v8::internal::compiler::Instruction Class Reference

#include <instruction.h>

Inheritance diagram for v8::internal::compiler::Instruction:

Collaboration diagram for v8::internal::compiler::Instruction:

Public Member Functions
size_t	OutputCount () const
InstructionOperand *	OutputAt (size_t i) const
bool	HasOutput () const
InstructionOperand *	Output () const
size_t	InputCount () const
InstructionOperand *	InputAt (size_t i) const
size_t	TempCount () const
InstructionOperand *	TempAt (size_t i) const
InstructionCode	opcode () const
ArchOpcode	arch_opcode () const
AddressingMode	addressing_mode () const
FlagsMode	flags_mode () const
FlagsCondition	flags_condition () const
Instruction *	MarkAsControl ()
Instruction *	MarkAsCall ()
bool	IsControl () const
bool	IsCall () const
bool	NeedsPointerMap () const
bool	HasPointerMap () const
bool	IsGapMoves () const
bool	IsBlockStart () const
bool	IsSourcePosition () const
bool	ClobbersRegisters () const
bool	ClobbersTemps () const
bool	ClobbersDoubleRegisters () const
PointerMap *	pointer_map () const
void	set_pointer_map (PointerMap *map)
void *	operator new (size_t, void *location)
void	operator delete (void *pointer, void *location)
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 Instruction *	New (Zone *zone, InstructionCode opcode)
static Instruction *	New (Zone *zone, InstructionCode opcode, size_t output_count, InstructionOperand **outputs, size_t input_count, InstructionOperand **inputs, size_t temp_count, InstructionOperand **temps)

Protected Types
typedef BitField< size_t, 0, 8 >	OutputCountField
typedef BitField< size_t, 8, 16 >	InputCountField
typedef BitField< size_t, 24, 6 >	TempCountField
typedef BitField< bool, 30, 1 >	IsCallField
typedef BitField< bool, 31, 1 >	IsControlField

Protected Member Functions
	Instruction (InstructionCode opcode)
	Instruction (InstructionCode opcode, size_t output_count, InstructionOperand **outputs, size_t input_count, InstructionOperand **inputs, size_t temp_count, InstructionOperand **temps)

Protected Attributes
InstructionCode	opcode_
uint32_t	bit_field_
PointerMap *	pointer_map_
InstructionOperand *	operands_ [1]

Detailed Description

Definition at line 404 of file instruction.h.

Member Typedef Documentation

InputCountField

typedef BitField<size_t, 8, 16> v8::internal::compiler::Instruction::InputCountField

protected

Definition at line 530 of file instruction.h.

IsCallField

typedef BitField<bool, 30, 1> v8::internal::compiler::Instruction::IsCallField

protected

Definition at line 532 of file instruction.h.

IsControlField

typedef BitField<bool, 31, 1> v8::internal::compiler::Instruction::IsControlField

protected

Definition at line 533 of file instruction.h.

OutputCountField

typedef BitField<size_t, 0, 8> v8::internal::compiler::Instruction::OutputCountField

protected

Definition at line 529 of file instruction.h.

TempCountField

typedef BitField<size_t, 24, 6> v8::internal::compiler::Instruction::TempCountField

protected

Definition at line 531 of file instruction.h.

Constructor & Destructor Documentation

Instruction() [1/2]

v8::internal::compiler::Instruction::Instruction ( InstructionCode  opcode )

inlineexplicitprotected

Definition at line 500 of file instruction.h.

      : opcode_(opcode),
        bit_field_(OutputCountField::encode(0) | InputCountField::encode(0) |
                   TempCountField::encode(0) | IsCallField::encode(false) |
                   IsControlField::encode(false)),
        pointer_map_(NULL) {}

Referenced by New().

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Instruction() [2/2]

v8::internal::compiler::Instruction::Instruction ( InstructionCode  opcode, size_t  output_count, InstructionOperand **  outputs, size_t  input_count, InstructionOperand **  inputs, size_t  temp_count, InstructionOperand **  temps  )

inlineprotected

Definition at line 507 of file instruction.h.

