001/*
002 * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023
024package com.oracle.graal.hotspot.nodes;
025
026import com.oracle.graal.compiler.common.type.*;
027import com.oracle.graal.graph.*;
028import com.oracle.graal.hotspot.*;
029import com.oracle.graal.nodeinfo.*;
030import com.oracle.graal.nodes.*;
031import com.oracle.graal.nodes.memory.address.*;
032import com.oracle.graal.nodes.memory.address.AddressNode.Address;
033import com.oracle.graal.nodes.spi.*;
034
035@NodeInfo
036public final class PrefetchAllocateNode extends FixedWithNextNode implements LIRLowerable {
037
038    public static final NodeClass<PrefetchAllocateNode> TYPE = NodeClass.create(PrefetchAllocateNode.class);
039    @Input(InputType.Association) AddressNode address;
040
041    public PrefetchAllocateNode(ValueNode address) {
042        super(TYPE, StampFactory.forVoid());
043        this.address = (AddressNode) address;
044    }
045
046    @Override
047    public void generate(NodeLIRBuilderTool gen) {
048        ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitPrefetchAllocate(gen.operand(address));
049    }
050
051    @NodeIntrinsic
052    public static native void prefetch(Address address);
053}