com.oracle.graal.hotspot.amd64

Class AMD64HotSpotSafepointOp

java.lang.Object

com.oracle.graal.lir.LIRInstruction

com.oracle.graal.lir.amd64.AMD64LIRInstruction

com.oracle.graal.hotspot.amd64.AMD64HotSpotSafepointOp

public final class AMD64HotSpotSafepointOp
extends AMD64LIRInstruction

Emits a safepoint poll.

Nested Class Summary

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

LIRInstruction.Alive, LIRInstruction.Def, LIRInstruction.OperandFlag, LIRInstruction.OperandMode, LIRInstruction.State, LIRInstruction.Temp, LIRInstruction.Use

Field Summary

Fields

Modifier and Type	Field and Description
private HotSpotVMConfig	config
protected LIRFrameState	state
private AllocatableValue	temp
static LIRInstructionClass<AMD64HotSpotSafepointOp>	TYPE

Fields inherited from class com.oracle.graal.lir.LIRInstruction

ADDRESS_FLAGS, ALLOWED_FLAGS

Constructor Summary

Constructors

Constructor and Description
AMD64HotSpotSafepointOp(LIRFrameState state, HotSpotVMConfig config, NodeLIRBuilderTool tool)

Method Summary

Modifier and Type	Method and Description
void	emitCode(CompilationResultBuilder crb, AMD64MacroAssembler asm)
static void	emitCode(CompilationResultBuilder crb, AMD64MacroAssembler asm, HotSpotVMConfig config, boolean atReturn, LIRFrameState state, Register scratch)
private static boolean	isPollingPageFar(HotSpotVMConfig config) Tests if the polling page address can be reached from the code cache with 32-bit displacements.

Methods inherited from class com.oracle.graal.lir.amd64.AMD64LIRInstruction

emitCode

Methods inherited from class com.oracle.graal.lir.LIRInstruction

destroysCallerSavedRegisters, forEachAlive, forEachAlive, forEachInput, forEachInput, forEachOutput, forEachOutput, forEachRegisterHint, forEachRegisterHint, forEachState, forEachState, forEachState, forEachState, forEachTemp, forEachTemp, getLIRInstructionClass, hasOperands, hasState, id, name, setId, toString, toStringWithIdPrefix, verify, visitEachAlive, visitEachAlive, visitEachInput, visitEachInput, visitEachOutput, visitEachOutput, visitEachState, visitEachState, visitEachTemp, visitEachTemp

Methods inherited from class java.lang.Object

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

Field Detail

TYPE

public static final LIRInstructionClass<AMD64HotSpotSafepointOp> TYPE

state

protected LIRFrameState state

temp

private AllocatableValue temp

config

private final HotSpotVMConfig config

Constructor Detail

AMD64HotSpotSafepointOp

public AMD64HotSpotSafepointOp(LIRFrameState state,
                               HotSpotVMConfig config,
                               NodeLIRBuilderTool tool)

Method Detail

emitCode

public void emitCode(CompilationResultBuilder crb,
                     AMD64MacroAssembler asm)

Specified by:

emitCode in class AMD64LIRInstruction

isPollingPageFar

private static boolean isPollingPageFar(HotSpotVMConfig config)

Tests if the polling page address can be reached from the code cache with 32-bit displacements.

emitCode

public static void emitCode(CompilationResultBuilder crb,
                            AMD64MacroAssembler asm,
                            HotSpotVMConfig config,
                            boolean atReturn,
                            LIRFrameState state,
                            Register scratch)