LUnallocated Class Reference

#include <lithium.h>

Inheritance diagram for LUnallocated:

Collaboration diagram for LUnallocated:

Data Structures
class	BasicPolicyField
class	ExtendedPolicyField
class	FixedRegisterField
class	FixedSlotIndexField
class	LifetimeField
class	VirtualRegisterField

Public Types
enum	BasicPolicy { FIXED_SLOT, EXTENDED_POLICY }
enum	ExtendedPolicy {   NONE, ANY, FIXED_REGISTER, FIXED_DOUBLE_REGISTER,   MUST_HAVE_REGISTER, WRITABLE_REGISTER, SAME_AS_FIRST_INPUT }
enum	Lifetime { USED_AT_START, USED_AT_END }
Public Types inherited from LOperand
enum	Kind {   INVALID, UNALLOCATED, CONSTANT_OPERAND, STACK_SLOT,   DOUBLE_STACK_SLOT, REGISTER, DOUBLE_REGISTER }

Public Member Functions
	LUnallocated (ExtendedPolicy policy)
	LUnallocated (BasicPolicy policy, int index)
	LUnallocated (ExtendedPolicy policy, int index)
	LUnallocated (ExtendedPolicy policy, Lifetime lifetime)
LUnallocated *	CopyUnconstrained (Zone *zone)
	STATIC_ASSERT (kKindFieldWidth==3)
bool	HasAnyPolicy () const
bool	HasFixedPolicy () const
bool	HasRegisterPolicy () const
bool	HasSameAsInputPolicy () const
bool	HasFixedSlotPolicy () const
bool	HasFixedRegisterPolicy () const
bool	HasFixedDoubleRegisterPolicy () const
bool	HasWritableRegisterPolicy () const
BasicPolicy	basic_policy () const
ExtendedPolicy	extended_policy () const
int	fixed_slot_index () const
int	fixed_register_index () const
int	virtual_register () const
void	set_virtual_register (unsigned id)
bool	IsUsedAtStart ()
Public Member Functions inherited from LOperand
	LOperand ()
Kind	kind () const
int	index () const
bool	Equals (LOperand *other) const
void	PrintTo (StringStream *stream)
void	ConvertTo (Kind kind, int index)
Public Member Functions inherited from ZoneObject
	INLINE (void *operator new(size_t size, Zone *zone))
void	operator delete (void *, size_t)
void	operator delete (void *pointer, Zone *zone)

Static Public Member Functions
static LUnallocated *	cast (LOperand *op)
Static Public Member Functions inherited from LOperand
static void	SetUpCaches ()
static void	TearDownCaches ()

Static Public Attributes
static const int	kMaxVirtualRegisters = VirtualRegisterField::kMax + 1
static const int	kFixedSlotIndexWidth = FixedSlotIndexField::kSize
static const int	kMaxFixedSlotIndex = (1 << (kFixedSlotIndexWidth - 1)) - 1
static const int	kMinFixedSlotIndex = -(1 << (kFixedSlotIndexWidth - 1))

Additional Inherited Members
Protected Member Functions inherited from LOperand
	LOperand (Kind kind, int index)
Protected Attributes inherited from LOperand
unsigned	value_
Static Protected Attributes inherited from LOperand
static const int	kKindFieldWidth = 3

Detailed Description

Definition at line 91 of file lithium.h.

Member Enumeration Documentation

enum BasicPolicy

Enumerator
FIXED_SLOT
EXTENDED_POLICY

Definition at line 93 of file lithium.h.

enum ExtendedPolicy

Enumerator
NONE
ANY
FIXED_REGISTER
FIXED_DOUBLE_REGISTER
MUST_HAVE_REGISTER
WRITABLE_REGISTER
SAME_AS_FIRST_INPUT

Definition at line 98 of file lithium.h.

enum Lifetime

Enumerator
USED_AT_START
USED_AT_END

Definition at line 109 of file lithium.h.

Constructor & Destructor Documentation

LUnallocated ( ExtendedPolicy  policy )

inlineexplicit

Definition at line 122 of file lithium.h.

References BitFieldBase< BasicPolicy, shift, size, uint32_t >::encode(), BitFieldBase< ExtendedPolicy, shift, size, uint32_t >::encode(), BitFieldBase< Lifetime, shift, size, uint32_t >::encode(), LUnallocated::EXTENDED_POLICY, LUnallocated::USED_AT_END, and LOperand::value_.

