#include <tage_sc_l.hh>
Inheritance diagram for TAGE_SC_L_LoopPredictor:
Public Member Functions | |
| TAGE_SC_L_LoopPredictor (TAGE_SC_L_LoopPredictorParams *p) | |
| virtual bool | calcConf (int index) const override |
| virtual bool | optionalAgeInc () const override |
 Public Member Functions inherited from LoopPredictor | |
| int | lindex (Addr pc_in, unsigned instShiftAmt) const |
| Computes the index used to access the loop predictor. More... | |
| int | finallindex (int lindex, int lowPcBits, int way) const |
| Computes the index used to access the ltable structures. More... | |
| bool | getLoop (Addr pc, BranchInfo *bi, bool speculative, unsigned instShiftAmt) const |
| Get a branch prediction from the loop predictor. More... | |
| void | loopUpdate (Addr pc, bool Taken, BranchInfo *bi, bool tage_pred) |
| Updates the loop predictor. More... | |
| void | specLoopUpdate (bool taken, BranchInfo *bi) |
| Speculatively updates the loop predictor iteration count (only for useSpeculation). More... | |
| void | condBranchUpdate (ThreadID tid, Addr branch_pc, bool taken, bool tage_pred, BranchInfo *bi, unsigned instShiftAmt) |
| Update LTAGE for conditional branches. More... | |
| bool | loopPredict (ThreadID tid, Addr branch_pc, bool cond_branch, BranchInfo *bi, bool prev_pred_taken, unsigned instShiftAmt) |
| Get the loop prediction. More... | |
| void | updateStats (bool taken, BranchInfo *bi) |
| Update the stats. More... | |
| 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. More... | |
| void | init () override |
| Initialize the loop predictor. More... | |
| LoopPredictor (LoopPredictorParams *p) | |
| size_t | getSizeInBits () const |
| Public Member Functions inherited from SimObject | |
| const Params * | params () const |
| SimObject (const Params *_params) | |
| virtual | ~SimObject () |
| virtual const std::string | name () const |
| virtual void | loadState (CheckpointIn &cp) |
| loadState() is called on each SimObject when restoring from a checkpoint. More... | |
| virtual void | initState () |
| initState() is called on each SimObject when not restoring from a checkpoint. More... | |
| virtual void | regProbePoints () |
| Register probe points for this object. More... | |
| virtual void | regProbeListeners () |
| Register probe listeners for this object. More... | |
| ProbeManager * | getProbeManager () |
| Get the probe manager for this object. More... | |
| virtual Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) |
| Get a port with a given name and index. More... | |
| virtual void | startup () |
| startup() is the final initialization call before simulation. More... | |
| DrainState | drain () override |
| Provide a default implementation of the drain interface for objects that don't need draining. More... | |
| virtual void | memWriteback () |
| Write back dirty buffers to memory using functional writes. More... | |
| virtual void | memInvalidate () |
| Invalidate the contents of memory buffers. More... | |
| void | serialize (CheckpointOut &cp) const override |
| Serialize an object. More... | |
| void | unserialize (CheckpointIn &cp) override |
| Unserialize an object. More... | |
| Public Member Functions inherited from 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. More... | |
| void | setCurTick (Tick newVal) |
| EventManager (EventManager &em) | |
| Event manger manages events in the event queue. More... | |
| EventManager (EventManager *em) | |
| EventManager (EventQueue *eq) | |
| Public Member Functions inherited from Serializable | |
| Serializable () | |
| virtual | ~Serializable () |
| void | serializeSection (CheckpointOut &cp, const char *name) const |
| Serialize an object into a new section. More... | |
| void | serializeSection (CheckpointOut &cp, const std::string &name) const |
| void | unserializeSection (CheckpointIn &cp, const char *name) |
| Unserialize an a child object. More... | |
| void | unserializeSection (CheckpointIn &cp, const std::string &name) |
| Public Member Functions inherited from Drainable | |
| DrainState | drainState () const |
| Return the current drain state of an object. More... | |
| virtual void | notifyFork () |
| Notify a child process of a fork. More... | |
| Public Member Functions inherited from Stats::Group | |
| Group (Group *parent, const char *name=nullptr) | |
| Construct a new statistics group. More... | |
| virtual | ~Group () |
| virtual void | regStats () |
| Callback to set stat parameters. More... | |
| virtual void | resetStats () |
| Callback to reset stats. More... | |
| virtual void | preDumpStats () |
| Callback before stats are dumped. More... | |
| void | addStat (Stats::Info *info) |
| Register a stat with this group. More... | |
| const std::map< std::string, Group * > & | getStatGroups () const |
| Get all child groups associated with this object. More... | |
| const std::vector< Info * > & | getStats () const |
| Get all stats associated with this object. More... | |
| void | addStatGroup (const char *name, Group *block) |
| Add a stat block as a child of this block. More... | |
| const Info * | resolveStat (std::string name) const |
| Resolve a stat by its name within this group. More... | |
| Group ()=delete | |
| Group (const Group &)=delete | |
| Group & | operator= (const Group &)=delete |
Additional Inherited Members | |
| Public Types inherited from SimObject | |
| typedef SimObjectParams | Params |
| Static Public Member Functions inherited from SimObject | |
| static void | serializeAll (CheckpointOut &cp) |
| Serialize all SimObjects in the system. More... | |
| static SimObject * | find (const char *name) |
| Find the SimObject with the given name and return a pointer to it. More... | |
| Static Public Member Functions inherited from Serializable | |
| static const std::string & | currentSection () |
| Gets the fully-qualified name of the active section. More... | |
| static void | serializeAll (const std::string &cpt_dir) |
| Serializes all the SimObjects. More... | |
| static void | unserializeGlobals (CheckpointIn &cp) |
| Protected Member Functions inherited from Drainable | |
| Drainable () | |
| virtual | ~Drainable () |
| virtual void | drainResume () |
| Resume execution after a successful drain. More... | |
| void | signalDrainDone () const |
| Signal that an object is drained. More... | |
| Static Protected Member Functions inherited from LoopPredictor | |
| static void | unsignedCtrUpdate (uint8_t &ctr, bool up, unsigned nbits) |
| Updates an unsigned counter based on up/down parameter. More... | |
| static void | signedCtrUpdate (int8_t &ctr, bool up, unsigned nbits) |
| Protected Attributes inherited from 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 |
| LoopPredictor::LoopPredictorStats | stats |
| Protected Attributes inherited from SimObject | |
| const SimObjectParams * | _params |
| Cached copy of the object parameters. More... | |
| Protected Attributes inherited from EventManager | |
| EventQueue * | eventq |
| A pointer to this object's event queue. More... | |
Detailed Description
Definition at line 137 of file tage_sc_l.hh.
Constructor & Destructor Documentation
◆ TAGE_SC_L_LoopPredictor()
|
inline |
Definition at line 140 of file tage_sc_l.hh.
Member Function Documentation
◆ calcConf()
|
overridevirtual |
Reimplemented from LoopPredictor.
Definition at line 49 of file tage_sc_l.cc.
References LoopPredictor::calcConf(), LoopPredictor::LoopEntry::confidence, MipsISA::index, LoopPredictor::ltable, and LoopPredictor::LoopEntry::numIter.
◆ optionalAgeInc()
|
overridevirtual |
Reimplemented from LoopPredictor.
Definition at line 56 of file tage_sc_l.cc.
References Random::random(), and random_mt.
The documentation for this class was generated from the following files:
- cpu/pred/tage_sc_l.hh
- cpu/pred/tage_sc_l.cc