gem5::PhysRegId Class Reference

Physical register ID. More...

#include <reg_class.hh>

Inheritance diagram for gem5::PhysRegId:

Public Member Functions
	PhysRegId ()
	PhysRegId (RegClass _regClass, RegIndex _regIdx, RegIndex _flatIdx)
	Scalar PhysRegId constructor. More...
	PhysRegId (RegClass _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...
RegClass	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 (RegClass 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
RegClass	regClass
RegIndex	regIdx
ElemIndex	elemIdx
int	numPinnedWrites

Additional Inherited Members
Private Member Functions inherited from gem5::RegId
	RegId ()
	RegId (RegClass reg_class, RegIndex reg_idx)
	RegId (RegClass 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 (RegClass reg_class) const
RegIndex	elemIndex () const
	Elem accessor. More...
RegClass	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 198 of file reg_class.hh.

Constructor & Destructor Documentation

PhysRegId() [1/3]

gem5::PhysRegId::PhysRegId ( )

inlineexplicit

Definition at line 206 of file reg_class.hh.

Referenced by elemId().

PhysRegId() [2/3]

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

inlineexplicit

Scalar PhysRegId constructor.

Definition at line 211 of file reg_class.hh.

PhysRegId() [3/3]

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

inlineexplicit

Vector PhysRegId constructor (w/ elemIndex).

Definition at line 218 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 182 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()

RegClass gem5::RegId::classValue

inline

Class accessor.

Definition at line 180 of file reg_class.hh.

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

decrNumPinnedWrites()

void gem5::PhysRegId::decrNumPinnedWrites ( )

inline

Definition at line 287 of file reg_class.hh.

References gem5::RegId::numPinnedWrites.

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

decrNumPinnedWritesToComplete()

void gem5::PhysRegId::decrNumPinnedWritesToComplete ( )

inline

Definition at line 304 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 266 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 178 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 263 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 272 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 293 of file reg_class.hh.

References numPinnedWritesToComplete.

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

incrNumPinnedWrites()

void gem5::PhysRegId::incrNumPinnedWrites ( )

inline

Definition at line 288 of file reg_class.hh.

References gem5::RegId::numPinnedWrites.

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

incrNumPinnedWritesToComplete()

void gem5::PhysRegId::incrNumPinnedWritesToComplete ( )

inline

Definition at line 305 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 154 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 150 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 260 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 290 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 250 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 238 of file reg_class.hh.

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

operator==()

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

inline

Definition at line 244 of file reg_class.hh.

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

setNumPinnedWrites()

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

inline

Definition at line 275 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 299 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 201 of file reg_class.hh.

Referenced by flatIndex().

numPinnedWritesToComplete

int gem5::PhysRegId::numPinnedWritesToComplete

private

Definition at line 202 of file reg_class.hh.

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

pinned

bool gem5::PhysRegId::pinned

private

Definition at line 203 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