com.oracle.graal.compiler.common.type

Class PrimitiveStamp

java.lang.Object

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

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

com.oracle.graal.compiler.common.type.PrimitiveStamp

Direct Known Subclasses:

FloatStamp, IntegerStamp

public abstract class PrimitiveStamp
extends ArithmeticStamp

Type describing primitive values.

Field Summary

Fields

Modifier and Type	Field and Description
private int	bits

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PrimitiveStamp(int bits, ArithmeticOpTable ops)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	getBits() The width in bits of the value described by this stamp.
static int	getBits(Stamp stamp)
int	hashCode()
jdk.internal.jvmci.meta.Constant	readConstant(jdk.internal.jvmci.meta.MemoryAccessProvider provider, jdk.internal.jvmci.meta.Constant base, long displacement) Read a value of this stamp from memory.

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

deserialize, getOps, improveWith

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

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

Methods inherited from class java.lang.Object

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

Field Detail

bits

private final int bits

Constructor Detail

PrimitiveStamp

protected PrimitiveStamp(int bits,
                         ArithmeticOpTable ops)

Method Detail

getBits

public int getBits()

The width in bits of the value described by this stamp.

getBits

public static int getBits(Stamp stamp)

readConstant

public jdk.internal.jvmci.meta.Constant readConstant(jdk.internal.jvmci.meta.MemoryAccessProvider provider,
                                                     jdk.internal.jvmci.meta.Constant base,
                                                     long displacement)

Description copied from class: Stamp

Read a value of this stamp from memory.

Specified by:

readConstant in class Stamp

hashCode

public int hashCode()

Overrides:

hashCode in class ArithmeticStamp

equals

public boolean equals(Object obj)

Overrides:

equals in class ArithmeticStamp