#ifndef PPCHAZRECS_H
#define PPCHAZRECS_H
+#include "PPCInstrInfo.h"
#include "llvm/CodeGen/ScheduleHazardRecognizer.h"
#include "llvm/CodeGen/ScoreboardHazardRecognizer.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
-#include "PPCInstrInfo.h"
namespace llvm {
-/// PPCHazardRecognizer440 - This class implements a scoreboard-based
-/// hazard recognizer for the PPC 440 and friends.
-class PPCHazardRecognizer440 : public ScoreboardHazardRecognizer {
+/// PPCScoreboardHazardRecognizer - This class implements a scoreboard-based
+/// hazard recognizer for generic PPC processors.
+class PPCScoreboardHazardRecognizer : public ScoreboardHazardRecognizer {
const ScheduleDAG *DAG;
public:
- PPCHazardRecognizer440(const InstrItineraryData *ItinData,
+ PPCScoreboardHazardRecognizer(const InstrItineraryData *ItinData,
const ScheduleDAG *DAG_) :
ScoreboardHazardRecognizer(ItinData, DAG_), DAG(DAG_) {}
+ virtual HazardType getHazardType(SUnit *SU, int Stalls);
virtual void EmitInstruction(SUnit *SU);
+ virtual void AdvanceCycle();
+ virtual void Reset();
};
/// PPCHazardRecognizer970 - This class defines a finite state automata that
// HasCTRSet - If the CTR register is set in this group, disallow BCTRL.
bool HasCTRSet;
- // Was the last instruction issued a BL8_ELF
- bool LastWasBL8_ELF;
-
// StoredPtr - Keep track of the address of any store. If we see a load from
// the same address (or one that aliases it), disallow the store. We can have
// up to four stores in one dispatch group, hence we track up to 4.