1 /* 2 * Copyright (c) 2016, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.nodes.extended; 24 25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2; 26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1; 27 28 import org.graalvm.compiler.core.common.LocationIdentity; 29 import org.graalvm.compiler.core.common.type.StampFactory; 30 import org.graalvm.compiler.graph.NodeClass; 31 import org.graalvm.compiler.nodeinfo.NodeInfo; 32 import org.graalvm.compiler.nodes.AbstractStateSplit; 33 import org.graalvm.compiler.nodes.ValueNode; 34 import org.graalvm.compiler.nodes.memory.MemoryCheckpoint; 35 import org.graalvm.compiler.nodes.spi.Lowerable; 36 import org.graalvm.compiler.nodes.spi.LoweringTool; 37 38 import jdk.vm.ci.meta.JavaKind; 39 40 /** 41 * Store of a value at a location specified as an absolute address. 42 */ 43 @NodeInfo(cycles = CYCLES_2, size = SIZE_1) 44 public class UnsafeMemoryStoreNode extends AbstractStateSplit implements Lowerable, MemoryCheckpoint.Single { 45 46 public static final NodeClass<UnsafeMemoryStoreNode> TYPE = NodeClass.create(UnsafeMemoryStoreNode.class); 47 @Input protected ValueNode value; 48 @Input protected ValueNode address; 49 protected final JavaKind kind; 50 protected final LocationIdentity locationIdentity; 51 52 public UnsafeMemoryStoreNode(ValueNode address, ValueNode value, JavaKind kind, LocationIdentity locationIdentity) { 53 super(TYPE, StampFactory.forVoid()); 54 this.address = address; 55 this.value = value; 56 this.kind = kind; 57 this.locationIdentity = locationIdentity; 58 } 59 60 public ValueNode getValue() { 61 return value; 62 } 63 64 public ValueNode getAddress() { 65 return address; 66 } 67 68 public JavaKind getKind() { 69 return kind; 70 } 71 72 @Override 73 public void lower(LoweringTool tool) { 74 tool.getLowerer().lower(this, tool); 75 } 76 77 @Override 78 public LocationIdentity getLocationIdentity() { 79 return locationIdentity; 80 } 81 }