gem5::PhysRegId Class Reference

Physical register ID. More...

#include <reg_class.hh>

Inheritance diagram for gem5::PhysRegId:

Public Member Functions
	PhysRegId ()
	PhysRegId (RegClassType _regClass, RegIndex _regIdx, RegIndex _flatIdx)
	Scalar PhysRegId constructor. More...
	PhysRegId (RegClassType _regClass, RegIndex _regIdx, ElemIndex elem_idx, RegIndex flat_idx)
	Vector PhysRegId constructor (w/ elemIndex). More...
bool	isFixedMapping () const
	Returns true if this register is always associated to the same architectural register. More...
const RegIndex &	flatIndex () const
	Flat index accessor. More...
int	getNumPinnedWrites () const
void	setNumPinnedWrites (int numWrites)
void	decrNumPinnedWrites ()
void	incrNumPinnedWrites ()
bool	isPinned () const
int	getNumPinnedWritesToComplete () const
void	setNumPinnedWritesToComplete (int numWrites)
void	decrNumPinnedWritesToComplete ()
void	incrNumPinnedWritesToComplete ()
bool	operator< (const PhysRegId &that) const
	Explicit forward methods, to prevent comparisons of PhysRegId with RegIds. More...
bool	operator== (const PhysRegId &that) const
bool	operator!= (const PhysRegId &that) const
RegIndex	index () const
	Visible RegId methods. More...
RegClassType	classValue () const
	Class accessor. More...
const char *	className () const
	Return a const char* with the register class name. More...
RegIndex	elemIndex () const
	Elem accessor. More...
bool	is (RegClassType reg_class) const

Static Public Member Functions
static PhysRegId	elemId (PhysRegId *vid, ElemIndex elem)

Private Attributes
RegIndex	flatIdx
int	numPinnedWritesToComplete
bool	pinned
Private Attributes inherited from gem5::RegId
RegClassType	regClass
RegIndex	regIdx
ElemIndex	elemIdx
int	numPinnedWrites

Additional Inherited Members
Private Member Functions inherited from gem5::RegId
	RegId ()
	RegId (RegClassType reg_class, RegIndex reg_idx)
	RegId (RegClassType reg_class, RegIndex reg_idx, ElemIndex elem_idx)
bool	operator== (const RegId &that) const
bool	operator!= (const RegId &that) const
bool	operator< (const RegId &that) const
	Order operator. More...
bool	isRenameable () const
	Return true if this register can be renamed. More...
bool	is (RegClassType reg_class) const
RegIndex	elemIndex () const
	Elem accessor. More...
RegClassType	classValue () const
	Class accessor. More...
const char *	className () const
	Return a const char* with the register class name. More...
int	getNumPinnedWrites () const
void	setNumPinnedWrites (int num_writes)
RegIndex	index () const
	Index accessors. More...
RegIndex	flatIndex () const
	Index flattening. More...
Static Private Attributes inherited from gem5::RegId
static const char *	regClassStrings []
static constexpr size_t	Scale = TheISA::NumVecElemPerVecReg

Detailed Description

Physical register ID.

Like a register ID but physical. The inheritance is private because the only relationship between this types is functional, and it is done to prevent code replication.

Definition at line 224 of file reg_class.hh.

Constructor & Destructor Documentation

PhysRegId() [1/3]

gem5::PhysRegId::PhysRegId ( )

inlineexplicit

Definition at line 232 of file reg_class.hh.

Referenced by elemId().

PhysRegId() [2/3]

gem5::PhysRegId::PhysRegId ( RegClassType  _regClass, RegIndex  _regIdx, RegIndex  _flatIdx  )

inlineexplicit

Scalar PhysRegId constructor.

Definition at line 237 of file reg_class.hh.

PhysRegId() [3/3]

gem5::PhysRegId::PhysRegId ( RegClassType  _regClass, RegIndex  _regIdx, ElemIndex  elem_idx, RegIndex  flat_idx  )

inlineexplicit

Vector PhysRegId constructor (w/ elemIndex).

Definition at line 244 of file reg_class.hh.

Member Function Documentation

className()

const char* gem5::RegId::className

inline

Return a const char* with the register class name.

Definition at line 208 of file reg_class.hh.

