Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndWriteNode.java @ 23394:964f28c04d7b default tip
Don't fill the code cache with nmethods from CTW
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Fri, 05 Feb 2016 22:48:36 -0800 |
parents | 615f3bbbb174 |
children |
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/* * Copyright (c) 2014, 2015, 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 jdk.vm.ci.meta.JavaKind; import jdk.vm.ci.meta.LocationIdentity; import sun.misc.Unsafe; import com.oracle.graal.compiler.common.type.StampFactory; import com.oracle.graal.graph.NodeClass; import com.oracle.graal.nodeinfo.NodeInfo; import com.oracle.graal.nodes.ValueNode; import com.oracle.graal.nodes.memory.AbstractMemoryCheckpoint; import com.oracle.graal.nodes.memory.MemoryCheckpoint; import com.oracle.graal.nodes.spi.Lowerable; import com.oracle.graal.nodes.spi.LoweringTool; /** * 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 { public static final NodeClass<AtomicReadAndWriteNode> TYPE = NodeClass.create(AtomicReadAndWriteNode.class); @Input ValueNode object; @Input ValueNode offset; @Input ValueNode newValue; protected final JavaKind valueKind; protected final LocationIdentity locationIdentity; public AtomicReadAndWriteNode(ValueNode object, ValueNode offset, ValueNode newValue, JavaKind valueKind, LocationIdentity locationIdentity) { super(TYPE, StampFactory.forKind(newValue.getStackKind())); 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 JavaKind getValueKind() { return valueKind; } public LocationIdentity getLocationIdentity() { return locationIdentity; } public void lower(LoweringTool tool) { tool.getLowerer().lower(this, tool); } }