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 static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_COS_STUB; 28 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_EXP_STUB; 29 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG10_STUB; 30 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG_STUB; 31 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_POW_STUB; 32 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_SIN_STUB; 33 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_TAN_STUB; 34 35 import org.graalvm.compiler.api.replacements.Snippet; 36 import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor; 37 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage; 38 import org.graalvm.compiler.hotspot.meta.HotSpotProviders; 39 import org.graalvm.compiler.hotspot.stubs.SnippetStub; 40 import org.graalvm.compiler.options.OptionValues; 41 import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode; 42 import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode.BinaryOperation; 43 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode; 44 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation; 45 46 /** 47 * Stub called to support {@link Math}. 48 */ 49 public class AMD64MathStub extends SnippetStub { 50 51 public AMD64MathStub(ForeignCallDescriptor descriptor, OptionValues options, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) { 52 super(snippetName(descriptor), options, providers, linkage); 53 } 54 55 private static String snippetName(ForeignCallDescriptor descriptor) { 56 if (descriptor == ARITHMETIC_LOG_STUB) { 57 return "log"; 58 } 59 if (descriptor == ARITHMETIC_LOG10_STUB) { 60 return "log10"; 61 } 62 if (descriptor == ARITHMETIC_SIN_STUB) { 63 return "sin"; 64 } 65 if (descriptor == ARITHMETIC_COS_STUB) { 66 return "cos"; 67 } 68 if (descriptor == ARITHMETIC_TAN_STUB) { 69 return "tan"; 70 } 71 if (descriptor == ARITHMETIC_EXP_STUB) { 72 return "exp"; 73 } 74 if (descriptor == ARITHMETIC_POW_STUB) { 75 return "pow"; 76 } 77 throw new InternalError("Unknown operation " + descriptor); 78 } 79 80 @Snippet 81 private static double log(double value) { 82 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.LOG); 83 } 84 85 @Snippet 86 private static double log10(double value) { 87 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.LOG10); 88 } 89 90 @Snippet 91 private static double sin(double value) { 92 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.SIN); 93 } 94 95 @Snippet 96 private static double cos(double value) { 97 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.COS); 98 } 99 100 @Snippet 101 private static double tan(double value) { 102 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.TAN); 103 } 104 105 @Snippet 106 private static double exp(double value) { 107 return UnaryMathIntrinsicNode.compute(value, UnaryOperation.EXP); 108 } 109 110 @Snippet 111 private static double pow(double value1, double value2) { 112 return BinaryMathIntrinsicNode.compute(value1, value2, BinaryOperation.POW); 113 } 114 }