Referenced by gem5::o3::UnifiedFreeList::addReg(), gem5::o3::InstructionQueue::addToDependents(), gem5::o3::InstructionQueue::addToProducers(), gem5::o3::Rename::renameSrcRegs(), gem5::o3::Scoreboard::setReg(), gem5::o3::ElasticTrace::updateRegDep(), and gem5::o3::InstructionQueue::wakeDependents().

classValue()

RegClassType gem5::RegId::classValue

inline

Class accessor.

Definition at line 206 of file reg_class.hh.

Referenced by gem5::o3::UnifiedFreeList::addReg().

decrNumPinnedWrites()

void gem5::PhysRegId::decrNumPinnedWrites ( )

inline

Definition at line 313 of file reg_class.hh.

References gem5::RegId::numPinnedWrites.

Referenced by gem5::o3::SimpleRenameMap::rename().

decrNumPinnedWritesToComplete()

void gem5::PhysRegId::decrNumPinnedWritesToComplete ( )

inline

Definition at line 330 of file reg_class.hh.

References numPinnedWritesToComplete.

Referenced by gem5::o3::InstructionQueue::wakeDependents().

elemId()

static PhysRegId gem5::PhysRegId::elemId ( PhysRegId *  vid, ElemIndex  elem  )

inlinestatic

Definition at line 292 of file reg_class.hh.

References index(), is(), PhysRegId(), gem5::VecElemClass, and gem5::VecRegClass.

elemIndex()

RegIndex gem5::RegId::elemIndex

inline

Elem accessor.

Definition at line 204 of file reg_class.hh.

Referenced by gem5::o3::PhysRegFile::readVecElem(), and gem5::o3::PhysRegFile::setVecElem().

flatIndex()

const RegIndex& gem5::PhysRegId::flatIndex ( ) const

inline

Flat index accessor.

Definition at line 289 of file reg_class.hh.

References flatIdx.

Referenced by gem5::o3::InstructionQueue::addToDependents(), gem5::o3::InstructionQueue::addToProducers(), gem5::o3::InstructionQueue::doSquash(), gem5::o3::Scoreboard::getReg(), gem5::o3::SimpleRenameMap::rename(), gem5::o3::Rename::renameSrcRegs(), gem5::o3::Scoreboard::setReg(), gem5::o3::Scoreboard::unsetReg(), gem5::o3::ElasticTrace::updateRegDep(), and gem5::o3::InstructionQueue::wakeDependents().

getNumPinnedWrites()

int gem5::PhysRegId::getNumPinnedWrites ( ) const

inline

Definition at line 298 of file reg_class.hh.

References gem5::RegId::numPinnedWrites.

Referenced by gem5::o3::SimpleRenameMap::rename().

getNumPinnedWritesToComplete()

int gem5::PhysRegId::getNumPinnedWritesToComplete ( ) const

inline

Definition at line 319 of file reg_class.hh.

References numPinnedWritesToComplete.

Referenced by gem5::o3::InstructionQueue::wakeDependents().

incrNumPinnedWrites()

void gem5::PhysRegId::incrNumPinnedWrites ( )

inline

Definition at line 314 of file reg_class.hh.

References gem5::RegId::numPinnedWrites.

Referenced by gem5::o3::DynInst::setSquashed().

incrNumPinnedWritesToComplete()

void gem5::PhysRegId::incrNumPinnedWritesToComplete ( )

inline

Definition at line 331 of file reg_class.hh.

References numPinnedWritesToComplete.

Referenced by gem5::o3::DynInst::setSquashed().

index()

RegIndex gem5::RegId::index

inline

Visible RegId methods.

Definition at line 180 of file reg_class.hh.

Referenced by gem5::o3::UnifiedFreeList::addReg(), gem5::o3::InstructionQueue::addToDependents(), gem5::o3::InstructionQueue::addToProducers(), elemId(), gem5::o3::Scoreboard::getReg(), gem5::o3::PhysRegFile::readCCReg(), gem5::o3::PhysRegFile::readFloatReg(), gem5::o3::PhysRegFile::readIntReg(), gem5::o3::PhysRegFile::readVecElem(), gem5::o3::PhysRegFile::readVecPredReg(), gem5::o3::PhysRegFile::readVecReg(), gem5::o3::SimpleRenameMap::rename(), gem5::o3::Rename::renameSrcRegs(), gem5::o3::PhysRegFile::setCCReg(), gem5::o3::PhysRegFile::setFloatReg(), gem5::o3::PhysRegFile::setIntReg(), gem5::o3::Scoreboard::setReg(), gem5::o3::PhysRegFile::setVecElem(), gem5::o3::PhysRegFile::setVecPredReg(), gem5::o3::PhysRegFile::setVecReg(), gem5::o3::Scoreboard::unsetReg(), and gem5::o3::InstructionQueue::wakeDependents().

is()

bool gem5::RegId::is

inline

Returns

true if it is of the specified class.