      : opcode_(opcode),
        bit_field_(OutputCountField::encode(output_count) |
                   InputCountField::encode(input_count) |
                   TempCountField::encode(temp_count) |
                   IsCallField::encode(false) | IsControlField::encode(false)),
        pointer_map_(NULL) {
    for (size_t i = 0; i < output_count; ++i) {
      operands_[i] = outputs[i];
    }
    for (size_t i = 0; i < input_count; ++i) {
      operands_[output_count + i] = inputs[i];
    }
    for (size_t i = 0; i < temp_count; ++i) {
      operands_[output_count + input_count + i] = temps[i];
    }
  }

References operands_.

Member Function Documentation

addressing_mode()

AddressingMode v8::internal::compiler::Instruction::addressing_mode ( ) const

inline

Definition at line 429 of file instruction.h.

                                         {
    return AddressingModeField::decode(opcode());
  }

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

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arch_opcode()

ArchOpcode v8::internal::compiler::Instruction::arch_opcode ( ) const

inline

Definition at line 428 of file instruction.h.

{ return ArchOpcodeField::decode(opcode()); }

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

Referenced by v8::internal::compiler::TARGET_TEST_F().

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ClobbersDoubleRegisters()

bool v8::internal::compiler::Instruction::ClobbersDoubleRegisters ( ) const

inline

Definition at line 484 of file instruction.h.

{ return IsCall(); }

References IsCall().

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ClobbersRegisters()

bool v8::internal::compiler::Instruction::ClobbersRegisters ( ) const

inline

Definition at line 482 of file instruction.h.

{ return IsCall(); }

References IsCall().

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ClobbersTemps()

bool v8::internal::compiler::Instruction::ClobbersTemps ( ) const

inline

Definition at line 483 of file instruction.h.

{ return IsCall(); }

References IsCall().

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flags_condition()

FlagsCondition v8::internal::compiler::Instruction::flags_condition ( ) const

inline

Definition at line 433 of file instruction.h.

                                         {
    return FlagsConditionField::decode(opcode());
  }

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

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flags_mode()

FlagsMode v8::internal::compiler::Instruction::flags_mode ( ) const

inline

Definition at line 432 of file instruction.h.

{ return FlagsModeField::decode(opcode()); }

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

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HasOutput()

bool v8::internal::compiler::Instruction::HasOutput ( ) const

inline

Definition at line 412 of file instruction.h.

{ return OutputCount() == 1; }

References OutputCount().

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HasPointerMap()

bool v8::internal::compiler::Instruction::HasPointerMap ( ) const

inline

Definition at line 472 of file instruction.h.

{ return pointer_map_ != NULL; }

References NULL, and pointer_map_.

InputAt()

InstructionOperand* v8::internal::compiler::Instruction::InputAt ( size_t  i ) const

inline

Definition at line 416 of file instruction.h.

                                              {
    DCHECK(i < InputCount());
    return operands_[OutputCount() + i];
  }

References DCHECK, InputCount(), operands_, and OutputCount().

Referenced by v8::internal::compiler::HasImmediateInput(), v8::internal::compiler::InstructionOperandConverter::InputDouble(), v8::internal::compiler::InstructionOperandConverter::InputDoubleRegister(), v8::internal::compiler::InstructionOperandConverter::InputHeapObject(), v8::internal::compiler::IA32OperandConverter::InputImmediate(), v8::internal::compiler::X64OperandConverter::InputImmediate(), v8::internal::compiler::X64OperandConverter::InputImmediate64(), v8::internal::compiler::InstructionOperandConverter::InputInt32(), v8::internal::compiler::IA32OperandConverter::InputOperand(), v8::internal::compiler::InstructionOperandConverter::InputRegister(), v8::internal::compiler::X64OperandConverter::InputRegisterOrOperand(), and v8::internal::compiler::TARGET_TEST_F().

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InputCount()

size_t v8::internal::compiler::Instruction::InputCount ( ) const

inline

Definition at line 415 of file instruction.h.

{ return InputCountField::decode(bit_field_); }

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

Referenced by InputAt(), v8::internal::compiler::TARGET_TEST_F(), and TempAt().

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IsBlockStart()

bool v8::internal::compiler::Instruction::IsBlockStart ( ) const

inline

Definition at line 477 of file instruction.h.

