BFRescheduleMove Class Reference

#include <BFRescheduleMove.hh>

Inheritance diagram for BFRescheduleMove:

Collaboration diagram for BFRescheduleMove:

Public Member Functions
	BFRescheduleMove (BF2Scheduler &sched, MoveNode &mn)
void	undoOnlyMe ()
Public Member Functions inherited from BFUnscheduleMove
	BFUnscheduleMove (BF2Scheduler &sched, MoveNode &mn)
void	unscheduleOriginal ()
void	undoOnlyMe ()
bool	operator() ()
Public Member Functions inherited from BFOptimization
	BFOptimization (BF2Scheduler &sched)
virtual bool	isFinishFront ()
virtual void	mightBeReady (MoveNode &mn)
Public Member Functions inherited from Reversible
virtual void	undo ()
virtual	~Reversible ()
void	deleteChildren (std::stack< Reversible * > &children)
int	id ()
	Reversible ()

Protected Attributes
std::stack< Reversible * >	midChildren_
Protected Attributes inherited from BFUnscheduleMove
MoveNode &	mn_
int	oldCycle_
const TTAMachine::Bus *	oldBus_
const TTAMachine::Bus *	prologBus_
int	oldImmWriteCycle_
int	prologImmWriteCycle_
const TTAMachine::FunctionUnit *	dstFU_
const TTAMachine::FunctionUnit *	srcFU_
const TTAMachine::ImmediateUnit *	immu_
int	immRegIndex_
Protected Attributes inherited from BFOptimization
BF2Scheduler &	sched_
Protected Attributes inherited from Reversible
std::stack< Reversible * >	preChildren_
std::stack< Reversible * >	postChildren_

Additional Inherited Members
Static Public Member Functions inherited from BFOptimization
static void	clearPrologMoves ()
static MoveNode *	getSisterTrigger (const MoveNode &mn, const TTAMachine::Machine &mach)
Protected Member Functions inherited from BFUnscheduleMove
void	returnOriginal ()
Protected Member Functions inherited from BFOptimization
DataDependenceGraph &	ddg ()
DataDependenceGraph *	rootDDG ()
const DataDependenceGraph &	ddg () const
DataDependenceGraph *	prologDDG ()
SimpleResourceManager &	rm () const
SimpleResourceManager *	prologRM () const
BUMoveNodeSelector &	selector ()
const TTAMachine::Machine &	targetMachine () const
unsigned int	ii () const
MoveNodeDuplicator &	duplicator () const
virtual bool	assign (int cycle, MoveNode &, const TTAMachine::Bus *bus=nullptr, const TTAMachine::FunctionUnit *srcFU_=nullptr, const TTAMachine::FunctionUnit *dstFU=nullptr, const TTAMachine::Bus *prologBus=nullptr, int immWriteCycle=-1, int prologImmWriteCycle=-1, const TTAMachine::ImmediateUnit *immu=nullptr, int immRegIndex=-1, bool ignoreGuardWriteCycle=false)
virtual void	unassign (MoveNode &mn, bool disposePrologCopy=true)
virtual int	rmEC (int cycle, MoveNode &mn, const TTAMachine::Bus *bus=nullptr, const TTAMachine::FunctionUnit *srcFU=nullptr, const TTAMachine::FunctionUnit *dstFU=nullptr, const TTAMachine::Bus *prologBus=nullptr, int immWriteCycle=-1, int prologImmWriteCycle=-1, const TTAMachine::ImmediateUnit *immu=nullptr, int immRegIndex=-1)
virtual int	rmLC (int cycle, MoveNode &mn, const TTAMachine::Bus *bus=nullptr, const TTAMachine::FunctionUnit *srcFU=nullptr, const TTAMachine::FunctionUnit *dstFU=nullptr, const TTAMachine::Bus *prologBus=nullptr, int immWriteCycle=-1, int prologImmWriteCycle=-1, const TTAMachine::ImmediateUnit *immu=nullptr, int immRegIndex=-1)
virtual bool	canAssign (int cycle, MoveNode &mn, const TTAMachine::Bus *bus=nullptr, const TTAMachine::FunctionUnit *srcFU=nullptr, const TTAMachine::FunctionUnit *dstFU=nullptr, const TTAMachine::Bus *prologBus=nullptr, int immWriteCycle=-1, int prologImmWriteCycle=-1, const TTAMachine::ImmediateUnit *immu=nullptr, int immRegIndex=-1, bool ignoreGWN=false)
bool	putAlsoToPrologEpilog (int cycle, MoveNode &mn)
void	setPrologSrcFUAnno (MoveNode &prologMN, MoveNode &loopMN)
void	setPrologDstFUAnno (MoveNode &prologMN, MoveNode &loopMN)
void	setJumpGuard (MoveNode &mn)
void	unsetJumpGuard (MoveNode &mn)
bool	needJumpGuard (const MoveNode &mn, int cycle)
int	jumpGuardAvailableCycle (const MoveNode &mn)
bool	canBeSpeculated (const Operation &op)
bool	canBeSpeculated (const MoveNode &mn)
bool	usePrologMove (const MoveNode &mn)
bool	canBeScheduled (const MoveNode &mn)
const TTAMachine::RegisterFile *	RFReadPortCountPreventsScheduling (const MoveNode &mn)
bool	immCountPreventsScheduling (const MoveNode &mn)
Protected Member Functions inherited from Reversible
bool	runPreChild (Reversible *preChild)
bool	runPostChild (Reversible *preChild)
bool	runChild (std::stack< Reversible * > &children, Reversible *child)
bool	runChild (Reversible *child, bool pre)
void	undoAndRemovePreChildren ()
void	undoAndRemovePostChildren ()
void	undoAndRemoveChildren (std::stack< Reversible * > &children)
Static Protected Attributes inherited from BFUnscheduleMove
static int	recurseCounter_ = 0
Static Protected Attributes inherited from BFOptimization
static std::map< MoveNode *, MoveNode *, MoveNode::Comparator >	prologMoves_

