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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/AbsNode.java @ 19529:8fc336a04d77

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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 14e703edb2ab
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1 /*
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2 * Copyright (c) 2009, 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
ba5c9055c53a Make abs and sqrt subclasses of UnaryArithmeticNode.
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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
ba5c9055c53a Make abs and sqrt subclasses of UnaryArithmeticNode.
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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.compiler.common.type.*;
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26 import com.oracle.graal.compiler.common.type.ArithmeticOpTable.UnaryOp.Abs;
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27 import com.oracle.graal.graph.*;
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28 import com.oracle.graal.graph.spi.*;
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29 import com.oracle.graal.lir.gen.*;
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30 import com.oracle.graal.nodeinfo.*;
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31 import com.oracle.graal.nodes.*;
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32 import com.oracle.graal.nodes.spi.*;
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33
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34 /**
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35 * Absolute value.
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36 */
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37 @NodeInfo
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38 public final class AbsNode extends UnaryArithmeticNode<Abs> implements ArithmeticLIRLowerable, NarrowableArithmeticNode {
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39 public static final NodeClass<AbsNode> TYPE = NodeClass.create(AbsNode.class);
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40
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41 public AbsNode(ValueNode x) {
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42 super(TYPE, ArithmeticOpTable::getAbs, x);
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43 }
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44
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45 @Override
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46 public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
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47 ValueNode ret = super.canonical(tool, forValue);
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48 if (ret != this) {
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49 return ret;
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50 }
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51 if (forValue instanceof AbsNode) {
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52 return forValue;
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53 }
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54 return this;
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55 }
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56
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57 @Override
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58 public void generate(NodeMappableLIRBuilder builder, ArithmeticLIRGenerator gen) {
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59 builder.setResult(this, gen.emitMathAbs(builder.operand(getValue())));
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60 }
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61
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62 @NodeIntrinsic
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63 public static float abs(float n) {
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64 return Math.abs(n);
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65 }
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66
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67 @NodeIntrinsic
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68 public static double abs(double n) {
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69 return Math.abs(n);
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70 }
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71 }