From 341dbf266258dcbdb1e5e9f09c244b8ac271faaf Mon Sep 17 00:00:00 2001 From: Andreas Hansson Date: Sat, 27 Sep 2014 09:08:36 -0400 Subject: arch: Use const StaticInstPtr references where possible This patch optimises the passing of StaticInstPtr by avoiding copying the reference-counting pointer. This avoids first incrementing and then decrementing the reference-counting pointer. --- src/cpu/pred/bpred_unit.hh | 4 ++-- src/cpu/pred/bpred_unit_impl.hh | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'src/cpu/pred') diff --git a/src/cpu/pred/bpred_unit.hh b/src/cpu/pred/bpred_unit.hh index f75ab79d5..bca64cce0 100644 --- a/src/cpu/pred/bpred_unit.hh +++ b/src/cpu/pred/bpred_unit.hh @@ -87,9 +87,9 @@ class BPredUnit : public SimObject * @param tid The thread id. * @return Returns if the branch is taken or not. */ - bool predict(StaticInstPtr &inst, const InstSeqNum &seqNum, + bool predict(const StaticInstPtr &inst, const InstSeqNum &seqNum, TheISA::PCState &pc, ThreadID tid); - bool predictInOrder(StaticInstPtr &inst, const InstSeqNum &seqNum, + bool predictInOrder(const StaticInstPtr &inst, const InstSeqNum &seqNum, int asid, TheISA::PCState &instPC, TheISA::PCState &predPC, ThreadID tid); diff --git a/src/cpu/pred/bpred_unit_impl.hh b/src/cpu/pred/bpred_unit_impl.hh index eaffb7ea1..53ec808b6 100644 --- a/src/cpu/pred/bpred_unit_impl.hh +++ b/src/cpu/pred/bpred_unit_impl.hh @@ -129,7 +129,7 @@ BPredUnit::drainSanityCheck() const } bool -BPredUnit::predict(StaticInstPtr &inst, const InstSeqNum &seqNum, +BPredUnit::predict(const StaticInstPtr &inst, const InstSeqNum &seqNum, TheISA::PCState &pc, ThreadID tid) { // See if branch predictor predicts taken. @@ -244,7 +244,7 @@ BPredUnit::predict(StaticInstPtr &inst, const InstSeqNum &seqNum, } bool -BPredUnit::predictInOrder(StaticInstPtr &inst, const InstSeqNum &seqNum, +BPredUnit::predictInOrder(const StaticInstPtr &inst, const InstSeqNum &seqNum, int asid, TheISA::PCState &instPC, TheISA::PCState &predPC, ThreadID tid) { -- cgit v1.2.3