#include <liftoff-assembler.h>

Collaboration diagram for v8::internal::wasm::LiftoffAssembler::CacheState:

Public Types
enum class	SpillLocation { kTopOfStack , kStackSlots }

Public Member Functions
	CacheState (Zone *zone)

	CacheState (CacheState &&) V8_NOEXCEPT=default

CacheState &	operator= (CacheState &&) V8_NOEXCEPT=default

	CacheState (const CacheState &)=delete

void	GetTaggedSlotsForOOLCode (ZoneVector< int > slots, LiftoffRegList spills, SpillLocation spill_location)

void	DefineSafepoint (SafepointTableBuilder::Safepoint &safepoint)

void	DefineSafepointWithCalleeSavedRegisters (SafepointTableBuilder::Safepoint &safepoint)

bool	has_unused_register (RegClass rc, LiftoffRegList pinned={}) const

bool	has_unused_register (LiftoffRegList candidates) const

LiftoffRegister	unused_register (RegClass rc, LiftoffRegList pinned={}) const

LiftoffRegister	unused_register (LiftoffRegList candidates, LiftoffRegList pinned={}) const

bool	has_volatile_register (LiftoffRegList candidates)

LiftoffRegister	take_volatile_register (LiftoffRegList candidates)

void	SetCacheRegister (Register *cache, Register reg)

void	SetInstanceCacheRegister (Register reg)

void	SetMemStartCacheRegister (Register reg, int memory_index)

Register	TrySetCachedInstanceRegister (LiftoffRegList pinned)

V8_INLINE void	ClearCacheRegister (Register *cache)

void	ClearCachedInstanceRegister ()

void	ClearCachedMemStartRegister ()

void	ClearAllCacheRegisters ()

void	inc_used (LiftoffRegister reg)

void	dec_used (LiftoffRegister reg)

bool	is_used (LiftoffRegister reg) const

uint32_t	get_use_count (LiftoffRegister reg) const

void	clear_used (LiftoffRegister reg)

bool	is_free (LiftoffRegister reg) const

void	reset_used_registers ()

LiftoffRegister	GetNextSpillReg (LiftoffRegList candidates)

void	Steal (CacheState &source)

void	Split (const CacheState &source)

uint32_t	stack_height () const

Public Attributes
SmallZoneVector< VarState, 16 >	stack_state

LiftoffRegList	used_registers

uint32_t	register_use_count [kAfterMaxLiftoffRegCode] = {0}

LiftoffRegList	last_spilled_regs

Register	cached_instance_data = no_reg

int	cached_mem_index = kNoCachedMemIndex

Register	cached_mem_start = no_reg

Static Public Attributes
static constexpr int	kNoCachedMemIndex = -1

Private Member Functions
CacheState &	operator= (const CacheState &) V8_NOEXCEPT=default

Detailed Description

Definition at line 112 of file liftoff-assembler.h.

Member Enumeration Documentation

◆ SpillLocation

enum class v8::internal::wasm::LiftoffAssembler::CacheState::SpillLocation

strong

Enumerator
kTopOfStack
kStackSlots

Definition at line 121 of file liftoff-assembler.h.

Constructor & Destructor Documentation

◆ CacheState() [1/3]

v8::internal::wasm::LiftoffAssembler::CacheState::CacheState ( Zone * zone )

inlineexplicit

Definition at line 113 of file liftoff-assembler.h.

◆ CacheState() [2/3]

v8::internal::wasm::LiftoffAssembler::CacheState::CacheState ( CacheState && )

default

◆ CacheState() [3/3]

v8::internal::wasm::LiftoffAssembler::CacheState::CacheState ( const CacheState & )

delete

Member Function Documentation

◆ clear_used()

void v8::internal::wasm::LiftoffAssembler::CacheState::clear_used ( LiftoffRegister reg )

inline

Definition at line 340 of file liftoff-assembler.h.

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◆ ClearAllCacheRegisters()

void v8::internal::wasm::LiftoffAssembler::CacheState::ClearAllCacheRegisters ( )

inline

Definition at line 288 of file liftoff-assembler.h.

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◆ ClearCachedInstanceRegister()

void v8::internal::wasm::LiftoffAssembler::CacheState::ClearCachedInstanceRegister ( )

inline

Definition at line 276 of file liftoff-assembler.h.

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◆ ClearCachedMemStartRegister()

void v8::internal::wasm::LiftoffAssembler::CacheState::ClearCachedMemStartRegister ( )

inline

Definition at line 280 of file liftoff-assembler.h.

