1 files changed, 6 insertions, 0 deletions
diff --git a/src/cpu/o3/iew_impl.hh b/src/cpu/o3/iew_impl.hh
index ee6e76ddd..6adbda7fc 100644
--- a/src/cpu/o3/iew_impl.hh
+++ b/src/cpu/o3/iew_impl.hh
@@ -1328,6 +1328,12 @@ DefaultIEW<Impl>::executeInsts()
                     inst->forwardOldRegs();
             }
 
+            if (inst->srcTainted()) {
+                inst->taintDestRegs(true);
+            } else {
+                inst->taintDestRegs(false);
+            }
+
             inst->setExecuted();
 
             instToCommit(inst);