Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AtomicReadAndAddNode.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.LocationIdentity; import jdk.vm.ci.meta.Value; import sun.misc.Unsafe; import com.oracle.graal.compiler.common.type.StampFactory; import com.oracle.graal.graph.NodeClass; import com.oracle.graal.nodeinfo.InputType; 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.memory.address.AddressNode; import com.oracle.graal.nodes.spi.LIRLowerable; import com.oracle.graal.nodes.spi.NodeLIRBuilderTool; /** * Represents an atomic read-and-add operation like {@link Unsafe#getAndAddInt(Object, long, int)}. */ @NodeInfo(allowedUsageTypes = {InputType.Memory}) public final class AtomicReadAndAddNode extends AbstractMemoryCheckpoint implements LIRLowerable, MemoryCheckpoint.Single { public static final NodeClass<AtomicReadAndAddNode> TYPE = NodeClass.create(AtomicReadAndAddNode.class); @Input(InputType.Association) AddressNode address; @Input ValueNode delta; protected final LocationIdentity locationIdentity; public AtomicReadAndAddNode(AddressNode address, ValueNode delta, LocationIdentity locationIdentity) { super(TYPE, StampFactory.forKind(delta.getStackKind())); this.address = address; this.delta = delta; this.locationIdentity = locationIdentity; } public ValueNode delta() { return delta; } public LocationIdentity getLocationIdentity() { return locationIdentity; } public void generate(NodeLIRBuilderTool gen) { Value result = gen.getLIRGeneratorTool().emitAtomicReadAndAdd(gen.operand(address), gen.operand(delta)); gen.setResult(this, result); } }