#include <multiperspective_perceptron_tage.hh>

Inheritance diagram for gem5::branch_prediction::MPP_LoopPredictor:

Public Member Functions
	MPP_LoopPredictor (const MPP_LoopPredictorParams &p)

bool	calcConf (int index) const override

bool	optionalAgeInc () const override

Public Member Functions inherited from gem5::branch_prediction::LoopPredictor
int	lindex (Addr pc_in, unsigned instShiftAmt) const
	Computes the index used to access the loop predictor.

int	finallindex (int lindex, int lowPcBits, int way) const
	Computes the index used to access the ltable structures.

bool	getLoop (Addr pc, BranchInfo *bi, bool speculative, unsigned instShiftAmt) const
	Get a branch prediction from the loop predictor.

void	loopUpdate (Addr pc, bool Taken, BranchInfo *bi, bool tage_pred)
	Updates the loop predictor.

void	specLoopUpdate (bool taken, BranchInfo *bi)
	Speculatively updates the loop predictor iteration count (only for useSpeculation).

void	condBranchUpdate (ThreadID tid, Addr branch_pc, bool taken, bool tage_pred, BranchInfo *bi, unsigned instShiftAmt)
	Update LTAGE for conditional branches.

bool	loopPredict (ThreadID tid, Addr branch_pc, bool cond_branch, BranchInfo *bi, bool prev_pred_taken, unsigned instShiftAmt)
	Get the loop prediction.

void	updateStats (bool taken, BranchInfo *bi)
	Update the stats.

void	squashLoop (BranchInfo *bi)

void	squash (ThreadID tid, BranchInfo *bi)

virtual BranchInfo *	makeBranchInfo ()

int8_t	getLoopUseCounter () const
	Gets the value of the loop use counter.

void	init () override
	Initialize the loop predictor.

	LoopPredictor (const LoopPredictorParams &p)

size_t	getSizeInBits () const

Public Member Functions inherited from gem5::SimObject
const Params &	params () const

	SimObject (const Params &p)

virtual	~SimObject ()

virtual void	loadState (CheckpointIn &cp)
	loadState() is called on each SimObject when restoring from a checkpoint.

virtual void	initState ()
	initState() is called on each SimObject when not restoring from a checkpoint.

virtual void	regProbePoints ()
	Register probe points for this object.

virtual void	regProbeListeners ()
	Register probe listeners for this object.

ProbeManager *	getProbeManager ()
	Get the probe manager for this object.

virtual Port &	getPort (const std::string &if_name, PortID idx=InvalidPortID)
	Get a port with a given name and index.

virtual void	startup ()
	startup() is the final initialization call before simulation.

DrainState	drain () override
	Provide a default implementation of the drain interface for objects that don't need draining.

virtual void	memWriteback ()
	Write back dirty buffers to memory using functional writes.

virtual void	memInvalidate ()
	Invalidate the contents of memory buffers.

void	serialize (CheckpointOut &cp) const override
	Serialize an object.

void	unserialize (CheckpointIn &cp) override
	Unserialize an object.

Public Member Functions inherited from gem5::EventManager
EventQueue *	eventQueue () const

void	schedule (Event &event, Tick when)

void	deschedule (Event &event)

void	reschedule (Event &event, Tick when, bool always=false)

void	schedule (Event *event, Tick when)

void	deschedule (Event *event)

void	reschedule (Event *event, Tick when, bool always=false)

void	wakeupEventQueue (Tick when=(Tick) -1)
	This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers.

void	setCurTick (Tick newVal)

	EventManager (EventManager &em)
	Event manger manages events in the event queue.

	EventManager (EventManager *em)

	EventManager (EventQueue *eq)

Public Member Functions inherited from gem5::Serializable
	Serializable ()

virtual	~Serializable ()

void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section.

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object.

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Public Member Functions inherited from gem5::Drainable
DrainState	drainState () const
	Return the current drain state of an object.

virtual void	notifyFork ()
	Notify a child process of a fork.

Public Member Functions inherited from gem5::statistics::Group
	Group (Group parent, const char name=nullptr)
	Construct a new statistics group.

virtual	~Group ()

virtual void	regStats ()
	Callback to set stat parameters.

virtual void	resetStats ()
	Callback to reset stats.

virtual void	preDumpStats ()
	Callback before stats are dumped.

void	addStat (statistics::Info *info)
	Register a stat with this group.

const std::map< std::string, Group * > &	getStatGroups () const
	Get all child groups associated with this object.

const std::vector< Info * > &	getStats () const
	Get all stats associated with this object.

void	addStatGroup (const char name, Group block)
	Add a stat block as a child of this block.

const Info *	resolveStat (std::string name) const
	Resolve a stat by its name within this group.

void	mergeStatGroup (Group *block)
	Merge the contents (stats & children) of a block to this block.

	Group ()=delete

	Group (const Group &)=delete

Group &	operator= (const Group &)=delete

Public Member Functions inherited from gem5::Named
	Named (const std::string &name_)

virtual	~Named ()=default

virtual std::string	name () const

Additional Inherited Members
Public Types inherited from gem5::SimObject
typedef SimObjectParams	Params

Static Public Member Functions inherited from gem5::SimObject
static void	serializeAll (const std::string &cpt_dir)
	Create a checkpoint by serializing all SimObjects in the system.

static SimObject *	find (const char *name)
	Find the SimObject with the given name and return a pointer to it.

static void	setSimObjectResolver (SimObjectResolver *resolver)
	There is a single object name resolver, and it is only set when simulation is restoring from checkpoints.

static SimObjectResolver *	getSimObjectResolver ()
	There is a single object name resolver, and it is only set when simulation is restoring from checkpoints.

Static Public Member Functions inherited from gem5::Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section.

static void	generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
	Generate a checkpoint file so that the serialization can be routed to it.

Protected Member Functions inherited from gem5::Drainable
	Drainable ()

virtual	~Drainable ()

virtual void	drainResume ()
	Resume execution after a successful drain.

void	signalDrainDone () const
	Signal that an object is drained.

Static Protected Member Functions inherited from gem5::branch_prediction::LoopPredictor
static void	unsignedCtrUpdate (uint8_t &ctr, bool up, unsigned nbits)
	Updates an unsigned counter based on up/down parameter.

static void	signedCtrUpdate (int8_t &ctr, bool up, unsigned nbits)

Protected Attributes inherited from gem5::branch_prediction::LoopPredictor
const unsigned	logSizeLoopPred

const unsigned	loopTableAgeBits

const unsigned	loopTableConfidenceBits

const unsigned	loopTableTagBits

const unsigned	loopTableIterBits

const unsigned	logLoopTableAssoc

const uint8_t	confidenceThreshold

const uint16_t	loopTagMask

const uint16_t	loopNumIterMask

const int	loopSetMask

LoopEntry *	ltable

int8_t	loopUseCounter

unsigned	withLoopBits

const bool	useDirectionBit

const bool	useSpeculation

const bool	useHashing

const bool	restrictAllocation

const unsigned	initialLoopIter

const unsigned	initialLoopAge

const bool	optionalAgeReset

gem5::branch_prediction::LoopPredictor::LoopPredictorStats	stats

Protected Attributes inherited from gem5::SimObject
const SimObjectParams &	_params
	Cached copy of the object parameters.

Protected Attributes inherited from gem5::EventManager
EventQueue *	eventq
	A pointer to this object's event queue.