com.oracle.graal.compiler.common.type

Class ArithmeticStamp

java.lang.Object

com.oracle.graal.compiler.common.type.Stamp

com.oracle.graal.compiler.common.type.ArithmeticStamp

Direct Known Subclasses:

PrimitiveStamp

public abstract class ArithmeticStamp
extends Stamp

Type describing values that support arithmetic operations.

Field Summary

Fields

Modifier and Type	Field and Description
private ArithmeticOpTable	ops

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ArithmeticStamp(ArithmeticOpTable ops)

Method Summary

Modifier and Type	Method and Description
abstract jdk.internal.jvmci.meta.SerializableConstant	deserialize(ByteBuffer buffer)
boolean	equals(Object obj)
ArithmeticOpTable	getOps()
int	hashCode()
Stamp	improveWith(Stamp other) Tries to improve this stamp with the stamp given as parameter.

Methods inherited from class com.oracle.graal.compiler.common.type.Stamp

alwaysDistinct, asConstant, constant, empty, getLIRKind, getStackKind, hasValues, isCompatible, isEmpty, javaType, join, meet, neverDistinct, readConstant, tryImproveWith, unrestricted

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

ops

private final ArithmeticOpTable ops

Constructor Detail

ArithmeticStamp

protected ArithmeticStamp(ArithmeticOpTable ops)

Method Detail

getOps

public ArithmeticOpTable getOps()

deserialize

public abstract jdk.internal.jvmci.meta.SerializableConstant deserialize(ByteBuffer buffer)

improveWith

public Stamp improveWith(Stamp other)

Description copied from class: Stamp

Tries to improve this stamp with the stamp given as parameter. If successful, returns the new improved stamp. Otherwise, returns a stamp equal to this.

Specified by:

improveWith in class Stamp

Parameters:

other - the stamp that should be used to improve this stamp

Returns:

the newly improved stamp or a stamp equal to this if an improvement was not possible

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object