From 368bf919c17cab706fdf19294c07600c3f436f8f Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Wed, 10 Apr 2019 02:16:12 +0800
Subject: clear taint when previous branch resolved

---
 src/cpu/o3/rob_impl.hh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cpu/o3/rob_impl.hh b/src/cpu/o3/rob_impl.hh
index 691149e67..7c39985a2 100644
--- a/src/cpu/o3/rob_impl.hh
+++ b/src/cpu/o3/rob_impl.hh
@@ -435,6 +435,10 @@ ROB<Impl>::updateVisibleState()
 
             assert(inst!=0);
 
+            if (prevBrsResolved) {
+                inst->taintDestRegs(false);
+            }
+
             if (!prevInstsComplete &&
                     !prevBrsResolved) {
                 break;
-- 
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