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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/JavaWriteNode.java @ 19526:8fc336a04d77

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Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 20 Feb 2015 22:22:55 +0100
parents 61d3cb8e1280
children cba35d171cd1
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1 /*
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2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.nodes.extended;
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24
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25 import com.oracle.graal.api.meta.*;
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26 import com.oracle.graal.graph.*;
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27 import com.oracle.graal.nodeinfo.*;
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28 import com.oracle.graal.nodes.*;
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29 import com.oracle.graal.nodes.spi.*;
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30
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31 /**
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32 * Write a raw memory location according to Java field or array write semantics. It will perform
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33 * write barriers, implicit conversions and optionally oop compression.
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34 */
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35 @NodeInfo
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36 public final class JavaWriteNode extends AbstractWriteNode implements Lowerable, StateSplit, MemoryAccess, MemoryCheckpoint.Single {
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37
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38 public static final NodeClass<JavaWriteNode> TYPE = NodeClass.create(JavaWriteNode.class);
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39 protected final Kind writeKind;
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40 protected final boolean compressible;
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41
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42 public JavaWriteNode(Kind writeKind, ValueNode object, ValueNode value, ValueNode location, BarrierType barrierType, boolean compressible, boolean initialization) {
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43 super(TYPE, object, value, location, barrierType, initialization);
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44 this.writeKind = writeKind;
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45 this.compressible = compressible;
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46 }
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47
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48 public void lower(LoweringTool tool) {
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49 tool.getLowerer().lower(this, tool);
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50 }
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51
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52 public boolean canNullCheck() {
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53 return true;
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54 }
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55
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56 public Kind getWriteKind() {
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57 return writeKind;
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58 }
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59
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60 public boolean isCompressible() {
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61 return compressible;
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62 }
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63 }