1 /* 2 * Copyright (c) 2016, 2018, 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 24 25 package org.graalvm.compiler.hotspot.amd64; 26 27 import org.graalvm.compiler.api.replacements.Snippet; 28 import org.graalvm.compiler.debug.GraalError; 29 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage; 30 import org.graalvm.compiler.hotspot.meta.HotSpotProviders; 31 import org.graalvm.compiler.hotspot.stubs.SnippetStub; 32 import org.graalvm.compiler.options.OptionValues; 33 import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode; 34 import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode.BinaryOperation; 35 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode; 36 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation; 37 38 /** 39 * Stub called to support {@link Math}. 40 */ 41 public class AMD64MathStub extends SnippetStub { 42 43 public AMD64MathStub(UnaryOperation operation, OptionValues options, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) { 44 super(snippetName(operation), options, providers, linkage); 45 } 46 47 public AMD64MathStub(BinaryOperation operation, OptionValues options, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) { 48 super(snippetName(operation), options, providers, linkage); 49 } 50 51 private static String snippetName(UnaryOperation operation) { 52 switch (operation) { 53 case SIN: 54 return "sin"; 55 case COS: 56 return "cos"; 57 case TAN: 58 return "tan"; 59 case EXP: 60 return "exp"; 61 case LOG: 62 return "log"; 63 case LOG10: 64 return "log10"; 65 default: 66 throw GraalError.shouldNotReachHere("Unknown operation " + operation); 67 } 68 } 69 70 private static String snippetName(BinaryOperation operation) { 71 if (operation == BinaryOperation.POW) { 72 return "pow"; 73 } 74 throw GraalError.shouldNotReachHere("Unknown operation " + operation); 75 } 76 77 @Snippet 78 private static double log(double value) { 79 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.LOG); 80 } 81 82 @Snippet 83 private static double log10(double value) { 84 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.LOG10); 85 } 86 87 @Snippet 88 private static double sin(double value) { 89 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.SIN); 90 } 91 92 @Snippet 93 private static double cos(double value) { 94 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.COS); 95 } 96 97 @Snippet 98 private static double tan(double value) { 99 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.TAN); 100 } 101 102 @Snippet 103 private static double exp(double value) { 104 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.EXP); 105 } 106 107 @Snippet 108 private static double pow(double value1, double value2) { 109 return BinaryMathIntrinsicNode.compute(value1, value2, BinaryOperation.POW); 110 } 111 }