org.jikesrvm.compilers.opt.ir.operand

Class LongConstantOperand

java.lang.Object

org.jikesrvm.compilers.opt.ir.operand.Operand

org.jikesrvm.compilers.opt.ir.operand.ConstantOperand

org.jikesrvm.compilers.opt.ir.operand.LongConstantOperand

public final class LongConstantOperand
extends ConstantOperand

Represents a constant long operand.

See Also:

Operand

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	convertedFromRef Converted from a reference?
long	value Value of this operand.
static LongConstantOperand	zero Constant 0, can be copied as convenient

Fields inherited from class org.jikesrvm.compilers.opt.ir.operand.Operand

instruction

Constructor Summary

Constructors

Constructor and Description
LongConstantOperand(long v) Constructs a new long constant operand with the specified value.
LongConstantOperand(long v, boolean convertedFromRef)

Method Summary

Modifier and Type	Method and Description
boolean	convertedFromRef()
Operand	copy() Return a new operand that is semantically equivalent to this.
TypeReference	getType() Return the TypeReference of the value represented by the operand.
boolean	isLong() Does the operand represent a value of the long data type?
int	lower32()
boolean	similar(Operand op) Are two operands semantically equivalent?
String	toString() Returns the string representation of this operand.
int	upper32()

Methods inherited from class org.jikesrvm.compilers.opt.ir.operand.Operand

asAddressConstant, asBlock, asBranch, asClassConstant, asCondition, asDoubleConstant, asFloatConstant, asIntConstant, asLocation, asLongConstant, asMemory, asMethod, asNullConstant, asObjectConstant, asRegister, asStackLocation, asStringConstant, asTIBConstant, asType, conservativelyApproximates, getIndexInInstruction, isAddress, isAddressConstant, isBlock, isBranch, isClassConstant, isConstant, isDefinitelyNull, isDouble, isDoubleConstant, isFloat, isFloatConstant, isInt, isIntConstant, isIntLike, isLocation, isLongConstant, isMemory, isMethod, isMovableObjectConstant, isNullConstant, isObjectConstant, isRef, isRegister, isStackLocation, isStringConstant, isTIBConstant, isTrueGuard, isType, meet

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

zero

public static final LongConstantOperand zero

Constant 0, can be copied as convenient

value

public long value

Value of this operand.

convertedFromRef

private boolean convertedFromRef

Converted from a reference?

Constructor Detail

LongConstantOperand

public LongConstantOperand(long v)

Constructs a new long constant operand with the specified value.

Parameters:

v - value

LongConstantOperand

public LongConstantOperand(long v,
                           boolean convertedFromRef)

Method Detail

getType

public TypeReference getType()

Description copied from class: Operand

Return the TypeReference of the value represented by the operand.

Overrides:

getType in class Operand

Returns:

TypeReference.Long

isLong

public boolean isLong()

Description copied from class: Operand

Does the operand represent a value of the long data type?

Overrides:

isLong in class Operand

Returns:

true

lower32

public int lower32()

Returns:

the lower 32 bits (as an int) of value

upper32

public int upper32()

Returns:

the upper 32 bits (as an int) of value

convertedFromRef

public boolean convertedFromRef()

Returns:

whether the operand was converted from a reference type

copy

public Operand copy()

Description copied from class: Operand

Return a new operand that is semantically equivalent to this.

Specified by:

copy in class Operand

Returns:

a copy of this

similar

public boolean similar(Operand op)

Description copied from class: Operand

Are two operands semantically equivalent?

Specified by:

similar in class Operand

Parameters:

op - other operand

Returns:

true if this and op are semantically equivalent or false if they are not.

toString

public String toString()

Returns the string representation of this operand.

Overrides:

toString in class Object

Returns:

a string representation of this operand.