diff options
| author | Andreas Hansson <andreas.hansson@arm.com> | 2014-09-27 09:08:36 -0400 |
|---|---|---|
| committer | Andreas Hansson <andreas.hansson@arm.com> | 2014-09-27 09:08:36 -0400 |
| commit | 341dbf266258dcbdb1e5e9f09c244b8ac271faaf (patch) | |
| tree | f071f9a91adeb0c1eb0888ae751c3ee0196bd65d /src/cpu/pred | |
| parent | deb2200671d5b4856ca27d4286253db0d9e12a32 (diff) | |
| download | gem5-341dbf266258dcbdb1e5e9f09c244b8ac271faaf.tar.xz | |
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.
Diffstat (limited to 'src/cpu/pred')
| -rw-r--r-- | src/cpu/pred/bpred_unit.hh | 4 | ||||
| -rw-r--r-- | src/cpu/pred/bpred_unit_impl.hh | 4 |
2 files changed, 4 insertions, 4 deletions
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) { |