org.jikesrvm.compilers.opt.ir.operand

Class DoubleConstantOperand

java.lang.Object

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

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

org.jikesrvm.compilers.opt.ir.operand.DoubleConstantOperand

public final class DoubleConstantOperand
extends ConstantOperand

Represents a constant double operand.

See Also:

Operand

Field Summary

Fields

Modifier and Type	Field and Description
Offset	offset Offset in JTOC where this double constant lives. (0 for constants obtained from constant folding)
double	value Value of this operand.

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

instruction

Constructor Summary

Constructors

Constructor and Description
DoubleConstantOperand(double v) Constructs a new double constant operand with the specified value.
DoubleConstantOperand(double v, Offset i) Constructs a new double constant operand with the specified value and JTOC offset.

Method Summary

Modifier and Type	Method and Description
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	isDouble() Does the operand represent a value of the double data type?
boolean	similar(Operand op) Are two operands semantically equivalent?
String	toString() Returns the string representation of this operand.

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, isDoubleConstant, isFloat, isFloatConstant, isInt, isIntConstant, isIntLike, isLocation, isLong, 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

value

public double value

Value of this operand.

offset

public Offset offset

Offset in JTOC where this double constant lives. (0 for constants obtained from constant folding)

Constructor Detail

DoubleConstantOperand

public DoubleConstantOperand(double v)

Constructs a new double constant operand with the specified value.

Parameters:

v - value

DoubleConstantOperand

public DoubleConstantOperand(double v,
                             Offset i)

Constructs a new double constant operand with the specified value and JTOC offset.

Parameters:

v - value

i - offset in the jtoc

Method Detail

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

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.Double

isDouble

public boolean isDouble()

Description copied from class: Operand

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

Overrides:

isDouble in class Operand

Returns:

true

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.