v8  3.25.30(node0.11.13)
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Data Structures | Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes | Static Protected Attributes
LOperand Class Reference

#include <lithium.h>

Inheritance diagram for LOperand:
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Collaboration diagram for LOperand:
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Data Structures

class  KindField
 

Public Types

enum  Kind {
  INVALID, UNALLOCATED, CONSTANT_OPERAND, STACK_SLOT,
  DOUBLE_STACK_SLOT, REGISTER, DOUBLE_REGISTER
}
 

Public Member Functions

 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 void SetUpCaches ()
 
static void TearDownCaches ()
 

Protected Member Functions

 LOperand (Kind kind, int index)
 

Protected Attributes

unsigned value_
 

Static Protected Attributes

static const int kKindFieldWidth = 3
 

Detailed Description

Definition at line 46 of file lithium.h.

Member Enumeration Documentation

enum Kind
Enumerator
INVALID 
UNALLOCATED 
CONSTANT_OPERAND 
STACK_SLOT 
DOUBLE_STACK_SLOT 
REGISTER 
DOUBLE_REGISTER 

Definition at line 48 of file lithium.h.

Constructor & Destructor Documentation

LOperand ( )
inline

Definition at line 58 of file lithium.h.

LOperand ( Kind  kind,
int  index 
)
inlineprotected

Definition at line 85 of file lithium.h.

References LOperand::ConvertTo().

Member Function Documentation

void ConvertTo ( Kind  kind,
int  index 
)
inline

Definition at line 71 of file lithium.h.

References ASSERT, BitFieldBase< Kind, shift, size, uint32_t >::encode(), LOperand::index(), LOperand::kKindFieldWidth, and LOperand::value_.

Referenced by LOperand::LOperand(), and LiveRange::SetSpillOperand().

bool Equals ( LOperand *  other) const
inline

Definition at line 68 of file lithium.h.

References LOperand::value_.

int index ( ) const
inline

Definition at line 61 of file lithium.h.

References LOperand::kKindFieldWidth, and LOperand::value_.

Referenced by LOperand::ConvertTo(), LCodeGen::EmitLoadDoubleRegister(), LCodeGen::EmitLoadRegister(), LOperand::PrintTo(), LiveRange::SetSpillOperand(), LCodeGen::ToDoubleRegister(), LCodeGen::ToHighMemOperand(), LCodeGen::ToMemOperand(), and LCodeGen::ToRegister().

Kind kind ( ) const
inline

Definition at line 60 of file lithium.h.

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

Referenced by V8_FINAL< kOperandKind, kNumCachedOperands >::cast(), LOperand::PrintTo(), and LiveRange::SetSpillOperand().

void PrintTo ( StringStream *  stream)

Definition at line 55 of file lithium.cc.

References StringStream::Add(), Register::AllocationIndexToString(), DwVfpRegister::AllocationIndexToString(), LUnallocated::ANY, LUnallocated::basic_policy(), LUnallocated::cast(), LOperand::CONSTANT_OPERAND, LOperand::DOUBLE_REGISTER, LOperand::DOUBLE_STACK_SLOT, LUnallocated::extended_policy(), LUnallocated::FIXED_DOUBLE_REGISTER, LUnallocated::FIXED_REGISTER, LUnallocated::fixed_register_index(), LUnallocated::FIXED_SLOT, LUnallocated::fixed_slot_index(), LOperand::index(), LOperand::INVALID, LOperand::kind(), LUnallocated::MUST_HAVE_REGISTER, LUnallocated::NONE, v8::internal::NULL, LOperand::REGISTER, LUnallocated::SAME_AS_FIRST_INPUT, LOperand::STACK_SLOT, LOperand::UNALLOCATED, LUnallocated::virtual_register(), and LUnallocated::WRITABLE_REGISTER.

Referenced by LInstruction::PrintDataTo(), and LInstruction::PrintOutputOperandTo().

void SetUpCaches ( )
static

Definition at line 139 of file lithium.cc.

References LITHIUM_OPERAND_LIST, and LITHIUM_OPERAND_SETUP.

void TearDownCaches ( )
static

Definition at line 146 of file lithium.cc.

References LITHIUM_OPERAND_LIST, and LITHIUM_OPERAND_TEARDOWN.

Referenced by V8::TearDown().

Field Documentation

const int kKindFieldWidth = 3
staticprotected

Definition at line 82 of file lithium.h.

Referenced by LOperand::ConvertTo(), and LOperand::index().

unsigned value_
protected

Definition at line 87 of file lithium.h.

Referenced by LUnallocated::basic_policy(), LOperand::ConvertTo(), LOperand::Equals(), LUnallocated::extended_policy(), LUnallocated::fixed_register_index(), LUnallocated::fixed_slot_index(), LOperand::index(), LUnallocated::IsUsedAtStart(), LOperand::kind(), LUnallocated::LUnallocated(), LUnallocated::set_virtual_register(), and LUnallocated::virtual_register().

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