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diff --git a/src/arch/hsail/insts/mem.cc b/src/arch/hsail/insts/mem.cc
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+++ b/src/arch/hsail/insts/mem.cc
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+/*
+ * Copyright (c) 2012-2015 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: Steve Reinhardt
+ */
+
+#include "arch/hsail/insts/mem.hh"
+
+#include "arch/hsail/Brig.h"
+#include "enums/OpType.hh"
+
+using namespace Brig;
+
+namespace HsailISA
+{
+    const char* atomicOpToString(BrigAtomicOperation brigOp);
+
+    Enums::MemOpType
+    brigAtomicToMemOpType(BrigOpcode brigOpCode, BrigAtomicOperation brigOp)
+    {
+        if (brigOpCode == Brig::BRIG_OPCODE_ATOMIC) {
+            switch (brigOp) {
+              case BRIG_ATOMIC_AND:
+                return Enums::MO_AAND;
+              case BRIG_ATOMIC_OR:
+                return Enums::MO_AOR;
+              case BRIG_ATOMIC_XOR:
+                return Enums::MO_AXOR;
+              case BRIG_ATOMIC_CAS:
+                return Enums::MO_ACAS;
+              case BRIG_ATOMIC_EXCH:
+                return Enums::MO_AEXCH;
+              case BRIG_ATOMIC_ADD:
+                return Enums::MO_AADD;
+              case BRIG_ATOMIC_WRAPINC:
+                return Enums::MO_AINC;
+              case BRIG_ATOMIC_WRAPDEC:
+                return Enums::MO_ADEC;
+              case BRIG_ATOMIC_MIN:
+                return Enums::MO_AMIN;
+              case BRIG_ATOMIC_MAX:
+                return Enums::MO_AMAX;
+              case BRIG_ATOMIC_SUB:
+                return Enums::MO_ASUB;
+              default:
+                fatal("Bad BrigAtomicOperation code %d\n", brigOp);
+            }
+        } else if (brigOpCode == Brig::BRIG_OPCODE_ATOMICNORET) {
+            switch (brigOp) {
+              case BRIG_ATOMIC_AND:
+                  return Enums::MO_ANRAND;
+              case BRIG_ATOMIC_OR:
+                  return Enums::MO_ANROR;
+              case BRIG_ATOMIC_XOR:
+                  return Enums::MO_ANRXOR;
+              case BRIG_ATOMIC_CAS:
+                  return Enums::MO_ANRCAS;
+              case BRIG_ATOMIC_EXCH:
+                  return Enums::MO_ANREXCH;
+              case BRIG_ATOMIC_ADD:
+                  return Enums::MO_ANRADD;
+              case BRIG_ATOMIC_WRAPINC:
+                  return Enums::MO_ANRINC;
+              case BRIG_ATOMIC_WRAPDEC:
+                  return Enums::MO_ANRDEC;
+              case BRIG_ATOMIC_MIN:
+                  return Enums::MO_ANRMIN;
+              case BRIG_ATOMIC_MAX:
+                  return Enums::MO_ANRMAX;
+              case BRIG_ATOMIC_SUB:
+                  return Enums::MO_ANRSUB;
+              default:
+                fatal("Bad BrigAtomicOperation code %d\n", brigOp);
+            }
+        } else {
+            fatal("Bad BrigAtomicOpcode %d\n", brigOpCode);
+        }
+    }
+
+    const char*
+    atomicOpToString(BrigAtomicOperation brigOp)
+    {
+        switch (brigOp) {
+          case BRIG_ATOMIC_AND:
+            return "and";
+          case BRIG_ATOMIC_OR:
+            return "or";
+          case BRIG_ATOMIC_XOR:
+            return "xor";
+          case BRIG_ATOMIC_CAS:
+            return "cas";
+          case BRIG_ATOMIC_EXCH:
+            return "exch";
+          case BRIG_ATOMIC_ADD:
+            return "add";
+          case BRIG_ATOMIC_WRAPINC:
+            return "inc";
+          case BRIG_ATOMIC_WRAPDEC:
+            return "dec";
+          case BRIG_ATOMIC_MIN:
+            return "min";
+          case BRIG_ATOMIC_MAX:
+            return "max";
+          case BRIG_ATOMIC_SUB:
+            return "sub";
+          default:
+            return "unknown";
+        }
+    }
+} // namespace HsailISA