Merge zizzer.eecs.umich.edu:/bk/newmem

into  zeep.eecs.umich.edu:/home/gblack/m5/newmem

src/cpu/ozone/cpu_impl.hh:
    Hand merged

--HG--
extra : convert_revision : f8a5b0205bcb78c8f5e109f456fe7bca80a7abac

1 files changed, 12 insertions, 1 deletions

diff --git a/src/cpu/o3/rename_impl.hh b/src/cpu/o3/rename_impl.hh
index 782c0fe5f..248d7deb6 100644
--- a/src/cpu/o3/rename_impl.hh
+++ b/src/cpu/o3/rename_impl.hh
@@ -41,7 +41,8 @@ DefaultRename<Impl>::DefaultRename(Params *params)
       commitToRenameDelay(params->commitToRenameDelay),
       renameWidth(params->renameWidth),
       commitWidth(params->commitWidth),
-      numThreads(params->numberOfThreads)
+      numThreads(params->numberOfThreads),
+      maxPhysicalRegs(params->numPhysIntRegs + params->numPhysFloatRegs)
 {
     _status = Inactive;
 
@@ -286,6 +287,11 @@ DefaultRename<Impl>::switchOut()
             // Put the renamed physical register back on the free list.
             freeList->addReg(hb_it->newPhysReg);
 
+            // Be sure to mark its register as ready if it's a misc register.
+            if (hb_it->newPhysReg >= maxPhysicalRegs) {
+                scoreboard->setReg(hb_it->newPhysReg);
+            }
+
             historyBuffer[i].erase(hb_it++);
         }
         insts[i].clear();
@@ -889,6 +895,11 @@ DefaultRename<Impl>::doSquash(const InstSeqNum &squashed_seq_num, unsigned tid)
         // Put the renamed physical register back on the free list.
         freeList->addReg(hb_it->newPhysReg);
 
+        // Be sure to mark its register as ready if it's a misc register.
+        if (hb_it->newPhysReg >= maxPhysicalRegs) {
+            scoreboard->setReg(hb_it->newPhysReg);
+        }
+
         historyBuffer[tid].erase(hb_it++);
 
         ++renameUndoneMaps;