{ return opcode() == kBlockStartInstruction; }

References v8::internal::compiler::kBlockStartInstruction, and opcode().

Referenced by v8::internal::compiler::FINAL< kOperandKind, kNumCachedOperands >::cast().

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IsCall()

bool v8::internal::compiler::Instruction::IsCall ( ) const

inline

Definition at line 470 of file instruction.h.

{ return IsCallField::decode(bit_field_); }

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

Referenced by ClobbersDoubleRegisters(), ClobbersRegisters(), ClobbersTemps(), and NeedsPointerMap().

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IsControl()

bool v8::internal::compiler::Instruction::IsControl ( ) const

inline

Definition at line 469 of file instruction.h.

{ return IsControlField::decode(bit_field_); }

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

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IsGapMoves()

bool v8::internal::compiler::Instruction::IsGapMoves ( ) const

inline

Definition at line 474 of file instruction.h.

                          {
    return opcode() == kGapInstruction || opcode() == kBlockStartInstruction;
  }

References v8::internal::compiler::kBlockStartInstruction, v8::internal::compiler::kGapInstruction, and opcode().

Referenced by v8::internal::compiler::GapInstruction::cast().

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IsSourcePosition()

bool v8::internal::compiler::Instruction::IsSourcePosition ( ) const

inline

Definition at line 478 of file instruction.h.

                                {
    return opcode() == kSourcePositionInstruction;
  }

References v8::internal::compiler::kSourcePositionInstruction, and opcode().

Referenced by v8::internal::compiler::FINAL< kOperandKind, kNumCachedOperands >::cast().

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MarkAsCall()

Instruction* v8::internal::compiler::Instruction::MarkAsCall ( )

inline

Definition at line 465 of file instruction.h.

                            {
    bit_field_ = IsCallField::update(bit_field_, true);
    return this;
  }

References bit_field_, and v8::internal::BitFieldBase< T, shift, size, U >::update().

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MarkAsControl()

Instruction* v8::internal::compiler::Instruction::MarkAsControl ( )

inline

Definition at line 461 of file instruction.h.

                               {
    bit_field_ = IsControlField::update(bit_field_, true);
    return this;
  }

References bit_field_, and v8::internal::BitFieldBase< T, shift, size, U >::update().

Referenced by v8::internal::compiler::VisitBinop(), v8::internal::compiler::VisitShift(), and v8::internal::compiler::VisitWordCompare().

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NeedsPointerMap()

bool v8::internal::compiler::Instruction::NeedsPointerMap ( ) const

inline

Definition at line 471 of file instruction.h.

{ return IsCall(); }

References IsCall().

Referenced by set_pointer_map().

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New() [1/2]

static Instruction* v8::internal::compiler::Instruction::New ( Zone *  zone, InstructionCode  opcode  )

inlinestatic

Definition at line 438 of file instruction.h.

                                                              {
    return New(zone, opcode, 0, NULL, 0, NULL, 0, NULL);
  }

References NULL, and opcode().

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New() [2/2]

static Instruction* v8::internal::compiler::Instruction::New ( Zone *  zone, InstructionCode  opcode, size_t  output_count, InstructionOperand **  outputs, size_t  input_count, InstructionOperand **  inputs, size_t  temp_count, InstructionOperand **  temps  )

inlinestatic

Definition at line 442 of file instruction.h.

                                                                         {
    DCHECK(opcode >= 0);
    DCHECK(output_count == 0 || outputs != NULL);
    DCHECK(input_count == 0 || inputs != NULL);
    DCHECK(temp_count == 0 || temps != NULL);
    InstructionOperand* none = NULL;
    USE(none);
    int size = static_cast<int>(RoundUp(sizeof(Instruction), kPointerSize) +
                                (output_count + input_count + temp_count - 1) *
                                    sizeof(none));
    return new (zone->New(size)) Instruction(
        opcode, output_count, outputs, input_count, inputs, temp_count, temps);
  }

References DCHECK, Instruction(), v8::internal::kPointerSize, v8::internal::Zone::New(), NULL, opcode(), v8::internal::RoundUp(), size, and USE().

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opcode()

InstructionCode v8::internal::compiler::Instruction::opcode ( ) const

inline

Definition at line 427 of file instruction.h.

