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arch: Use const StaticInstPtr references where possible

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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.
This commit is contained in:
Andreas Hansson
2014-09-27 09:08:36 -04:00
parent deb2200671
commit 341dbf2662
47 changed files with 194 additions and 191 deletions
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4
src/cpu/pred/bpred_unit.hh
View File

@@ -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);

4
src/cpu/pred/bpred_unit_impl.hh
View File

@@ -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)
{