Public Member Functions
	PredictorHistory (const InstSeqNum &seq_num, Addr instPC, bool pred_taken, void bp_history, void indirect_history, ThreadID _tid, const StaticInstPtr &inst)
	Makes a predictor history struct that contains any information needed to update the predictor, BTB, and RAS. More...

bool	operator== (const PredictorHistory &entry) const

Public Attributes
InstSeqNum	seqNum
	The sequence number for the predictor history entry. More...

Addr	pc
	The PC associated with the sequence number. More...

void *	bpHistory
	Pointer to the history object passed back from the branch predictor. More...

void *	indirectHistory

TheISA::PCState	RASTarget
	The RAS target (only valid if a return). More...

unsigned	RASIndex
	The RAS index of the instruction (only valid if a call). More...

ThreadID	tid
	The thread id. More...

bool	predTaken
	Whether or not it was predicted taken. More...

bool	usedRAS
	Whether or not the RAS was used. More...

bool	pushedRAS

bool	wasCall
	Whether or not the instruction was a call. More...

bool	wasReturn
	Whether or not the instruction was a return. More...

bool	wasIndirect
	Wether this instruction was an indirect branch. More...

Addr	target
	Target of the branch. More...

const StaticInstPtr	inst
	The branch instrction. More...

Detailed Description

Definition at line 194 of file bpred_unit.hh.

Constructor & Destructor Documentation

◆ PredictorHistory()

gem5::branch_prediction::BPredUnit::PredictorHistory::PredictorHistory	(	const InstSeqNum &	seq_num,
		Addr	instPC,
		bool	pred_taken,
		void *	bp_history,
		void *	indirect_history,
		ThreadID	_tid,
		const StaticInstPtr &	inst
	)

inline

Makes a predictor history struct that contains any information needed to update the predictor, BTB, and RAS.

Definition at line 200 of file bpred_unit.hh.

Member Function Documentation

◆ operator==()

bool gem5::branch_prediction::BPredUnit::PredictorHistory::operator== ( const PredictorHistory & entry ) const

inline

Definition at line 211 of file bpred_unit.hh.

References seqNum.

Member Data Documentation

◆ bpHistory

void* gem5::branch_prediction::BPredUnit::PredictorHistory::bpHistory

Pointer to the history object passed back from the branch predictor.

It is used to update or restore state of the branch predictor.

Definition at line 225 of file bpred_unit.hh.

◆ indirectHistory

void* gem5::branch_prediction::BPredUnit::PredictorHistory::indirectHistory

Definition at line 227 of file bpred_unit.hh.

◆ inst

const StaticInstPtr gem5::branch_prediction::BPredUnit::PredictorHistory::inst

The branch instrction.

Definition at line 262 of file bpred_unit.hh.

◆ pc

Addr gem5::branch_prediction::BPredUnit::PredictorHistory::pc

The PC associated with the sequence number.

Definition at line 219 of file bpred_unit.hh.

◆ predTaken

bool gem5::branch_prediction::BPredUnit::PredictorHistory::predTaken

Whether or not it was predicted taken.

Definition at line 239 of file bpred_unit.hh.

Referenced by gem5::branch_prediction::BPredUnit::predict().

◆ pushedRAS

bool gem5::branch_prediction::BPredUnit::PredictorHistory::pushedRAS

Definition at line 245 of file bpred_unit.hh.

Referenced by gem5::branch_prediction::BPredUnit::predict().

◆ RASIndex

unsigned gem5::branch_prediction::BPredUnit::PredictorHistory::RASIndex

The RAS index of the instruction (only valid if a call).

Definition at line 233 of file bpred_unit.hh.

Referenced by gem5::branch_prediction::BPredUnit::predict().

◆ RASTarget

TheISA::PCState gem5::branch_prediction::BPredUnit::PredictorHistory::RASTarget

The RAS target (only valid if a return).

Definition at line 230 of file bpred_unit.hh.

Referenced by gem5::branch_prediction::BPredUnit::predict().

◆ seqNum

InstSeqNum gem5::branch_prediction::BPredUnit::PredictorHistory::seqNum

The sequence number for the predictor history entry.

Definition at line 216 of file bpred_unit.hh.

Referenced by operator==().

◆ target

Addr gem5::branch_prediction::BPredUnit::PredictorHistory::target

Target of the branch.

First it is predicted, and fixed later if necessary

Definition at line 259 of file bpred_unit.hh.

Referenced by gem5::branch_prediction::BPredUnit::predict().

◆ tid

ThreadID gem5::branch_prediction::BPredUnit::PredictorHistory::tid

The thread id.

Definition at line 236 of file bpred_unit.hh.

◆ usedRAS

bool gem5::branch_prediction::BPredUnit::PredictorHistory::usedRAS

Whether or not the RAS was used.

Definition at line 242 of file bpred_unit.hh.

Referenced by gem5::branch_prediction::BPredUnit::predict().

◆ wasCall

bool gem5::branch_prediction::BPredUnit::PredictorHistory::wasCall

Whether or not the instruction was a call.

Definition at line 248 of file bpred_unit.hh.

Referenced by gem5::branch_prediction::BPredUnit::predict().

◆ wasIndirect

bool gem5::branch_prediction::BPredUnit::PredictorHistory::wasIndirect

Wether this instruction was an indirect branch.

Definition at line 254 of file bpred_unit.hh.

Referenced by gem5::branch_prediction::BPredUnit::predict().

◆ wasReturn

bool gem5::branch_prediction::BPredUnit::PredictorHistory::wasReturn

Whether or not the instruction was a return.

Definition at line 251 of file bpred_unit.hh.

Referenced by gem5::branch_prediction::BPredUnit::predict().

The documentation for this struct was generated from the following file:

cpu/pred/bpred_unit.hh

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ PredictorHistory()

Member Function Documentation

◆ operator==()

Member Data Documentation

◆ bpHistory

◆ indirectHistory

◆ inst

◆ pc

◆ predTaken

◆ pushedRAS

◆ RASIndex

◆ RASTarget

◆ seqNum

◆ target

◆ tid

◆ usedRAS

◆ wasCall

◆ wasIndirect

◆ wasReturn