com.oracle.graal.lir.alloc.lsra.ssi

Class SSILinearScanLifetimeAnalysisPhase

java.lang.Object

com.oracle.graal.lir.phases.LIRPhase<AllocationPhase.AllocationContext>

com.oracle.graal.lir.phases.AllocationPhase

com.oracle.graal.lir.alloc.lsra.LinearScanLifetimeAnalysisPhase

com.oracle.graal.lir.alloc.lsra.ssi.SSILinearScanLifetimeAnalysisPhase

public class SSILinearScanLifetimeAnalysisPhase
extends LinearScanLifetimeAnalysisPhase

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.graal.lir.phases.AllocationPhase

AllocationPhase.AllocationContext

Nested classes/interfaces inherited from class com.oracle.graal.lir.phases.LIRPhase

LIRPhase.Options

Field Summary

Fields inherited from class com.oracle.graal.lir.alloc.lsra.LinearScanLifetimeAnalysisPhase

allocator

Constructor Summary

Constructors

Constructor and Description
SSILinearScanLifetimeAnalysisPhase(LinearScan linearScan)

Method Summary

Modifier and Type	Method and Description
protected void	addRegisterHint(LIRInstruction op, Value targetValue, LIRInstruction.OperandMode mode, EnumSet<LIRInstruction.OperandFlag> flags, boolean hintAtDef)
protected void	buildIntervals()
protected void	changeSpillDefinitionPos(LIRInstruction op, AllocatableValue operand, Interval interval, int defPos) Eliminates moves from register to stack if the stack slot is known to be correct.
protected Interval.RegisterPriority	registerPriorityOfOutputOperand(LIRInstruction op) Determines the register priority for an instruction's output/result operand.

Methods inherited from class com.oracle.graal.lir.alloc.lsra.LinearScanLifetimeAnalysisPhase

addDef, addTemp, addUse, computeGlobalLiveSets, getMaterializedValue, handleMethodArguments, numberInstructions, registerPriorityOfInputOperand, reportFailure, run, verifyLiveness

Methods inherited from class com.oracle.graal.lir.phases.AllocationPhase

run

Methods inherited from class com.oracle.graal.lir.phases.LIRPhase

apply, apply, createName, getName

Methods inherited from class java.lang.Object

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

Constructor Detail

SSILinearScanLifetimeAnalysisPhase

public SSILinearScanLifetimeAnalysisPhase(LinearScan linearScan)

Method Detail

addRegisterHint

protected void addRegisterHint(LIRInstruction op,
                               Value targetValue,
                               LIRInstruction.OperandMode mode,
                               EnumSet<LIRInstruction.OperandFlag> flags,
                               boolean hintAtDef)

Overrides:

addRegisterHint in class LinearScanLifetimeAnalysisPhase

changeSpillDefinitionPos

protected void changeSpillDefinitionPos(LIRInstruction op,
                                        AllocatableValue operand,
                                        Interval interval,
                                        int defPos)

Description copied from class: LinearScanLifetimeAnalysisPhase

Eliminates moves from register to stack if the stack slot is known to be correct.

Overrides:

changeSpillDefinitionPos in class LinearScanLifetimeAnalysisPhase

buildIntervals

protected void buildIntervals()

Overrides:

buildIntervals in class LinearScanLifetimeAnalysisPhase

registerPriorityOfOutputOperand

protected Interval.RegisterPriority registerPriorityOfOutputOperand(LIRInstruction op)

Description copied from class: LinearScanLifetimeAnalysisPhase

Determines the register priority for an instruction's output/result operand.

Overrides:

registerPriorityOfOutputOperand in class LinearScanLifetimeAnalysisPhase