v8::internal::compiler::InstructionOperand Class Reference

#include <instruction.h>

Inheritance diagram for v8::internal::compiler::InstructionOperand:

Collaboration diagram for v8::internal::compiler::InstructionOperand:

Public Types
enum	Kind {   INVALID , UNALLOCATED , CONSTANT , IMMEDIATE ,   STACK_SLOT , DOUBLE_STACK_SLOT , REGISTER , DOUBLE_REGISTER }

Public Member Functions
	InstructionOperand ()
	InstructionOperand (Kind kind, int index)
Kind	kind () const
int	index () const
bool	Equals (InstructionOperand *other) const
void	ConvertTo (Kind kind, int index)
Public Member Functions inherited from v8::internal::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 Types
typedef BitField< Kind, 0, 3 >	KindField

Protected Attributes
unsigned	value_

Detailed Description

Definition at line 47 of file instruction.h.

Member Typedef Documentation

KindField

typedef BitField<Kind, 0, 3> v8::internal::compiler::InstructionOperand::KindField

protected

Definition at line 87 of file instruction.h.

Member Enumeration Documentation

Kind

enum v8::internal::compiler::InstructionOperand::Kind

Enumerator
INVALID
UNALLOCATED
CONSTANT
IMMEDIATE
STACK_SLOT
DOUBLE_STACK_SLOT
REGISTER
DOUBLE_REGISTER

Definition at line 49 of file instruction.h.

            {
    INVALID,
    UNALLOCATED,
    CONSTANT,
    IMMEDIATE,
    STACK_SLOT,
    DOUBLE_STACK_SLOT,
    REGISTER,
    DOUBLE_REGISTER
  };

Constructor & Destructor Documentation

InstructionOperand() [1/2]

v8::internal::compiler::InstructionOperand::InstructionOperand ( )

inline

Definition at line 60 of file instruction.h.

: value_(KindField::encode(INVALID)) {}

InstructionOperand() [2/2]

v8::internal::compiler::InstructionOperand::InstructionOperand ( Kind  kind, int  index  )

inline

Definition at line 61 of file instruction.h.

{ ConvertTo(kind, index); }

References ConvertTo(), index(), and kind().

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Member Function Documentation

ConvertTo()

void v8::internal::compiler::InstructionOperand::ConvertTo ( Kind  kind, int  index  )

inline

Definition at line 75 of file instruction.h.

                                       {
    if (kind == REGISTER || kind == DOUBLE_REGISTER) DCHECK(index >= 0);
    value_ = KindField::encode(kind);
    value_ |= index << KindField::kSize;
    DCHECK(this->index() == index);
  }

References DCHECK, DOUBLE_REGISTER, v8::internal::BitFieldBase< T, shift, size, uint32_t >::encode(), index(), kind(), v8::internal::BitFieldBase< T, shift, size, uint32_t >::kSize, REGISTER, and value_.

Referenced by v8::internal::compiler::LiveRange::ConvertOperands(), InstructionOperand(), and v8::internal::compiler::LiveRange::SetSpillOperand().

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Equals()

bool v8::internal::compiler::InstructionOperand::Equals ( InstructionOperand *  other ) const

inline

Definition at line 71 of file instruction.h.

                                               {
    return value_ == other->value_;
  }

References value_.

index()

int v8::internal::compiler::InstructionOperand::index ( ) const

inline

Definition at line 64 of file instruction.h.

{ return static_cast<int>(value_) >> KindField::kSize; }

References v8::internal::BitFieldBase< T, shift, size, uint32_t >::kSize, and value_.

Referenced by v8::internal::compiler::LiveRange::ConvertOperands(), ConvertTo(), InstructionOperand(), v8::internal::compiler::operator<<(), v8::internal::compiler::LiveRange::SetSpillOperand(), v8::internal::compiler::InstructionSelectorTest::FINAL::ToConstant(), v8::internal::compiler::InstructionOperandConverter::ToConstant(), v8::internal::compiler::InstructionOperandConverter::ToDoubleRegister(), v8::internal::compiler::FINAL< kOperandKind, kNumCachedOperands >::ToMemOperand(), v8::internal::compiler::IA32OperandConverter::ToOperand(), v8::internal::compiler::InstructionOperandConverter::ToRegister(), v8::internal::compiler::X64OperandConverter::ToRegisterOrOperand(), v8::internal::compiler::InstructionSelectorTest::FINAL::ToVreg(), and v8::internal::compiler::UnallocatedOperand::UnallocatedOperand().

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kind()

Kind v8::internal::compiler::InstructionOperand::kind ( ) const

inline

Definition at line 63 of file instruction.h.

{ return KindField::decode(value_); }

References v8::internal::BitFieldBase< T, shift, size, uint32_t >::decode(), and value_.

Referenced by v8::internal::compiler::FINAL< kOperandKind, kNumCachedOperands >::cast(), v8::internal::compiler::LiveRange::ConvertOperands(), ConvertTo(), InstructionOperand(), v8::internal::compiler::operator<<(), v8::internal::compiler::LiveRange::SetSpillOperand(), v8::internal::compiler::InstructionSelectorTest::FINAL::ToConstant(), and v8::internal::compiler::InstructionSelectorTest::FINAL::ToVreg().

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SetUpCaches()

void v8::internal::compiler::InstructionOperand::SetUpCaches ( )

static

Definition at line 82 of file instruction.cc.

                                     {
#define INSTRUCTION_OPERAND_SETUP(name, type, number) \
  name##Operand::SetUpCache();
  INSTRUCTION_OPERAND_LIST(INSTRUCTION_OPERAND_SETUP)
#undef INSTRUCTION_OPERAND_SETUP
}

References INSTRUCTION_OPERAND_LIST, and INSTRUCTION_OPERAND_SETUP.

Referenced by v8::internal::compiler::Pipeline::SetUp().

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TearDownCaches()

void v8::internal::compiler::InstructionOperand::TearDownCaches ( )

static

Definition at line 90 of file instruction.cc.

                                        {
#define INSTRUCTION_OPERAND_TEARDOWN(name, type, number) \
  name##Operand::TearDownCache();
  INSTRUCTION_OPERAND_LIST(INSTRUCTION_OPERAND_TEARDOWN)
#undef INSTRUCTION_OPERAND_TEARDOWN
}

References INSTRUCTION_OPERAND_LIST, and INSTRUCTION_OPERAND_TEARDOWN.

Referenced by v8::internal::compiler::Pipeline::TearDown().

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Member Data Documentation

value_

unsigned v8::internal::compiler::InstructionOperand::value_

protected

Definition at line 89 of file instruction.h.

Referenced by v8::internal::compiler::UnallocatedOperand::basic_policy(), ConvertTo(), Equals(), v8::internal::compiler::UnallocatedOperand::extended_policy(), v8::internal::compiler::UnallocatedOperand::fixed_register_index(), v8::internal::compiler::UnallocatedOperand::fixed_slot_index(), index(), v8::internal::compiler::UnallocatedOperand::IsUsedAtStart(), kind(), v8::internal::compiler::UnallocatedOperand::set_virtual_register(), v8::internal::compiler::UnallocatedOperand::UnallocatedOperand(), and v8::internal::compiler::UnallocatedOperand::virtual_register().

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

• /mnt/V8SourceCode/src/compiler/instruction.h
• /mnt/V8SourceCode/src/compiler/instruction.cc