Detailed Description

Definition at line 47 of file BFRescheduleMove.hh.

Constructor & Destructor Documentation

BFRescheduleMove()

BFRescheduleMove::BFRescheduleMove ( BF2Scheduler &  sched, MoveNode &  mn  )

inline

Definition at line 50 of file BFRescheduleMove.hh.

                                           :
        BFUnscheduleMove(sched, mn) {}

Member Function Documentation

undoOnlyMe()

void BFRescheduleMove::undoOnlyMe ( )

virtual

Undoes the operations done by this class but not children. This method should be overloaded by most derived classes.

Reimplemented from Reversible.

Definition at line 42 of file BFRescheduleMove.cc.

                                  {
#ifdef DEBUG_BUBBLEFISH_SCHEDULER
    for (int i = 0; i < recurseCounter_*2; i++)
        std::cerr << "\t";
 
    std::cerr << "\t\tUndoing rechedule: " << mn_.toString()
              << " setting bus to: " << oldBus_->name()
          << std::endl;
#endif
    if (!mn_.isScheduled()) {
        for (int i = 0; i < recurseCounter_*2; i++)
            std::cerr << "\t";
 
        std::cerr << "\t\tCannot unschedule on undo of reschedule,"
                  << " mn not sched: " << mn_.toString() << std::endl;
        for (int i = 0; i < recurseCounter_*2; i++)
            std::cerr << "\t";
 
        std::cerr << "\t\tShould return it to cycle" << oldCycle_ << std::endl;
        assert(false);
    }
    unassign(mn_, false);
 
    undoAndRemoveChildren(midChildren_);
#ifdef DEBUG_BUBBLEFISH_SCHEDULER
    if (&mn_.move().bus() != &UniversalMachine::instance().universalBus()) {
        std::cerr << "\t\t\tWARNING: bus not universalbus: "
                  << mn_.move().bus().name() << std::endl;
        std::cerr << "\tOld bus: " << oldBus_->name() << std::endl;
    }
#endif
    returnOriginal();
#ifdef DEBUG_BUBBLEFISH_SCHEDULER
    std::cerr << "\t\tundid reschedule, move now: " << mn_.move().toString()
              << std::endl;
#endif
}

References assert, TTAProgram::Move::bus(), UniversalMachine::instance(), MoveNode::isScheduled(), midChildren_, BFUnscheduleMove::mn_, MoveNode::move(), TTAMachine::Component::name(), BFUnscheduleMove::oldBus_, BFUnscheduleMove::oldCycle_, BFUnscheduleMove::recurseCounter_, BFUnscheduleMove::returnOriginal(), TTAProgram::Move::toString(), MoveNode::toString(), BFOptimization::unassign(), Reversible::undoAndRemoveChildren(), and UniversalMachine::universalBus().

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Member Data Documentation

midChildren_

std::stack<Reversible*> BFRescheduleMove::midChildren_

protected

Definition at line 55 of file BFRescheduleMove.hh.

Referenced by BFPushMoveUp::operator()(), and undoOnlyMe().

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The documentation for this class was generated from the following files:

• BFRescheduleMove.hh
• BFRescheduleMove.cc