branch_result.h

Go to the documentation of this file.

/*
        Copyright (C) 1997 CFU Corporation

        File: branch_result.h
        Description: branch result
        Author: Chao-yinig Fu
        Date: Oct. 31, 2000

        ^..^
        (00)

         $__$
        <~00~>
         (oo)
          ||

        ```````
        C ^|^ D
         \ O /
*/

#ifndef INCLUDED_BRANCH_RESULT_H
#define INCLUDED_BRANCH_RESULT_H

#include <stdio.h>
#include <assert.h>

#include "my_mem_db.h"

#define MAX_NUM_OF_BR 10000

class Branch_Result
{
public:
        Branch_Result():_ip(-1),_access(0),_br_incor(0),_br_cor(0),_next(NULL) {}
        ~Branch_Result() {}

        void reset()
        {
                _ip=-1;
                _access=0;
                _br_incor=0;
                _br_cor=0;
                _next=NULL;
        }

        void set_ip(int ip) {_ip=ip;}
        void inc_access() {_access++;}
        void inc_br_incor() {_br_incor++;}
        void inc_br_cor() {_br_cor++;}
        void set_next(Branch_Result *i) {_next=i;}

        int ip() {return _ip;}
        int access() {return _access;}
        int br_incor() {return _br_incor;}
        int br_cor() {return _br_cor;}
        Branch_Result *next() {return _next;}

        void print(FILE *f)
        {
                fprintf(f,"_ip=%d _access=%d _br_incor=%d _br_cor=%d miss_rate=%.2f%%",_ip,_access,_br_incor,_br_cor,(double)100*_br_incor/_access);
        }

private:
        int _ip;
        int _access;
        int _br_incor;
        int _br_cor;

        Branch_Result *_next;
};

class Profile_Branch
{
public:
        Profile_Branch():_b(0) 
        {
                init();
        }
        Profile_Branch(int b):_b(b) 
        {
                init();
        }

        void init()
        {
                for(int i=0;i<MAX_NUM_OF_BR;i++)
                {
                        _br[i].reset();
                }
        }

        ~Profile_Branch() {}

        void record(int ip,int correct);
        void print(FILE *f,A_Proc *code_database);

private:
        int _b; // 2^_b block size
        Branch_Result _br[MAX_NUM_OF_BR];
};

#endif // INCLUDED_BRANCH_RESULT_H

---