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diff --git a/src/arch/hsail/gpu_decoder.hh b/src/arch/hsail/gpu_decoder.hh
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+/*
+ * Copyright (c) 2015 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * For use for simulation and test purposes only
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. Neither the name of the copyright holder 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 HOLDER 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.
+ *
+ * Author: Anthony Gutierrez
+ */
+
+#ifndef __ARCH_HSAIL_GPU_DECODER_HH__
+#define __ARCH_HSAIL_GPU_DECODER_HH__
+
+#include <vector>
+
+#include "arch/hsail/gpu_types.hh"
+
+class BrigObject;
+class GPUStaticInst;
+
+namespace Brig
+{
+    class BrigInstBase;
+}
+
+namespace HsailISA
+{
+    class Decoder
+    {
+      public:
+        GPUStaticInst* decode(MachInst machInst);
+
+        GPUStaticInst*
+        decode(RawMachInst inst)
+        {
+            return inst < decodedInsts.size() ? decodedInsts.at(inst) : nullptr;
+        }
+
+        RawMachInst
+        saveInst(GPUStaticInst *decodedInst)
+        {
+            decodedInsts.push_back(decodedInst);
+
+            return decodedInsts.size() - 1;
+        }
+
+      private:
+        static std::vector<GPUStaticInst*> decodedInsts;
+    };
+} // namespace HsailISA
+
+#endif // __ARCH_HSAIL_GPU_DECODER_HH__