Generate specialized constructor code for constructing simple objects

src/x64/stub-cache-x64.cc

 // Copyright 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 1720 matching lines @@
   Register reg =
       CheckPrototypes(object, receiver, holder,
                       scratch1, scratch2, name, miss);
 
   // Return the constant value.
   __ Move(rax, Handle<Object>(value));
   __ ret(0);
 }
 
 
+Object* ConstructStubCompiler::CompileConstructStub(
+    SharedFunctionInfo* shared) {
+  // Not implemented yet - just jump to generic stub.
+  Code* code = Builtins::builtin(Builtins::JSConstructStubGeneric);
+  Handle<Code> generic_construct_stub(code);
+  __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET);
+
+  // Return the generated code.
+  return GetCode();
+}
+
+
 #undef __
 
 } }  // namespace v8::internal