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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/word/PointerCastNode.java @ 19526:8fc336a04d77
Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 20 Feb 2015 22:22:55 +0100 |
parents | 61d3cb8e1280 |
children | c59d8ba9ced5 |
rev | line source |
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Use floating node for casting between metaspace pointers and words.
Roland Schatz <roland.schatz@oracle.com>
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1 /* |
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2 * Copyright (c) 2014, 2014, 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.hotspot.word; |
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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.compiler.common.type.*; |
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Create static final NodeClass field named TYPE in Node subclasses.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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27 import com.oracle.graal.graph.*; |
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28 import com.oracle.graal.nodeinfo.*; |
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29 import com.oracle.graal.nodes.*; |
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30 import com.oracle.graal.nodes.calc.*; |
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31 import com.oracle.graal.nodes.spi.*; |
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32 |
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33 /** |
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34 * Cast between Word and metaspace pointers that is introduced by the |
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35 * {@link HotSpotWordTypeRewriterPhase}. |
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36 */ |
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37 @NodeInfo |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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38 public final class PointerCastNode extends FloatingNode implements LIRLowerable { |
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39 |
19526
8fc336a04d77
Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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40 public static final NodeClass<PointerCastNode> TYPE = NodeClass.create(PointerCastNode.class); |
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41 @Input ValueNode input; |
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42 |
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removed Node factory methods
Doug Simon <doug.simon@oracle.com>
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43 public PointerCastNode(Stamp stamp, ValueNode input) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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44 super(TYPE, stamp); |
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45 this.input = input; |
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46 } |
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47 |
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48 public ValueNode getInput() { |
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49 return input; |
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50 } |
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51 |
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52 @Override |
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53 public void generate(NodeLIRBuilderTool generator) { |
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54 Value value = generator.operand(input); |
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55 assert value.getLIRKind().equals(generator.getLIRGeneratorTool().getLIRKind(stamp())) : "PointerCastNode shouldn't change the LIRKind"; |
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56 |
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57 generator.setResult(this, value); |
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58 } |
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59 } |