Serendipitously arrange the tags so that String.length() becomes a branch-fre...

src/builtins.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 447 matching lines @@
 // in builtins.cc.
 Object* Builtins::builtin_passed_function;
 
 
 
 static void Generate_LoadIC_ArrayLength(MacroAssembler* masm) {
   LoadIC::GenerateArrayLength(masm);
 }
 
 
-static void Generate_LoadIC_ShortStringLength(MacroAssembler* masm) {
-  LoadIC::GenerateShortStringLength(masm);
-}
-
-
-static void Generate_LoadIC_MediumStringLength(MacroAssembler* masm) {
-  LoadIC::GenerateMediumStringLength(masm);
-}
-
-
-static void Generate_LoadIC_LongStringLength(MacroAssembler* masm) {
-  LoadIC::GenerateLongStringLength(masm);
+static void Generate_LoadIC_StringLength(MacroAssembler* masm) {
+  LoadIC::GenerateStringLength(masm);
 }
 
 
 static void Generate_LoadIC_FunctionPrototype(MacroAssembler* masm) {
   LoadIC::GenerateFunctionPrototype(masm);
 }
 
 
 static void Generate_LoadIC_Initialize(MacroAssembler* masm) {
   LoadIC::GenerateInitialize(masm);
@@ skipping 215 matching lines @@
       if (entry->contains(pc)) {
         return names_[i];
       }
     }
   }
   return NULL;
 }
 
 
 } }  // namespace v8::internal