Referenced by LUnallocated::CopyUnconstrained().

LUnallocated ( BasicPolicy  policy, int  index  )

inline

Definition at line 128 of file lithium.h.

References ASSERT, BitFieldBase< BasicPolicy, shift, size, uint32_t >::encode(), LUnallocated::FIXED_SLOT, LUnallocated::fixed_slot_index(), BitFieldBase< int, shift, size, uint32_t >::kShift, and LOperand::value_.

LUnallocated ( ExtendedPolicy  policy, int  index  )

inline

Definition at line 135 of file lithium.h.

References ASSERT, BitFieldBase< BasicPolicy, shift, size, uint32_t >::encode(), BitFieldBase< Lifetime, shift, size, uint32_t >::encode(), BitFieldBase< int, shift, size, uint32_t >::encode(), BitFieldBase< ExtendedPolicy, shift, size, uint32_t >::encode(), LUnallocated::EXTENDED_POLICY, LUnallocated::FIXED_DOUBLE_REGISTER, LUnallocated::FIXED_REGISTER, LUnallocated::USED_AT_END, and LOperand::value_.

LUnallocated ( ExtendedPolicy  policy, Lifetime  lifetime  )

inline

Definition at line 143 of file lithium.h.

References BitFieldBase< BasicPolicy, shift, size, uint32_t >::encode(), BitFieldBase< Lifetime, shift, size, uint32_t >::encode(), BitFieldBase< ExtendedPolicy, shift, size, uint32_t >::encode(), LUnallocated::EXTENDED_POLICY, and LOperand::value_.

Member Function Documentation

BasicPolicy basic_policy ( ) const

inline

Definition at line 234 of file lithium.h.

References BitFieldBase< BasicPolicy, shift, size, uint32_t >::decode(), and LOperand::value_.

Referenced by LUnallocated::extended_policy(), LUnallocated::HasAnyPolicy(), LUnallocated::HasFixedDoubleRegisterPolicy(), LUnallocated::HasFixedPolicy(), LUnallocated::HasFixedRegisterPolicy(), LUnallocated::HasFixedSlotPolicy(), LUnallocated::HasRegisterPolicy(), LUnallocated::HasSameAsInputPolicy(), LUnallocated::HasWritableRegisterPolicy(), LUnallocated::IsUsedAtStart(), and LOperand::PrintTo().

static LUnallocated* cast ( LOperand *  op )

inlinestatic

Definition at line 156 of file lithium.h.

References ASSERT.

Referenced by LOperand::PrintTo(), and UsePosition::UsePosition().

LUnallocated* CopyUnconstrained ( Zone *  zone )

inline

Definition at line 150 of file lithium.h.

References LUnallocated::ANY, LUnallocated::LUnallocated(), LUnallocated::set_virtual_register(), and LUnallocated::virtual_register().

ExtendedPolicy extended_policy ( ) const

inline

Definition at line 239 of file lithium.h.

References ASSERT, LUnallocated::basic_policy(), BitFieldBase< ExtendedPolicy, shift, size, uint32_t >::decode(), LUnallocated::EXTENDED_POLICY, and LOperand::value_.

Referenced by LUnallocated::HasAnyPolicy(), LUnallocated::HasFixedDoubleRegisterPolicy(), LUnallocated::HasFixedPolicy(), LUnallocated::HasFixedRegisterPolicy(), LUnallocated::HasRegisterPolicy(), LUnallocated::HasSameAsInputPolicy(), LUnallocated::HasWritableRegisterPolicy(), and LOperand::PrintTo().

int fixed_register_index ( ) const

inline

Definition at line 251 of file lithium.h.

References ASSERT, BitFieldBase< int, shift, size, uint32_t >::decode(), LUnallocated::HasFixedDoubleRegisterPolicy(), LUnallocated::HasFixedRegisterPolicy(), and LOperand::value_.

Referenced by LOperand::PrintTo().

int fixed_slot_index ( ) const

inline

Definition at line 245 of file lithium.h.

References ASSERT, LUnallocated::HasFixedSlotPolicy(), BitFieldBase< int, shift, size, uint32_t >::kShift, and LOperand::value_.

