Mercurial > hg > truffle
annotate graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MathIntrinsicNode.java @ 11272:1e07d9303420
Marker interface for primitive arithmetic nodes.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Fri, 09 Aug 2013 11:38:40 +0200 |
parents | 585cc62fcdc5 |
children | 686d6d99352c |
rev | line source |
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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.replacements.nodes; |
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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.gen.*; |
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28 import com.oracle.graal.compiler.target.*; |
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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.nodes.*; |
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32 import com.oracle.graal.nodes.calc.*; |
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33 import com.oracle.graal.nodes.spi.*; |
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34 import com.oracle.graal.nodes.type.*; |
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35 |
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36 public class MathIntrinsicNode extends FloatingNode implements Canonicalizable, LIRGenLowerable, ArithmeticOperation { |
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37 |
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38 @Input private ValueNode x; |
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39 private final Operation operation; |
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40 |
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41 public enum Operation { |
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42 ABS, SQRT, LOG, LOG10, SIN, COS, TAN |
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43 } |
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44 |
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45 public ValueNode x() { |
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46 return x; |
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47 } |
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48 |
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49 public Operation operation() { |
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50 return operation; |
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51 } |
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52 |
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53 public MathIntrinsicNode(ValueNode x, Operation op) { |
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54 super(StampFactory.forKind(x.kind())); |
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55 assert x.kind() == Kind.Double; |
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56 this.x = x; |
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57 this.operation = op; |
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58 } |
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59 |
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60 @Override |
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61 public void generate(LIRGenerator gen) { |
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62 Variable input = gen.load(gen.operand(x())); |
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63 Variable result = gen.newVariable(kind()); |
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64 switch (operation()) { |
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65 case ABS: |
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66 gen.emitMathAbs(result, input); |
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67 break; |
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68 case SQRT: |
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69 gen.emitMathSqrt(result, input); |
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70 break; |
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71 case LOG: |
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72 gen.emitMathLog(result, input, false); |
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73 break; |
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74 case LOG10: |
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75 gen.emitMathLog(result, input, true); |
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76 break; |
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77 case SIN: |
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78 gen.emitMathSin(result, input); |
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79 break; |
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80 case COS: |
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81 gen.emitMathCos(result, input); |
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82 break; |
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83 case TAN: |
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84 gen.emitMathTan(result, input); |
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85 break; |
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86 default: |
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87 throw GraalInternalError.shouldNotReachHere(); |
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88 } |
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89 gen.setResult(this, result); |
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90 } |
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91 |
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92 @Override |
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93 public ValueNode canonical(CanonicalizerTool tool) { |
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94 if (x().isConstant()) { |
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95 double value = x().asConstant().asDouble(); |
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96 switch (operation()) { |
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97 case ABS: |
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98 return ConstantNode.forDouble(Math.abs(value), graph()); |
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99 case SQRT: |
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100 return ConstantNode.forDouble(Math.sqrt(value), graph()); |
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101 case LOG: |
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102 return ConstantNode.forDouble(Math.log(value), graph()); |
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103 case LOG10: |
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104 return ConstantNode.forDouble(Math.log10(value), graph()); |
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105 case SIN: |
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106 return ConstantNode.forDouble(Math.sin(value), graph()); |
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107 case COS: |
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108 return ConstantNode.forDouble(Math.cos(value), graph()); |
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109 case TAN: |
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110 return ConstantNode.forDouble(Math.tan(value), graph()); |
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111 default: |
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112 throw GraalInternalError.shouldNotReachHere(); |
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113 } |
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114 } |
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115 return this; |
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116 } |
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117 |
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118 @NodeIntrinsic |
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119 public static double compute(double value, @ConstantNodeParameter Operation op) { |
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120 switch (op) { |
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121 case ABS: |
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122 return Math.abs(value); |
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123 case SQRT: |
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124 return Math.sqrt(value); |
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125 case LOG: |
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126 return Math.log(value); |
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127 case LOG10: |
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128 return Math.log10(value); |
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129 case SIN: |
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130 return Math.sin(value); |
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131 case COS: |
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132 return Math.cos(value); |
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133 case TAN: |
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134 return Math.tan(value); |
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135 } |
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136 throw new GraalInternalError("unknown op %s", op); |
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137 } |
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138 } |