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annotate graal/com.oracle.max.graal.snippets/src/com/oracle/graal/snippets/nodes/MathIntrinsicNode.java @ 5060:4ed4295ce15f

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Update import statements.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 08 Mar 2012 19:11:12 +0100
parents ed559a528128
children
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1 /*
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2 * Copyright (c) 2012, 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.snippets.nodes;
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24
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25 import static com.oracle.graal.lir.amd64.AMD64Arithmetic.*;
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26
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27 import com.oracle.max.cri.ci.*;
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28 import com.oracle.graal.compiler.target.amd64.*;
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29 import com.oracle.graal.graph.*;
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30 import com.oracle.graal.lir.*;
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31 import com.oracle.graal.lir.amd64.AMD64Arithmetic.Op2Reg;
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32 import com.oracle.graal.nodes.*;
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33 import com.oracle.graal.nodes.calc.*;
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34 import com.oracle.graal.nodes.spi.*;
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35 import com.oracle.graal.nodes.type.*;
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36 import com.oracle.graal.snippets.target.amd64.*;
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38 public class MathIntrinsicNode extends FloatingNode implements Canonicalizable, AMD64LIRLowerable {
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39
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40 @Input private ValueNode x;
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41 @Data private final Operation operation;
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42
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43 public enum Operation {
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44 ABS, SQRT, LOG, LOG10, SIN, COS, TAN,
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45 }
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46
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47 public ValueNode x() {
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48 return x;
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49 }
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50
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51 public Operation operation() {
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52 return operation;
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53 }
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54
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55 public MathIntrinsicNode(ValueNode x, Operation op) {
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56 super(StampFactory.forKind(x.kind()));
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57 assert x.kind() == CiKind.Double;
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58 this.x = x;
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59 this.operation = op;
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60 }
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61
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62 @Override
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63 public void generateAmd64(AMD64LIRGenerator gen) {
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64 Variable input = gen.load(gen.operand(x()));
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65 Variable result = gen.newVariable(kind());
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66 switch (operation()) {
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67 case ABS: gen.append(new Op2Reg(DAND, result, input, CiConstant.forDouble(Double.longBitsToDouble(0x7FFFFFFFFFFFFFFFL)))); break;
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68 case SQRT: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.SQRT, result, input)); break;
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69 case LOG: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.LOG, result, input)); break;
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70 case LOG10: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.LOG10, result, input)); break;
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71 case SIN: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.SIN, result, input)); break;
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72 case COS: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.COS, result, input)); break;
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73 case TAN: gen.append(new AMD64MathIntrinsicOp(AMD64MathIntrinsicOp.Opcode.TAN, result, input)); break;
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74 default: throw GraalInternalError.shouldNotReachHere();
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75 }
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76 gen.setResult(this, result);
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77 }
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78
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79 @Override
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80 public ValueNode canonical(CanonicalizerTool tool) {
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81 if (x().isConstant()) {
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82 double value = x().asConstant().asDouble();
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83 switch (operation()) {
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84 case ABS: return ConstantNode.forDouble(Math.abs(value), graph());
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85 case SQRT: return ConstantNode.forDouble(Math.sqrt(value), graph());
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86 case LOG: return ConstantNode.forDouble(Math.log(value), graph());
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87 case LOG10: return ConstantNode.forDouble(Math.log10(value), graph());
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88 case SIN: return ConstantNode.forDouble(Math.sin(value), graph());
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89 case COS: return ConstantNode.forDouble(Math.cos(value), graph());
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90 case TAN: return ConstantNode.forDouble(Math.tan(value), graph());
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91 }
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92 }
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93 return this;
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94 }
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95
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96 @SuppressWarnings("unused")
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97 @NodeIntrinsic
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98 public static double compute(double x, @ConstantNodeParameter Operation op) {
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99 throw new UnsupportedOperationException("This method may only be compiled with the Graal compiler");
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100 }
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101 }