Mercurial > hg > graal-compiler
annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/OrNode.java @ 17450:45b45f902bed
removed Node generation (GRAAL-857)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 15 Oct 2014 15:35:33 +0200 |
parents | 83c3dd41ca64 |
children | 9619ba4daf4c |
rev | line source |
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1 /* |
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2 * Copyright (c) 2011, 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.nodes.calc; |
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24 |
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25 import com.oracle.graal.api.code.*; |
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26 import com.oracle.graal.api.meta.*; |
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27 import com.oracle.graal.compiler.common.type.*; |
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28 import com.oracle.graal.compiler.common.type.ArithmeticOpTable.BinaryOp.Or; |
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29 import com.oracle.graal.graph.spi.*; |
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30 import com.oracle.graal.lir.gen.*; |
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31 import com.oracle.graal.nodeinfo.*; |
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32 import com.oracle.graal.nodes.*; |
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33 import com.oracle.graal.nodes.spi.*; |
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34 import com.oracle.graal.nodes.util.*; |
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35 |
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36 @NodeInfo(shortName = "|") |
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37 public class OrNode extends BinaryArithmeticNode<Or> { |
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38 |
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39 public static OrNode create(ValueNode x, ValueNode y) { |
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40 return new OrNode(x, y); |
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41 } |
06c15e88d383
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42 |
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constructors in a Node class must be protected
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43 protected OrNode(ValueNode x, ValueNode y) { |
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44 super(ArithmeticOpTable::getOr, x, y); |
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45 } |
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46 |
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47 @Override |
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48 public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) { |
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49 ValueNode ret = super.canonical(tool, forX, forY); |
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50 if (ret != this) { |
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51 return ret; |
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52 } |
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53 |
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54 if (GraphUtil.unproxify(forX) == GraphUtil.unproxify(forY)) { |
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55 return forX; |
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56 } |
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57 if (forX.isConstant() && !forY.isConstant()) { |
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58 return create(forY, forX); |
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59 } |
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60 if (forY.isConstant()) { |
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61 Constant c = forY.asConstant(); |
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62 if (getOp(forX, forY).isNeutral(c)) { |
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63 return forX; |
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64 } |
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65 |
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66 if (c.getKind().isNumericInteger()) { |
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67 long rawY = c.asLong(); |
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68 long mask = CodeUtil.mask(PrimitiveStamp.getBits(stamp())); |
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69 if ((rawY & mask) == mask) { |
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70 return ConstantNode.forIntegerStamp(stamp(), mask); |
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71 } |
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72 } |
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73 return reassociate(this, ValueNode.isConstantPredicate(), forX, forY); |
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74 } |
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75 return this; |
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76 } |
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77 |
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78 @Override |
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79 public void generate(NodeMappableLIRBuilder builder, ArithmeticLIRGenerator gen) { |
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rename of x() to getX(), y() to getY() and object() to getValue()
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80 builder.setResult(this, gen.emitOr(builder.operand(getX()), builder.operand(getY()))); |
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81 } |
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82 } |