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-rw-r--r--include/llvm/MC/MCSchedule.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/llvm/MC/MCSchedule.h b/include/llvm/MC/MCSchedule.h
index 49e3fee..3b1cdf1 100644
--- a/include/llvm/MC/MCSchedule.h
+++ b/include/llvm/MC/MCSchedule.h
@@ -78,6 +78,11 @@ public:
unsigned HighLatency;
static const unsigned DefaultHighLatency = 10;
+ // MispredictPenalty is the typical number of extra cycles the processor
+ // takes to recover from a branch misprediction.
+ unsigned MispredictPenalty;
+ static const unsigned DefaultMispredictPenalty = 10;
+
private:
// TODO: Add a reference to proc resource types and sched resource tables.
@@ -90,17 +95,18 @@ public:
// target code can use it in static initializers. The defaults need to be
// initialized in this default ctor because some clients directly instantiate
// MCSchedModel instead of using a generated itinerary.
- MCSchedModel(): IssueWidth(DefaultMinLatency),
+ MCSchedModel(): IssueWidth(DefaultIssueWidth),
MinLatency(DefaultMinLatency),
LoadLatency(DefaultLoadLatency),
HighLatency(DefaultHighLatency),
+ MispredictPenalty(DefaultMispredictPenalty),
InstrItineraries(0) {}
// Table-gen driven ctor.
- MCSchedModel(unsigned iw, int ml, unsigned ll, unsigned hl,
+ MCSchedModel(unsigned iw, int ml, unsigned ll, unsigned hl, unsigned mp,
const InstrItinerary *ii):
IssueWidth(iw), MinLatency(ml), LoadLatency(ll), HighLatency(hl),
- InstrItineraries(ii){}
+ MispredictPenalty(mp), InstrItineraries(ii){}
};
} // End llvm namespace