gem5::PhysRegId Class Reference

Physical register ID. More...

#include <reg_class.hh>

Inheritance diagram for gem5::PhysRegId:

Public Member Functions
	PhysRegId ()
	PhysRegId (const RegClass &reg_class, RegIndex _regIdx, RegIndex _flatIdx)
	Scalar PhysRegId constructor. 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
constexpr RegIndex	index () const
	Visible RegId methods. More...
constexpr const RegClass &	regClass () const
	Class accessor. More...
constexpr RegClassType	classValue () const
constexpr const char *	className () const
	Return a const char* with the register class name. More...
constexpr bool	is (RegClassType reg_class) const

Private Attributes
RegIndex	flatIdx
int	numPinnedWritesToComplete
bool	pinned
Private Attributes inherited from gem5::RegId
const RegClass *	_regClass = nullptr
RegIndex	regIdx
int	numPinnedWrites

Additional Inherited Members
Private Member Functions inherited from gem5::RegId
constexpr	RegId ()
constexpr	RegId (const RegClass &reg_class, RegIndex reg_idx)
constexpr	operator RegIndex () const
constexpr bool	operator== (const RegId &that) const
constexpr bool	operator!= (const RegId &that) const
constexpr bool	operator< (const RegId &that) const
	Order operator. More...
constexpr bool	isRenameable () const
	Return true if this register can be renamed. More...
constexpr bool	is (RegClassType reg_class) const
constexpr RegIndex	index () const
	Index accessors. More...
constexpr const RegClass &	regClass () const
	Class accessor. More...
constexpr RegClassType	classValue () const
constexpr const char *	className () const
	Return a const char* with the register class name. More...
constexpr bool	isFlat () const
RegId	flatten (const BaseISA &isa) const
int	getNumPinnedWrites () const
void	setNumPinnedWrites (int num_writes)

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 393 of file reg_class.hh.

Constructor & Destructor Documentation

PhysRegId() [1/2]

gem5::PhysRegId::PhysRegId ( )

inlineexplicit

Definition at line 401 of file reg_class.hh.

PhysRegId() [2/2]

gem5::PhysRegId::PhysRegId ( const RegClass &  reg_class, RegIndex  _regIdx, RegIndex  _flatIdx  )

inlineexplicit

Scalar PhysRegId constructor.

Definition at line 406 of file reg_class.hh.

Member Function Documentation

className()

constexpr const char * gem5::RegId::className

inlineconstexpr

Return a const char* with the register class name.

Definition at line 275 of file reg_class.hh.

Referenced by 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()

constexpr RegClassType gem5::RegId::classValue

inlineconstexpr

Definition at line 274 of file reg_class.hh.

Referenced by gem5::o3::UnifiedFreeList::addReg(), gem5::o3::PhysRegFile::getReg(), gem5::o3::CPU::getReg(), gem5::o3::PhysRegFile::getWritableReg(), gem5::o3::CPU::getWritableReg(), gem5::o3::PhysRegFile::setReg(), and gem5::o3::CPU::setReg().

decrNumPinnedWrites()

void gem5::PhysRegId::decrNumPinnedWrites ( )

inline

Definition at line 468 of file reg_class.hh.

References gem5::RegId::numPinnedWrites.

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

decrNumPinnedWritesToComplete()

void gem5::PhysRegId::decrNumPinnedWritesToComplete ( )

inline

Definition at line 485 of file reg_class.hh.

References numPinnedWritesToComplete.

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

flatIndex()

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

inline

Flat index accessor.

Definition at line 451 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 453 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 474 of file reg_class.hh.

References numPinnedWritesToComplete.

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

incrNumPinnedWrites()

void gem5::PhysRegId::incrNumPinnedWrites ( )

inline

Definition at line 469 of file reg_class.hh.

References gem5::RegId::numPinnedWrites.

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

incrNumPinnedWritesToComplete()

void gem5::PhysRegId::incrNumPinnedWritesToComplete ( )

inline

Definition at line 486 of file reg_class.hh.

References numPinnedWritesToComplete.

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

index()

constexpr RegIndex gem5::RegId::index

inlineconstexpr

Visible RegId methods.

Definition at line 150 of file reg_class.hh.

Referenced by gem5::o3::InstructionQueue::addToDependents(), gem5::o3::InstructionQueue::addToProducers(), gem5::o3::PhysRegFile::getReg(), gem5::o3::PhysRegFile::getWritableReg(), gem5::o3::Rename::renameSrcRegs(), gem5::o3::Scoreboard::setReg(), gem5::o3::PhysRegFile::setReg(), and gem5::o3::InstructionQueue::wakeDependents().

is()

constexpr bool gem5::RegId::is

inlineconstexpr

Returns

true if it is of the specified class.

Definition at line 269 of file reg_class.hh.

Referenced by gem5::o3::SimpleRenameMap::rename(), and gem5::o3::UnifiedRenameMap::setEntry().

isFixedMapping()

bool gem5::PhysRegId::isFixedMapping ( ) const

inline

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

Definition at line 448 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 471 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 438 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 426 of file reg_class.hh.

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

operator==()

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

inline

Definition at line 432 of file reg_class.hh.

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

regClass()

constexpr const RegClass& gem5::RegId::regClass

inlineconstexpr

Class accessor.

Definition at line 153 of file reg_class.hh.

setNumPinnedWrites()

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

inline

Definition at line 456 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 480 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 396 of file reg_class.hh.

Referenced by flatIndex().

numPinnedWritesToComplete

int gem5::PhysRegId::numPinnedWritesToComplete

private

Definition at line 397 of file reg_class.hh.

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

pinned

bool gem5::PhysRegId::pinned

private

Definition at line 398 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