Definition at line 176 of file reg_class.hh.

Referenced by elemId(), gem5::o3::Scoreboard::getReg(), gem5::o3::PhysRegFile::readCCReg(), gem5::o3::PhysRegFile::readFloatReg(), gem5::o3::PhysRegFile::readIntReg(), gem5::o3::PhysRegFile::readVecElem(), gem5::o3::PhysRegFile::readVecPredReg(), gem5::o3::PhysRegFile::readVecReg(), gem5::o3::PhysRegFile::setCCReg(), gem5::o3::UnifiedRenameMap::setEntry(), gem5::o3::PhysRegFile::setFloatReg(), gem5::o3::PhysRegFile::setIntReg(), gem5::o3::PhysRegFile::setVecElem(), gem5::o3::PhysRegFile::setVecPredReg(), gem5::o3::PhysRegFile::setVecReg(), and gem5::o3::Scoreboard::unsetReg().

isFixedMapping()

bool gem5::PhysRegId::isFixedMapping ( ) const

inline

Returns true if this register is always associated to the same architectural register.

Definition at line 286 of file reg_class.hh.

References gem5::RegId::isRenameable().

Referenced by gem5::o3::InstructionQueue::addToDependents(), gem5::o3::InstructionQueue::addToProducers(), gem5::o3::InstructionQueue::doSquash(), gem5::o3::Scoreboard::getReg(), gem5::o3::Scoreboard::setReg(), gem5::o3::Scoreboard::unsetReg(), and gem5::o3::InstructionQueue::wakeDependents().

isPinned()

bool gem5::PhysRegId::isPinned ( ) const

inline

Definition at line 316 of file reg_class.hh.

References pinned.

Referenced by gem5::o3::DynInst::renameDestReg(), gem5::o3::DynInst::setSquashed(), and gem5::o3::InstructionQueue::wakeDependents().

operator!=()

bool gem5::PhysRegId::operator!= ( const PhysRegId &  that ) const

inline

Definition at line 276 of file reg_class.hh.

References gem5::RegId::operator!=().

operator<()

bool gem5::PhysRegId::operator< ( const PhysRegId &  that ) const

inline

Explicit forward methods, to prevent comparisons of PhysRegId with RegIds.

Definition at line 264 of file reg_class.hh.

References gem5::RegId::operator<().

operator==()

bool gem5::PhysRegId::operator== ( const PhysRegId &  that ) const

inline

Definition at line 270 of file reg_class.hh.

References gem5::RegId::operator==().

setNumPinnedWrites()

void gem5::PhysRegId::setNumPinnedWrites ( int  numWrites )

inline

Definition at line 301 of file reg_class.hh.

References gem5::RegId::numPinnedWrites, and pinned.

Referenced by gem5::o3::SimpleRenameMap::rename().

setNumPinnedWritesToComplete()

void gem5::PhysRegId::setNumPinnedWritesToComplete ( int  numWrites )

inline

Definition at line 325 of file reg_class.hh.

References numPinnedWritesToComplete.

Referenced by gem5::o3::SimpleRenameMap::rename().

Member Data Documentation

flatIdx

RegIndex gem5::PhysRegId::flatIdx

private

Definition at line 227 of file reg_class.hh.

Referenced by flatIndex().

numPinnedWritesToComplete

int gem5::PhysRegId::numPinnedWritesToComplete

private

Definition at line 228 of file reg_class.hh.

Referenced by decrNumPinnedWritesToComplete(), getNumPinnedWritesToComplete(), incrNumPinnedWritesToComplete(), and setNumPinnedWritesToComplete().

pinned

bool gem5::PhysRegId::pinned

private

Definition at line 229 of file reg_class.hh.

Referenced by isPinned(), and setNumPinnedWrites().

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

• cpu/reg_class.hh