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diff --git a/src/mem/slicc/ast/AssignStatementAST.cc b/src/mem/slicc/ast/AssignStatementAST.cc
new file mode 100644
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+++ b/src/mem/slicc/ast/AssignStatementAST.cc
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+
+/*
+ * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
+ * 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 with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * AssignStatementAST.C
+ *
+ * Description: See AssignStatementAST.h
+ *
+ * $Id: AssignStatementAST.C,v 3.2 2003/08/01 18:38:19 beckmann Exp $
+ *
+ */
+
+#include "AssignStatementAST.hh"
+
+AssignStatementAST::AssignStatementAST(ExprAST* lvalue_ptr, ExprAST* rvalue_ptr)
+  : StatementAST()
+{
+  m_lvalue_ptr = lvalue_ptr;
+  m_rvalue_ptr = rvalue_ptr;
+}
+
+AssignStatementAST::~AssignStatementAST()
+{
+  delete m_lvalue_ptr;
+  delete m_rvalue_ptr;
+}
+
+void AssignStatementAST::generate(string& code, Type* return_type_ptr) const
+{
+  code += indent_str();
+  Type* lvalue_type_ptr = m_lvalue_ptr->generate(code);
+  code += " = ";
+  Type* rvalue_type_ptr = m_rvalue_ptr->generate(code);
+  code += ";\n";
+
+  if (lvalue_type_ptr != rvalue_type_ptr) {
+    // FIXME - beckmann
+    // the following if statement is a hack to allow NetDest objects to be assigned to Sets
+    // this allows for the previous NetworkMessage Destiantion 'Set class' to migrate to the
+    // new NetworkMessage Destiantion 'NetDest class'
+    if (lvalue_type_ptr->toString() != "NetDest" && rvalue_type_ptr->toString() != "Set") {
+      error("Assignment type mismatch '" + lvalue_type_ptr->toString() + "' and '" + rvalue_type_ptr->toString() + "'");
+    }
+  }
+}
+
+void AssignStatementAST::print(ostream& out) const
+{
+  out << "[AssignStatementAST: " << *m_lvalue_ptr << " := " << *m_rvalue_ptr << "]";
+}