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◆ ClearCacheRegister()

V8_INLINE void v8::internal::wasm::LiftoffAssembler::CacheState::ClearCacheRegister ( Register * cache )

inline

Definition at line 265 of file liftoff-assembler.h.

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◆ dec_used()

void v8::internal::wasm::LiftoffAssembler::CacheState::dec_used ( LiftoffRegister reg )

inline

Definition at line 306 of file liftoff-assembler.h.

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◆ DefineSafepoint()

void v8::internal::wasm::LiftoffAssembler::CacheState::DefineSafepoint ( SafepointTableBuilder::Safepoint & safepoint )

Definition at line 307 of file liftoff-assembler.cc.

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◆ DefineSafepointWithCalleeSavedRegisters()

void v8::internal::wasm::LiftoffAssembler::CacheState::DefineSafepointWithCalleeSavedRegisters ( SafepointTableBuilder::Safepoint & safepoint )

Definition at line 322 of file liftoff-assembler.cc.

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◆ get_use_count()

uint32_t v8::internal::wasm::LiftoffAssembler::CacheState::get_use_count ( LiftoffRegister reg ) const

inline

Definition at line 330 of file liftoff-assembler.h.

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◆ GetNextSpillReg()

LiftoffRegister v8::internal::wasm::LiftoffAssembler::CacheState::GetNextSpillReg ( LiftoffRegList candidates )

inline

Definition at line 359 of file liftoff-assembler.h.

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◆ GetTaggedSlotsForOOLCode()

void v8::internal::wasm::LiftoffAssembler::CacheState::GetTaggedSlotsForOOLCode	(	ZoneVector< int > *	slots,
		LiftoffRegList *	spills,
		SpillLocation	spill_location )

Definition at line 288 of file liftoff-assembler.cc.

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◆ has_unused_register() [1/2]

bool v8::internal::wasm::LiftoffAssembler::CacheState::has_unused_register ( LiftoffRegList candidates ) const

inline

Definition at line 169 of file liftoff-assembler.h.

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◆ has_unused_register() [2/2]

bool v8::internal::wasm::LiftoffAssembler::CacheState::has_unused_register	(	RegClass	rc,
		LiftoffRegList	pinned = {} ) const

inline

Definition at line 155 of file liftoff-assembler.h.

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◆ has_volatile_register()

bool v8::internal::wasm::LiftoffAssembler::CacheState::has_volatile_register ( LiftoffRegList candidates )

inline

Definition at line 202 of file liftoff-assembler.h.

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◆ inc_used()

void v8::internal::wasm::LiftoffAssembler::CacheState::inc_used ( LiftoffRegister reg )

inline

Definition at line 293 of file liftoff-assembler.h.

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◆ is_free()

bool v8::internal::wasm::LiftoffAssembler::CacheState::is_free ( LiftoffRegister reg ) const

inline

Definition at line 351 of file liftoff-assembler.h.

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◆ is_used()

bool v8::internal::wasm::LiftoffAssembler::CacheState::is_used ( LiftoffRegister reg ) const

inline

Definition at line 323 of file liftoff-assembler.h.

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◆ operator=() [1/2]

CacheState & v8::internal::wasm::LiftoffAssembler::CacheState::operator= ( CacheState && )

default

◆ operator=() [2/2]

CacheState & v8::internal::wasm::LiftoffAssembler::CacheState::operator= ( const CacheState & )

privatedefault

◆ reset_used_registers()

void v8::internal::wasm::LiftoffAssembler::CacheState::reset_used_registers ( )

inline

Definition at line 353 of file liftoff-assembler.h.

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◆ SetCacheRegister()

void v8::internal::wasm::LiftoffAssembler::CacheState::SetCacheRegister	(	Register *	cache,
		Register	reg )

inline

Definition at line 230 of file liftoff-assembler.h.

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◆ SetInstanceCacheRegister()

void v8::internal::wasm::LiftoffAssembler::CacheState::SetInstanceCacheRegister ( Register reg )

inline

Definition at line 240 of file liftoff-assembler.h.

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◆ SetMemStartCacheRegister()

void v8::internal::wasm::LiftoffAssembler::CacheState::SetMemStartCacheRegister	(	Register	reg,
		int	memory_index )

inline

Definition at line 244 of file liftoff-assembler.h.

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◆ Split()

void v8::internal::wasm::LiftoffAssembler::CacheState::Split ( const CacheState & source )

Definition at line 269 of file liftoff-assembler.cc.

