BFShareOperandWithScheduled.hh

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/*
    Copyright (c) 2002-2014 Tampere University.
 
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/**
 * @file BFShareOperandWithScheduled.hh
 *
 * Declaration of BFShareOperandWithScheduled class
 *
 * Performs an operands sharing between two (or more) operations,
 * between scheudling these operations.
 *
 * @author Heikki Kultala 2014-2020(heikki.kultala-no.spam-tuni.fi)
 * @note rating: red
 */
 
#include "BFShareOperand.hh"
 
namespace TTAMachine {
    class Bus;
    class ImmediateUnit;
}
 
class BFShareOperandWithScheduled : public BFShareOperand {
public:
    BFShareOperandWithScheduled(BF2Scheduler& sched, MoveNode& removed,
                MoveNode& scheduled):
        BFShareOperand(sched, removed, scheduled), originalCycle_(-1),
        originalRemovedBus_(NULL), prologBus_(NULL), oldImmWriteCycle_(-1),
        prologImmWriteCycle_(-1), immu_(NULL), immRegIndex_(-1)
    {}
    virtual bool operator()();
    virtual ~BFShareOperandWithScheduled() {}
protected:
    virtual void undoOnlyMe();
    int originalCycle_;
    const TTAMachine::Bus* originalRemovedBus_;
    const TTAMachine::Bus* prologBus_;
 
    int oldImmWriteCycle_;
    int prologImmWriteCycle_;
    const TTAMachine::ImmediateUnit* immu_;
    int immRegIndex_;
};