org.graalvm.compiler.core.amd64

Class AMD64AddressNode

java.lang.Object

org.graalvm.compiler.graph.Node

org.graalvm.compiler.nodes.ValueNode

org.graalvm.compiler.nodes.calc.FloatingNode

org.graalvm.compiler.nodes.memory.address.AddressNode

org.graalvm.compiler.core.amd64.AMD64AddressNode

All Implemented Interfaces:

Cloneable, Formattable, Node.IndirectCanonicalization, Node.ValueNumberable, SimplifiableMarker, LIRLowerable, Simplifiable, ValueNodeInterface

public class AMD64AddressNode
extends AddressNode
implements Simplifiable, LIRLowerable

Represents an address of the form [base + index*scale + displacement]. Both base and index are optional.

Nested Class Summary

Nested classes/interfaces inherited from class org.graalvm.compiler.nodes.memory.address.AddressNode

AddressNode.Address

Nested classes/interfaces inherited from class org.graalvm.compiler.graph.Node

Node.ConstantNodeParameter, Node.EdgeVisitor, Node.IndirectCanonicalization, Node.InjectedNodeParameter, Node.Input, Node.NodeInsertionStackTrace, Node.NodeIntrinsic, Node.NodeIntrinsicFactory, Node.OptionalInput, Node.Successor, Node.ValueNumberable

Field Summary

Fields

Modifier and Type	Field and Description
static NodeClass<AMD64AddressNode>	TYPE

Fields inherited from class org.graalvm.compiler.nodes.ValueNode

EMPTY_ARRAY, stamp

Fields inherited from class org.graalvm.compiler.graph.Node

NODE_LIST, NOT_ITERABLE, TRACK_CREATION_POSITION, WithAllEdges, WithNoEdges, WithOnlyInputEdges, WithOnlySucessorEdges

Constructor Summary

Constructors

Constructor and Description
AMD64AddressNode(ValueNode base)
AMD64AddressNode(ValueNode base, ValueNode index)

Method Summary

Modifier and Type	Method and Description
void	canonicalizeIndex(SimplifierTool tool)
void	generate(NodeLIRBuilderTool gen)
ValueNode	getBase()
int	getDisplacement()
ValueNode	getIndex()
long	getMaxConstantDisplacement() Constant that is the maximum displacement from the base and index for this address.
AMD64Address.Scale	getScale()
void	setBase(ValueNode base)
void	setDisplacement(int displacement)
void	setIndex(ValueNode index)
void	setScale(AMD64Address.Scale scale)
void	simplify(SimplifierTool tool)

Methods inherited from class org.graalvm.compiler.nodes.ValueNode

asConstant, asJavaConstant, asNode, asSerializableConstant, checkReplaceAtUsagesInvariants, getStackKind, graph, hasUsagesOtherThan, inferStamp, isAllowedUsageType, isConstant, isConstantPredicate, isDefaultConstant, isIllegalConstant, isJavaConstant, isNullConstant, isSerializableConstant, recursivelyDataFlowEqualsUpTo, setStamp, stamp, updateStamp, updateUsagesInterface

Methods inherited from class org.graalvm.compiler.graph.Node

afterClone, applyInputs, applySuccessors, assertFalse, assertTrue, cfgPredecessors, cfgSuccessors, clearInputs, clearNodeSourcePosition, clearSuccessors, copyWithInputs, copyWithInputs, dataFlowEquals, dynamicNodeSizeEstimate, estimatedNodeCycles, estimatedNodeSize, fail, formatTo, getCreationPosition, getDebug, getDebugProperties, getDebugProperties, getInsertionPosition, getNodeClass, getNodeSourcePosition, getOptions, getUsageCount, hasExactlyOneUsage, hashCode, hasMoreThanOneUsage, hasNoUsages, hasOnlyUsagesOfType, hasUsages, hasUsagesOfType, inputPositions, inputs, isAlive, isDeleted, isUnregistered, markDeleted, maybeNotifyZeroUsages, modCount, predecessor, pushInputs, removeUsage, replaceAllInputs, replaceAndDelete, replaceAtAllUsages, replaceAtMatchingUsages, replaceAtPredecessor, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceAtUsagesAndDelete, replaceAtUsagesAndDelete, replaceFirstInput, replaceFirstSuccessor, safeDelete, setCreationPosition, setInsertionPosition, setNodeSourcePosition, singleUsage, successorPositions, successors, toString, toString, updateNodeSourcePosition, updatePredecessor, updateUsages, usages, valueEquals, verify, verifyEdges, verifyInputs, verifySourcePosition, withNodeSourcePosition

Methods inherited from class java.lang.Object

clone, equals, getClass, notify, notifyAll, wait, wait, wait

Field Detail

TYPE

public static final NodeClass<AMD64AddressNode> TYPE

Constructor Detail

AMD64AddressNode

public AMD64AddressNode(ValueNode base)

AMD64AddressNode

public AMD64AddressNode(ValueNode base,
                        ValueNode index)

Method Detail

canonicalizeIndex

public void canonicalizeIndex(SimplifierTool tool)

generate

public void generate(NodeLIRBuilderTool gen)

Specified by:

generate in interface LIRLowerable

getBase

public ValueNode getBase()

Specified by:

getBase in class AddressNode

setBase

public void setBase(ValueNode base)

getIndex

public ValueNode getIndex()

Specified by:

getIndex in class AddressNode

setIndex

public void setIndex(ValueNode index)

getScale

public AMD64Address.Scale getScale()

setScale

public void setScale(AMD64Address.Scale scale)

getDisplacement

public int getDisplacement()

setDisplacement

public void setDisplacement(int displacement)

getMaxConstantDisplacement

public long getMaxConstantDisplacement()

Description copied from class: AddressNode

Constant that is the maximum displacement from the base and index for this address. This value is used to determine whether using the access as an implicit null check on the base is valid.

Specified by:

getMaxConstantDisplacement in class AddressNode

Returns:

the maximum distance in bytes from the base that this address can be

simplify

public void simplify(SimplifierTool tool)

Specified by:

simplify in interface Simplifiable