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decode.h
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decode.h
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#ifndef H_DECODE
#define H_DECODE
#include "stage.h"
#include "branchPredictor.h"
#define FREE_LIST_EMPTY_CODE " "
#define BTB_ENTRIES_COUNT 16
class Decode: public Stage {
private:
string performRegisterRenaming(string inpRegName, bool isDestinationReg);
deque<Instruction> & fInstructionQueue;
unordered_map<int, pair<int, int>> & btb;
deque<Instruction> & dInstructionQueue;
unordered_map<string, string> & mappingTable;
deque<string> & freeList;
deque<unordered_map<string, string>> & mappingTableHistory;
deque<deque<string>> & freeListHistory;
unordered_map<string, int> & branchLabelsTable;
BranchPredictor * dbp;
const int nf;
const int ni;
const bool debugMode;
public:
bool dispatch();
Decode(
deque<Instruction> & fInstructionQueue,
unordered_map<int, pair<int, int>> & btb,
deque<Instruction> & dInstructionQueue,
unordered_map<string, string> & mappingTable,
deque<string> & freeList,
deque<unordered_map<string, string>> & mappingTableHistory,
deque<deque<string>> & freeListHistory,
unordered_map<string, int> & branchLabelsTable,
BranchPredictor * dbp,
const int nf,
const int ni,
const bool debugMode
);
~Decode();
};
#endif