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 160 of file tournament.hh.

Member Data Documentation

globalHistory

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

Definition at line 170 of file tournament.hh.

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

globalPredTaken

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

Definition at line 174 of file tournament.hh.

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

globalUsed

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

Definition at line 175 of file tournament.hh.

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

localHistory

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

Definition at line 172 of file tournament.hh.

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

localHistoryIdx

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

Definition at line 171 of file tournament.hh.

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

localPredTaken

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

Definition at line 173 of file tournament.hh.

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

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

• cpu/pred/tournament.hh