1 files changed, 6 insertions, 2 deletions
diff --git a/src/cpu/base_dyn_inst.hh b/src/cpu/base_dyn_inst.hh
index 756a5aa9f..d533ad9bf 100644
--- a/src/cpu/base_dyn_inst.hh
+++ b/src/cpu/base_dyn_inst.hh
@@ -478,11 +478,15 @@ class BaseDynInst : public ExecContext, public RefCounted
         _prevDestRegIdx[idx] = previous_rename;
     }
 
-    void taintDestRegs(void)
+    void taintDestRegs(bool istaint)
     {
         for (size_t i = 0; i < numDestRegs(); i++) {
             auto dstreg = _destRegIdx[i];
-            cpu->setTaint(dstreg);
+            if (istaint) {
+                cpu->setTaint(dstreg);
+            } else {
+                cpu->clearTaint(dstreg);
+            }
         }
     }