx);
   __ ret(0);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32