{ return opcode_; }

References opcode_.

Referenced by addressing_mode(), arch_opcode(), flags_condition(), flags_mode(), IsBlockStart(), IsGapMoves(), IsSourcePosition(), v8::internal::compiler::IA32OperandConverter::MemoryOperand(), v8::internal::compiler::X64OperandConverter::MemoryOperand(), and New().

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operator delete()

void v8::internal::compiler::Instruction::operator delete ( void *  pointer, void *  location  )

inline

Definition at line 497 of file instruction.h.

{ UNREACHABLE(); }

References UNREACHABLE.

operator new()

void* v8::internal::compiler::Instruction::operator new ( size_t  , void *  location  )

inline

Definition at line 495 of file instruction.h.

{ return location; }

Output()

InstructionOperand* v8::internal::compiler::Instruction::Output ( ) const

inline

Definition at line 413 of file instruction.h.

{ return OutputAt(0); }

References OutputAt().

Referenced by v8::internal::compiler::InstructionOperandConverter::OutputDoubleRegister(), v8::internal::compiler::IA32OperandConverter::OutputOperand(), and v8::internal::compiler::X64OperandConverter::OutputRegisterOrOperand().

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OutputAt()

InstructionOperand* v8::internal::compiler::Instruction::OutputAt ( size_t  i ) const

inline

Definition at line 407 of file instruction.h.

                                               {
    DCHECK(i < OutputCount());
    return operands_[i];
  }

References DCHECK, operands_, and OutputCount().

Referenced by Output(), and v8::internal::compiler::InstructionOperandConverter::OutputRegister().

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OutputCount()

size_t v8::internal::compiler::Instruction::OutputCount ( ) const

inline

Definition at line 406 of file instruction.h.

{ return OutputCountField::decode(bit_field_); }

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

Referenced by HasOutput(), InputAt(), OutputAt(), v8::internal::compiler::TARGET_TEST_F(), and TempAt().

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pointer_map()

PointerMap* v8::internal::compiler::Instruction::pointer_map ( ) const

inline

Definition at line 485 of file instruction.h.

{ return pointer_map_; }

References pointer_map_.

set_pointer_map()

void v8::internal::compiler::Instruction::set_pointer_map ( PointerMap *  map )

inline

Definition at line 487 of file instruction.h.

                                        {
    DCHECK(NeedsPointerMap());
    DCHECK_EQ(NULL, pointer_map_);
    pointer_map_ = map;
  }

References DCHECK, DCHECK_EQ, map, NeedsPointerMap(), NULL, and pointer_map_.

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TempAt()

InstructionOperand* v8::internal::compiler::Instruction::TempAt ( size_t  i ) const

inline

Definition at line 422 of file instruction.h.

                                             {
    DCHECK(i < TempCount());
    return operands_[OutputCount() + InputCount() + i];
  }

References DCHECK, InputCount(), operands_, OutputCount(), and TempCount().

Referenced by v8::internal::compiler::IA32OperandConverter::TempOperand(), and v8::internal::compiler::InstructionOperandConverter::TempRegister().

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TempCount()

size_t v8::internal::compiler::Instruction::TempCount ( ) const

inline

Definition at line 421 of file instruction.h.

{ return TempCountField::decode(bit_field_); }

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

Referenced by TempAt().

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Member Data Documentation

bit_field_

uint32_t v8::internal::compiler::Instruction::bit_field_

protected

Definition at line 536 of file instruction.h.

Referenced by InputCount(), IsCall(), IsControl(), MarkAsCall(), MarkAsControl(), OutputCount(), and TempCount().

opcode_

InstructionCode v8::internal::compiler::Instruction::opcode_

protected

Definition at line 535 of file instruction.h.

Referenced by opcode().

operands_

InstructionOperand* v8::internal::compiler::Instruction::operands_[1]

protected

Definition at line 538 of file instruction.h.

Referenced by InputAt(), Instruction(), OutputAt(), and TempAt().

pointer_map_

PointerMap* v8::internal::compiler::Instruction::pointer_map_

protected

Definition at line 537 of file instruction.h.

Referenced by HasPointerMap(), pointer_map(), and set_pointer_map().

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

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