BFUpdateMoveOnBypass Class Reference

#include <BFUpdateMoveOnBypass.hh>

Inheritance diagram for BFUpdateMoveOnBypass:

Collaboration diagram for BFUpdateMoveOnBypass:

Public Member Functions
	BFUpdateMoveOnBypass (BF2Scheduler &sched, MoveNode &src, MoveNode &mn)
bool	operator() () override
virtual	~BFUpdateMoveOnBypass ()
TCEString	reg ()
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 Member Functions
void	undoOnlyMe () override
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)

Private Attributes
MoveNode &	src_
MoveNode &	dst_
bool	force_
TCEString	reg_

Additional Inherited Members
Static Public Member Functions inherited from BFOptimization
static void	clearPrologMoves ()
static MoveNode *	getSisterTrigger (const MoveNode &mn, const TTAMachine::Machine &mach)
Protected Attributes inherited from BFOptimization
BF2Scheduler &	sched_
Protected Attributes inherited from Reversible
std::stack< Reversible * >	preChildren_
std::stack< Reversible * >	postChildren_
Static Protected Attributes inherited from BFOptimization
static std::map< MoveNode *, MoveNode *, MoveNode::Comparator >	prologMoves_

Detailed Description

Definition at line 41 of file BFUpdateMoveOnBypass.hh.

Constructor & Destructor Documentation

BFUpdateMoveOnBypass()

BFUpdateMoveOnBypass::BFUpdateMoveOnBypass ( BF2Scheduler &  sched, MoveNode &  src, MoveNode &  mn  )

inline

Definition at line 44 of file BFUpdateMoveOnBypass.hh.

                                       :
        BFOptimization(sched), src_(src), dst_(mn) {}

~BFUpdateMoveOnBypass()

virtual BFUpdateMoveOnBypass::~BFUpdateMoveOnBypass ( )

inlinevirtual

Definition at line 49 of file BFUpdateMoveOnBypass.hh.

{}

Member Function Documentation

operator()()

bool BFUpdateMoveOnBypass::operator() ( )

overridevirtual

This performs the operation. Returns true if success, false if fail.

Implements Reversible.

Definition at line 41 of file BFUpdateMoveOnBypass.cc.

                                      {
 
    auto& dm = dst_.move();
    auto& sm = src_.move();
 
    // update the move
    dm.setSource(sm.source().copy());
 
    if (!src_.isSourceOperation()) {
        return true;
    }
 
    ProgramOperationPtr srcOp = src_.sourceOperationPtr();
    srcOp->addOutputNode(dst_);
    dst_.setSourceOperationPtr(srcOp);
 
    // set fu annotations
    for (int j = 0; j < sm.annotationCount(); j++) {
        TTAProgram::ProgramAnnotation anno = sm.annotation(j);
        if (anno.id() == ProgramAnnotation::ANN_ALLOWED_UNIT_SRC) {
            dm.addAnnotation(
                ProgramAnnotation(
                    ProgramAnnotation::ANN_ALLOWED_UNIT_SRC,
                    anno.payload()));
        }
        if (anno.id() ==
            ProgramAnnotation::ANN_CONN_CANDIDATE_UNIT_SRC) {
            dm.addAnnotation(
                ProgramAnnotation(
                    ProgramAnnotation::ANN_CONN_CANDIDATE_UNIT_SRC,
                    anno.payload()));
        }
        if (anno.id() ==
            ProgramAnnotation::ANN_REJECTED_UNIT_SRC) {
            dm.addAnnotation(
                ProgramAnnotation(
                    ProgramAnnotation::ANN_REJECTED_UNIT_SRC,
                    anno.payload()));
        }
    }
    return true;
}

References dst_, TTAProgram::ProgramAnnotation::id(), MoveNode::isSourceOperation(), MoveNode::move(), TTAProgram::ProgramAnnotation::payload(), TTAProgram::Move::setSource(), MoveNode::setSourceOperationPtr(), MoveNode::sourceOperationPtr(), and src_.

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reg()

TCEString BFUpdateMoveOnBypass::reg ( )

inline

Definition at line 50 of file BFUpdateMoveOnBypass.hh.

{ return reg_; }

References reg_.

undoOnlyMe()

void BFUpdateMoveOnBypass::undoOnlyMe ( )

overrideprotectedvirtual

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 84 of file BFUpdateMoveOnBypass.cc.

                                      {
        // unset programoperation from bypassed
    if (dst_.isSourceOperation()) {
        ProgramOperation& srcOp = dst_.sourceOperation();
        srcOp.removeOutputNode(dst_);
        dst_.unsetSourceOperation();
 
        // unset fu annotations
        dst_.move().removeAnnotations(
            TTAProgram::ProgramAnnotation::ANN_ALLOWED_UNIT_SRC);
        dst_.move().removeAnnotations(
            TTAProgram::ProgramAnnotation::ANN_CONN_CANDIDATE_UNIT_SRC);
        dst_.move().removeAnnotations(
            TTAProgram::ProgramAnnotation::ANN_REJECTED_UNIT_SRC);
    }
    // do the actual unmerge by returning source to original register.
    dst_.move().setSource(src_.move().destination().copy());
}

References TTAProgram::ProgramAnnotation::ANN_ALLOWED_UNIT_SRC, TTAProgram::ProgramAnnotation::ANN_CONN_CANDIDATE_UNIT_SRC, TTAProgram::ProgramAnnotation::ANN_REJECTED_UNIT_SRC, TTAProgram::Terminal::copy(), TTAProgram::Move::destination(), dst_, MoveNode::isSourceOperation(), MoveNode::move(), TTAProgram::AnnotatedInstructionElement::removeAnnotations(), ProgramOperation::removeOutputNode(), TTAProgram::Move::setSource(), MoveNode::sourceOperation(), src_, and MoveNode::unsetSourceOperation().

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Member Data Documentation

dst_

MoveNode& BFUpdateMoveOnBypass::dst_

private

Definition at line 55 of file BFUpdateMoveOnBypass.hh.

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

force_

bool BFUpdateMoveOnBypass::force_

private

Definition at line 56 of file BFUpdateMoveOnBypass.hh.

reg_

TCEString BFUpdateMoveOnBypass::reg_

private

Definition at line 57 of file BFUpdateMoveOnBypass.hh.

Referenced by reg().

src_

MoveNode& BFUpdateMoveOnBypass::src_

private

Definition at line 54 of file BFUpdateMoveOnBypass.hh.

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

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

• BFUpdateMoveOnBypass.hh
• BFUpdateMoveOnBypass.cc