Referenced by LUnallocated::LUnallocated(), and LOperand::PrintTo().

bool HasAnyPolicy ( ) const

inline

Definition at line 199 of file lithium.h.

References LUnallocated::ANY, LUnallocated::basic_policy(), LUnallocated::EXTENDED_POLICY, and LUnallocated::extended_policy().

Referenced by UsePosition::UsePosition().

bool HasFixedDoubleRegisterPolicy ( ) const

inline

Definition at line 224 of file lithium.h.

References LUnallocated::basic_policy(), LUnallocated::EXTENDED_POLICY, LUnallocated::extended_policy(), and LUnallocated::FIXED_DOUBLE_REGISTER.

Referenced by LUnallocated::fixed_register_index().

bool HasFixedPolicy ( ) const

inline

Definition at line 203 of file lithium.h.

References LUnallocated::basic_policy(), LUnallocated::extended_policy(), LUnallocated::FIXED_DOUBLE_REGISTER, LUnallocated::FIXED_REGISTER, and LUnallocated::FIXED_SLOT.

bool HasFixedRegisterPolicy ( ) const

inline

Definition at line 220 of file lithium.h.

References LUnallocated::basic_policy(), LUnallocated::EXTENDED_POLICY, LUnallocated::extended_policy(), and LUnallocated::FIXED_REGISTER.

Referenced by LUnallocated::fixed_register_index().

bool HasFixedSlotPolicy ( ) const

inline

Definition at line 217 of file lithium.h.

References LUnallocated::basic_policy(), and LUnallocated::FIXED_SLOT.

Referenced by LUnallocated::fixed_slot_index().

bool HasRegisterPolicy ( ) const

inline

Definition at line 208 of file lithium.h.

References LUnallocated::basic_policy(), LUnallocated::EXTENDED_POLICY, LUnallocated::extended_policy(), LUnallocated::MUST_HAVE_REGISTER, and LUnallocated::WRITABLE_REGISTER.

Referenced by UsePosition::UsePosition().

bool HasSameAsInputPolicy ( ) const

inline

Definition at line 213 of file lithium.h.

References LUnallocated::basic_policy(), LUnallocated::EXTENDED_POLICY, LUnallocated::extended_policy(), and LUnallocated::SAME_AS_FIRST_INPUT.

bool HasWritableRegisterPolicy ( ) const

inline

Definition at line 228 of file lithium.h.

References LUnallocated::basic_policy(), LUnallocated::EXTENDED_POLICY, LUnallocated::extended_policy(), and LUnallocated::WRITABLE_REGISTER.

bool IsUsedAtStart ( )

inline

Definition at line 265 of file lithium.h.

References ASSERT, LUnallocated::basic_policy(), BitFieldBase< Lifetime, shift, size, uint32_t >::decode(), LUnallocated::EXTENDED_POLICY, LUnallocated::USED_AT_START, and LOperand::value_.

void set_virtual_register ( unsigned  id )

inline

Definition at line 260 of file lithium.h.

References BitFieldBase< unsigned, shift, size, uint32_t >::update(), and LOperand::value_.

Referenced by LUnallocated::CopyUnconstrained(), and LiveRange::CreateAssignedOperand().

STATIC_ASSERT

(

kKindFieldWidth

= =3

)

int virtual_register ( ) const

inline

Definition at line 257 of file lithium.h.

References BitFieldBase< unsigned, shift, size, uint32_t >::decode(), and LOperand::value_.

Referenced by LUnallocated::CopyUnconstrained(), and LOperand::PrintTo().

Field Documentation

const int kFixedSlotIndexWidth = FixedSlotIndexField::kSize

static

Definition at line 194 of file lithium.h.

const int kMaxFixedSlotIndex = (1 << (kFixedSlotIndexWidth - 1)) - 1

static

Definition at line 195 of file lithium.h.

Referenced by OptimizedCompileJob::CreateGraph().

const int kMaxVirtualRegisters = VirtualRegisterField::kMax + 1

static

Definition at line 193 of file lithium.h.

Referenced by BASE_EMBEDDED< Visitor >::GetVirtualRegister(), and LChunk::NewChunk().

const int kMinFixedSlotIndex = -(1 << (kFixedSlotIndexWidth - 1))

static

Definition at line 196 of file lithium.h.

Referenced by OptimizedCompileJob::CreateGraph().

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

• src/lithium.h