diff -r e2c43045a81b -r b2bfc7a0275f src/cpu/o3/fetch_impl.hh
--- a/src/cpu/o3/fetch_impl.hh	Tue Sep 09 04:36:43 2014 -0400
+++ b/src/cpu/o3/fetch_impl.hh	Mon Sep 15 14:08:42 2014 -0400
@@ -1515,7 +1515,9 @@
 ThreadID
 DefaultFetch<Impl>::iqCount()
 {
-    std::priority_queue<unsigned> PQ;
+    //sorted from lowest->highest
+    std::priority_queue<unsigned,vector<unsigned>,
+                        std::greater<unsigned> > PQ;
     std::map<unsigned, ThreadID> threadMap;
 
     list<ThreadID>::iterator threads = activeThreads->begin();
@@ -1525,6 +1527,8 @@
         ThreadID tid = *threads++;
         unsigned iqCount = fromIEW->iewInfo[tid].iqCount;
 
+        //we can potentially get tid collisions if two threads
+        //have the same iqCount, but this should be rare.
         PQ.push(iqCount);
         threadMap[iqCount] = tid;
     }
@@ -1548,7 +1552,9 @@
 ThreadID
 DefaultFetch<Impl>::lsqCount()
 {
-    std::priority_queue<unsigned> PQ;
+    //sorted from lowest->highest
+    std::priority_queue<unsigned,vector<unsigned>,
+                        std::greater<unsigned> > PQ;
     std::map<unsigned, ThreadID> threadMap;
 
     list<ThreadID>::iterator threads = activeThreads->begin();
@@ -1558,6 +1564,8 @@
         ThreadID tid = *threads++;
         unsigned ldstqCount = fromIEW->iewInfo[tid].ldstqCount;
 
+        //we can potentially get tid collisions if two threads
+        //have the same iqCount, but this should be rare.
         PQ.push(ldstqCount);
         threadMap[ldstqCount] = tid;
     }