From 57eb50e414a3aaa6e8bc96ae158af55246cb6754 Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Mon, 8 Apr 2019 10:42:39 +0800
Subject: implement taint propagation

---
 src/cpu/o3/iew_impl.hh | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/cpu/o3/iew_impl.hh')

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);
-- 
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