diff options
Diffstat (limited to 'src/cpu/inorder/resources/bpred_unit.cc')
| -rw-r--r-- | src/cpu/inorder/resources/bpred_unit.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/cpu/inorder/resources/bpred_unit.cc b/src/cpu/inorder/resources/bpred_unit.cc index 778366532..1a458e1d6 100644 --- a/src/cpu/inorder/resources/bpred_unit.cc +++ b/src/cpu/inorder/resources/bpred_unit.cc @@ -284,7 +284,8 @@ BPredUnit::update(const InstSeqNum &done_sn, ThreadID tid) // Update the branch predictor with the correct results. BPUpdate(predHist[tid].back().pc.instAddr(), predHist[tid].back().predTaken, - predHist[tid].back().bpHistory); + predHist[tid].back().bpHistory, + false); predHist[tid].pop_back(); } @@ -367,7 +368,7 @@ BPredUnit::squash(const InstSeqNum &squashed_sn, } BPUpdate((*hist_it).pc.instAddr(), actually_taken, - pred_hist.front().bpHistory); + pred_hist.front().bpHistory, true); // only update BTB on branch taken right??? if (actually_taken) @@ -425,12 +426,12 @@ BPredUnit::BPLookup(Addr inst_PC, void * &bp_history) void -BPredUnit::BPUpdate(Addr inst_PC, bool taken, void *bp_history) +BPredUnit::BPUpdate(Addr inst_PC, bool taken, void *bp_history, bool squashed) { if (predictor == Local) { localBP->update(inst_PC, taken, bp_history); } else if (predictor == Tournament) { - tournamentBP->update(inst_PC, taken, bp_history); + tournamentBP->update(inst_PC, taken, bp_history, squashed); } else { panic("Predictor type is unexpected value!"); } |