1 /* 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package com.oracle.graal.replacements.nodes; 24 25 import com.oracle.graal.api.meta.*; 26 import com.oracle.graal.compiler.gen.*; 27 import com.oracle.graal.compiler.target.*; 28 import com.oracle.graal.graph.*; 29 import com.oracle.graal.lir.*; 30 import com.oracle.graal.nodes.*; 31 import com.oracle.graal.nodes.calc.*; 32 import com.oracle.graal.nodes.spi.*; 33 import com.oracle.graal.nodes.type.*; 34 35 public class MathIntrinsicNode extends FloatingNode implements Canonicalizable, LIRGenLowerable { 36 37 @Input private ValueNode x; 38 private final Operation operation; 39 40 public enum Operation { 41 ABS, SQRT, LOG, LOG10, SIN, COS, TAN 42 } 43 44 public ValueNode x() { 45 return x; 46 } 47 48 public Operation operation() { 49 return operation; 50 } 51 52 public MathIntrinsicNode(ValueNode x, Operation op) { 53 super(StampFactory.forKind(x.kind())); 54 assert x.kind() == Kind.Double; 55 this.x = x; 56 this.operation = op; 57 } 58 59 @Override 60 public void generate(LIRGenerator gen) { 61 Variable input = gen.load(gen.operand(x())); 62 Variable result = gen.newVariable(kind()); 63 switch (operation()) { 64 case ABS: 65 gen.emitMathAbs(result, input); 66 break; 67 case SQRT: 68 gen.emitMathSqrt(result, input); 69 break; 70 case LOG: 71 gen.emitMathLog(result, input, false); 72 break; 73 case LOG10: 74 gen.emitMathLog(result, input, true); 75 break; 76 case SIN: 77 gen.emitMathSin(result, input); 78 break; 79 case COS: 80 gen.emitMathCos(result, input); 81 break; 82 case TAN: 83 gen.emitMathTan(result, input); 84 break; 85 default: 86 throw GraalInternalError.shouldNotReachHere(); 87 } 88 gen.setResult(this, result); 89 } 90 91 @Override 92 public ValueNode canonical(CanonicalizerTool tool) { 93 if (x().isConstant()) { 94 double value = x().asConstant().asDouble(); 95 switch (operation()) { 96 case ABS: 97 return ConstantNode.forDouble(Math.abs(value), graph()); 98 case SQRT: 99 return ConstantNode.forDouble(Math.sqrt(value), graph()); 100 case LOG: 101 return ConstantNode.forDouble(Math.log(value), graph()); 102 case LOG10: 103 return ConstantNode.forDouble(Math.log10(value), graph()); 104 case SIN: 105 return ConstantNode.forDouble(Math.sin(value), graph()); 106 case COS: 107 return ConstantNode.forDouble(Math.cos(value), graph()); 108 case TAN: 109 return ConstantNode.forDouble(Math.tan(value), graph()); 110 default: 111 throw GraalInternalError.shouldNotReachHere(); 112 } 113 } 114 return this; 115 } 116 117 @NodeIntrinsic 118 public static double compute(double value, @ConstantNodeParameter Operation op) { 119 switch (op) { 120 case ABS: 121 return Math.abs(value); 122 case SQRT: 123 return Math.sqrt(value); 124 case LOG: 125 return Math.log(value); 126 case LOG10: 127 return Math.log10(value); 128 case SIN: 129 return Math.sin(value); 130 case COS: 131 return Math.cos(value); 132 case TAN: 133 return Math.tan(value); 134 } 135 throw new GraalInternalError("unknown op %s", op); 136 } 137 }