inorder: use setupSquash for misspeculation

implement a clean interface to handle branch misprediction and eventually all pipeline
flushing

1 files changed, 18 insertions, 0 deletions

diff --git a/src/cpu/inorder/cpu.cc b/src/cpu/inorder/cpu.cc
index ce3796528..2e3b0188b 100644
--- a/src/cpu/inorder/cpu.cc
+++ b/src/cpu/inorder/cpu.cc
@@ -1272,6 +1272,24 @@ InOrderCPU::addInst(DynInstPtr inst)
     return --(instList[tid].end());
 }
 
+InOrderCPU::ListIt
+InOrderCPU::findInst(InstSeqNum seq_num, ThreadID tid)
+{
+    ListIt it = instList[tid].begin();
+    ListIt end = instList[tid].end();
+
+    while (it != end) {
+        if ((*it)->seqNum == seq_num)
+            return it;
+        else if ((*it)->seqNum > seq_num)
+            break;
+
+        it++;
+    }
+
+    return instList[tid].end();
+}
+
 void 
 InOrderCPU::updateContextSwitchStats()
 {