predictor.h

//Ye Wang
//CPEG652
//October 23,2015
#ifndef _PREDICTOR_H_
#define _PREDICTOR_H_

#include "utils.h"
#include "tracer.h"


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/////////////////////////////////////////////////////////////

class PREDICTOR{

  // The state is defined for Gshare, change for your design

 private:
  UINT32  ghr;           // global history register
  UINT32  *pht[4];          // pattern history table
  UINT32  historyLength[4]; // history length
  UINT32  numPhtEntries[4]; // entries in pht
  int state;      //prediction result recorder
 public:

  // The interface to the four functions below CAN NOT be changed

  PREDICTOR(void);
  bool    GetPrediction(UINT32 PC);  
  void    UpdatePredictor(UINT32 PC, bool resolveDir, bool predDir, UINT32 branchTarget);
  void    TrackOtherInst(UINT32 PC, OpType opType, UINT32 branchTarget);

  // Contestants can define their own functions below

};



/***********************************************************/
#endif