Package org.qbicc.plugin.gc.common.safepoint

Class NoSafePointStrategy

java.lang.Object

org.qbicc.plugin.gc.common.safepoint.AbstractSafePointStrategy

org.qbicc.plugin.gc.common.safepoint.NoSafePointStrategy

public final class NoSafePointStrategy
extends AbstractSafePointStrategy

A safepoint strategy where no safepoints may be entered.

Field Summary

Fields inherited from class org.qbicc.plugin.gc.common.safepoint.AbstractSafePointStrategy

ctxt

Constructor Summary

Constructors

Constructor	Description
NoSafePointStrategy(CompilationContext ctxt)	Construct a new instance.

Method Summary

Modifier and Type	Method	Description
void	implementClearGlobalSafePoint(BasicBlockBuilder bbb)	Implement the method which clears a global safepoint request.
void	implementRequestGlobalSafePoint(BasicBlockBuilder bbb)	Implement the method which requests a global safepoint.
void	safePoint(BasicBlockBuilder bbb)	Implement the SafePoint node.

Methods inherited from class org.qbicc.plugin.gc.common.safepoint.AbstractSafePointStrategy

forEachSafePointMethod, registerReachableMethods

Methods inherited from class java.lang.Object

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

Constructor Details

NoSafePointStrategy

public NoSafePointStrategy(CompilationContext ctxt)

Construct a new instance.

Parameters:

ctxt - the compilation context

Method Details

safePoint

public void safePoint(BasicBlockBuilder bbb)

Description copied from class: AbstractSafePointStrategy

Implement the SafePoint node. This method is called during lowering to implement the actual action of a safepoint poll.

Specified by:

safePoint in class AbstractSafePointStrategy

Parameters:

bbb - the block builder (not null)

implementRequestGlobalSafePoint

public void implementRequestGlobalSafePoint(BasicBlockBuilder bbb)

Description copied from class: AbstractSafePointStrategy

Implement the method which requests a global safepoint. The implementation must not throw any exception, poll for a safepoint, or call any method that may do either.

Specified by:

implementRequestGlobalSafePoint in class AbstractSafePointStrategy

Parameters:

bbb - the block builder (not null)

implementClearGlobalSafePoint

public void implementClearGlobalSafePoint(BasicBlockBuilder bbb)

Description copied from class: AbstractSafePointStrategy

Implement the method which clears a global safepoint request. The implementation must not throw any exception, poll for a safepoint, or call any method that may do either.

Specified by:

implementClearGlobalSafePoint in class AbstractSafePointStrategy

Parameters:

bbb - the block builder (not null)