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◆ stack_height()

uint32_t v8::internal::wasm::LiftoffAssembler::CacheState::stack_height ( ) const

inline

Definition at line 377 of file liftoff-assembler.h.

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◆ Steal()

void v8::internal::wasm::LiftoffAssembler::CacheState::Steal ( CacheState & source )

Definition at line 264 of file liftoff-assembler.cc.

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◆ take_volatile_register()

LiftoffRegister v8::internal::wasm::LiftoffAssembler::CacheState::take_volatile_register ( LiftoffRegList candidates )

inline

Definition at line 208 of file liftoff-assembler.h.

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◆ TrySetCachedInstanceRegister()

Register v8::internal::wasm::LiftoffAssembler::CacheState::TrySetCachedInstanceRegister ( LiftoffRegList pinned )

inline

Definition at line 250 of file liftoff-assembler.h.

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◆ unused_register() [1/2]

LiftoffRegister v8::internal::wasm::LiftoffAssembler::CacheState::unused_register	(	LiftoffRegList	candidates,
		LiftoffRegList	pinned = {} ) const

inline

Definition at line 192 of file liftoff-assembler.h.

◆ unused_register() [2/2]

LiftoffRegister v8::internal::wasm::LiftoffAssembler::CacheState::unused_register	(	RegClass	rc,
		LiftoffRegList	pinned = {} ) const

inline

Definition at line 174 of file liftoff-assembler.h.

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Member Data Documentation

◆ cached_instance_data

Register v8::internal::wasm::LiftoffAssembler::CacheState::cached_instance_data = no_reg

Definition at line 145 of file liftoff-assembler.h.

◆ cached_mem_index

int v8::internal::wasm::LiftoffAssembler::CacheState::cached_mem_index = kNoCachedMemIndex

Definition at line 149 of file liftoff-assembler.h.

◆ cached_mem_start

Register v8::internal::wasm::LiftoffAssembler::CacheState::cached_mem_start = no_reg

Definition at line 150 of file liftoff-assembler.h.

◆ kNoCachedMemIndex

int v8::internal::wasm::LiftoffAssembler::CacheState::kNoCachedMemIndex = -1

staticconstexpr

Definition at line 146 of file liftoff-assembler.h.

◆ last_spilled_regs

LiftoffRegList v8::internal::wasm::LiftoffAssembler::CacheState::last_spilled_regs

Definition at line 144 of file liftoff-assembler.h.

◆ register_use_count

uint32_t v8::internal::wasm::LiftoffAssembler::CacheState::register_use_count[kAfterMaxLiftoffRegCode] = {0}

Definition at line 143 of file liftoff-assembler.h.

◆ stack_state

SmallZoneVector<VarState, 16> v8::internal::wasm::LiftoffAssembler::CacheState::stack_state

Definition at line 141 of file liftoff-assembler.h.

◆ used_registers

LiftoffRegList v8::internal::wasm::LiftoffAssembler::CacheState::used_registers

Definition at line 142 of file liftoff-assembler.h.

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

src/wasm/baseline/liftoff-assembler.h
src/wasm/baseline/liftoff-assembler.cc

Public Types

Public Member Functions

Public Attributes

Static Public Attributes

Private Member Functions

Detailed Description

Member Enumeration Documentation

◆ SpillLocation

Constructor & Destructor Documentation

◆ CacheState() [1/3]

◆ CacheState() [2/3]

◆ CacheState() [3/3]

Member Function Documentation

◆ clear_used()

◆ ClearAllCacheRegisters()

◆ ClearCachedInstanceRegister()

◆ ClearCachedMemStartRegister()

◆ ClearCacheRegister()

◆ dec_used()

◆ DefineSafepoint()

◆ DefineSafepointWithCalleeSavedRegisters()

◆ get_use_count()

◆ GetNextSpillReg()

◆ GetTaggedSlotsForOOLCode()

◆ has_unused_register() [1/2]

◆ has_unused_register() [2/2]

◆ has_volatile_register()

◆ inc_used()

◆ is_free()

◆ is_used()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ reset_used_registers()

◆ SetCacheRegister()

◆ SetInstanceCacheRegister()

◆ SetMemStartCacheRegister()

◆ Split()

◆ stack_height()

◆ Steal()

◆ take_volatile_register()

◆ TrySetCachedInstanceRegister()

◆ unused_register() [1/2]

◆ unused_register() [2/2]

Member Data Documentation

◆ cached_instance_data

◆ cached_mem_index

◆ cached_mem_start

◆ kNoCachedMemIndex

◆ last_spilled_regs

◆ register_use_count

◆ stack_state

◆ used_registers