Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndWriteNode.java @ 18998:ec0733b5a90a
Allow final modifier on node subclasses and start adding the modifier to leaf classes.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 28 Jan 2015 02:34:14 +0100 |
parents | f57d86eb036f |
children | 7e2c87dae93e |
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/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.nodes.java; import static com.oracle.graal.compiler.common.UnsafeAccess.*; import sun.misc.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; /** * Represents an atomic read-and-write operation like {@link Unsafe#getAndSetInt(Object, long, int)} * . */ @NodeInfo public final class AtomicReadAndWriteNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single { @Input ValueNode object; @Input ValueNode offset; @Input ValueNode newValue; protected final Kind valueKind; protected final LocationIdentity locationIdentity; public AtomicReadAndWriteNode(ValueNode object, ValueNode offset, ValueNode newValue, Kind valueKind, LocationIdentity locationIdentity) { super(StampFactory.forKind(newValue.getKind())); this.object = object; this.offset = offset; this.newValue = newValue; this.valueKind = valueKind; this.locationIdentity = locationIdentity; } public ValueNode object() { return object; } public ValueNode offset() { return offset; } public ValueNode newValue() { return newValue; } public Kind getValueKind() { return valueKind; } public LocationIdentity getLocationIdentity() { return locationIdentity; } public void lower(LoweringTool tool) { tool.getLowerer().lower(this, tool); } @NodeIntrinsic public static int getAndSetInt(Object object, long offset, int newValue, @SuppressWarnings("unused") @ConstantNodeParameter Kind valueKind, @ConstantNodeParameter @SuppressWarnings("unused") LocationIdentity locationIdentity) { return unsafe.getAndSetInt(object, offset, newValue); } @NodeIntrinsic public static long getAndSetLong(Object object, long offset, long newValue, @SuppressWarnings("unused") @ConstantNodeParameter Kind valueKind, @ConstantNodeParameter @SuppressWarnings("unused") LocationIdentity locationIdentity) { return unsafe.getAndSetLong(object, offset, newValue); } @NodeIntrinsic public static Object getAndSetObject(Object object, long offset, Object newValue, @SuppressWarnings("unused") @ConstantNodeParameter Kind valueKind, @ConstantNodeParameter @SuppressWarnings("unused") LocationIdentity locationIdentity) { return unsafe.getAndSetObject(object, offset, newValue); } }