gem5::branch_prediction::TournamentBP::BPHistory Struct Reference

The branch history information that is created upon predicting a branch. More...

Public Attributes
unsigned	globalHistory
unsigned	localHistoryIdx
unsigned	localHistory
bool	localPredTaken
bool	globalPredTaken
bool	globalUsed

Detailed Description

The branch history information that is created upon predicting a branch.

It will be passed back upon updating and squashing, when the BP can use this information to update/restore its state properly.

Definition at line 116 of file tournament.hh.

Member Data Documentation

globalHistory

unsigned gem5::branch_prediction::TournamentBP::BPHistory::globalHistory

Definition at line 126 of file tournament.hh.

Referenced by gem5::branch_prediction::TournamentBP::lookup(), gem5::branch_prediction::TournamentBP::squash(), gem5::branch_prediction::TournamentBP::update(), and gem5::branch_prediction::TournamentBP::updateHistories().

globalPredTaken

bool gem5::branch_prediction::TournamentBP::BPHistory::globalPredTaken

Definition at line 130 of file tournament.hh.

Referenced by gem5::branch_prediction::TournamentBP::lookup(), gem5::branch_prediction::TournamentBP::update(), and gem5::branch_prediction::TournamentBP::updateHistories().

globalUsed

bool gem5::branch_prediction::TournamentBP::BPHistory::globalUsed

Definition at line 131 of file tournament.hh.

Referenced by gem5::branch_prediction::TournamentBP::lookup(), and gem5::branch_prediction::TournamentBP::updateHistories().

localHistory

unsigned gem5::branch_prediction::TournamentBP::BPHistory::localHistory

Definition at line 128 of file tournament.hh.

Referenced by gem5::branch_prediction::TournamentBP::lookup(), gem5::branch_prediction::TournamentBP::squash(), gem5::branch_prediction::TournamentBP::update(), and gem5::branch_prediction::TournamentBP::updateHistories().

localHistoryIdx

unsigned gem5::branch_prediction::TournamentBP::BPHistory::localHistoryIdx

Definition at line 127 of file tournament.hh.

Referenced by gem5::branch_prediction::TournamentBP::lookup(), gem5::branch_prediction::TournamentBP::squash(), and gem5::branch_prediction::TournamentBP::updateHistories().

localPredTaken

bool gem5::branch_prediction::TournamentBP::BPHistory::localPredTaken

Definition at line 129 of file tournament.hh.

Referenced by gem5::branch_prediction::TournamentBP::lookup(), gem5::branch_prediction::TournamentBP::update(), and gem5::branch_prediction::TournamentBP::updateHistories().

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

• cpu/pred/tournament.hh