3 files changed, 8 insertions, 4 deletions
diff --git a/src/cpu/o3/base_dyn_inst.cc b/src/cpu/o3/base_dyn_inst.cc
index 3cf89e1b6..510109d8a 100644
--- a/src/cpu/o3/base_dyn_inst.cc
+++ b/src/cpu/o3/base_dyn_inst.cc
@@ -34,7 +34,3 @@
 
 // Explicit instantiation
 template class BaseDynInst<O3CPUImpl>;
-
-template <>
-int
-BaseDynInst<O3CPUImpl>::instcount = 0;
diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
index 26c155262..7320d5638 100644
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -159,6 +159,9 @@ FullO3CPU<Impl>::FullO3CPU(DerivO3CPUParams *params)
       itb(params->itb),
       dtb(params->dtb),
       tickEvent(this),
+#ifndef NDEBUG
+      instcount(0),
+#endif
       removeInstsThisCycle(false),
       fetch(this, params),
       decode(this, params),
diff --git a/src/cpu/o3/cpu.hh b/src/cpu/o3/cpu.hh
index c60c20d55..d24e8c383 100644
--- a/src/cpu/o3/cpu.hh
+++ b/src/cpu/o3/cpu.hh
@@ -576,6 +576,11 @@ class FullO3CPU : public BaseO3CPU
     void dumpInsts();
 
   public:
+#ifndef NDEBUG
+    /** Count of total number of dynamic instructions in flight. */
+    int instcount;
+#endif
+
     /** List of all the instructions in flight. */
     std::list<DynInstPtr> instList;