CachePenalty.h

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/*
 *      $Id$
 *      
 *
 *      This file is part of OTAWA
 *      Copyright (c) 2007, IRIT UPS.
 * 
 *      OTAWA is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *
 *      OTAWA is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with OTAWA; if not, write to the Free Software 
 *      Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 *      02110-1301  USA
 */
#ifndef CACHE_PENALTY_H_
#define CACHE_PENALTY_H_

#include <otawa/prop/Identifier.h>


namespace otawa {
        
        class CachePenalty {
        public:
                typedef enum {MISS, MISS_MISS, HIT_MISS, x_HIT} cache_penalty_type_t;
        private:
                BasicBlock *_header[2];
                int _penalty[4];  
        public:
                CachePenalty(){
                        _header[0] = NULL;
                        _header[1] = NULL;
                        for (int i=0 ; i<4 ; i++){
                                _penalty[i] = 0;
                        }
                }
                inline void setHeader(int index, BasicBlock *bb)
                { _header[index] = bb;}
                inline BasicBlock *header(int index){
                        return _header[index];
                }
                inline void setPenalty(cache_penalty_type_t type, int value)
                { _penalty[type] = value; }
                inline int penalty(cache_penalty_type_t type){
                        return _penalty[type];
                }
                void dump(elm::io::Output &out){
                        if (_header[0]){
                                out << "h0=b" << _header[0]->number();
                                if (_header[1])
                                        out << " - h1=b" << _header[1]->number();
                                if (!_header[1])
                                        out << " - p[MISS]=" << _penalty[MISS];
                                else {
                                        out << " - p[MISS_MISS]=" << _penalty[MISS_MISS];
                                        out << " - p[HIT_MISS]=" << _penalty[HIT_MISS];
                                        out << " - p[x_HIT]=" << _penalty[x_HIT];
                                }
                        }
                }
        };

        extern Identifier<CachePenalty *> ICACHE_PENALTY;


}

#endif /*CACHE_PENALTY_H_*/