1 /* 2 * Copyright (c) 2016, 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 org.graalvm.compiler.hotspot.amd64; 24 25 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_COS_STUB; 26 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_EXP_STUB; 27 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG10_STUB; 28 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG_STUB; 29 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_POW_STUB; 30 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_SIN_STUB; 31 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_TAN_STUB; 32 33 import org.graalvm.compiler.api.replacements.Snippet; 34 import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor; 35 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage; 36 import org.graalvm.compiler.hotspot.meta.HotSpotProviders; 37 import org.graalvm.compiler.hotspot.stubs.SnippetStub; 38 import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode; 39 import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode.BinaryOperation; 40 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode; 41 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation; 42 43 /** 44 * Stub called to support {@link Math}. 45 */ 46 public class AMD64MathStub extends SnippetStub { 47 48 public AMD64MathStub(ForeignCallDescriptor descriptor, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) { 49 super(snippetName(descriptor), providers, linkage); 50 } 51 52 private static String snippetName(ForeignCallDescriptor descriptor) { 53 if (descriptor == ARITHMETIC_LOG_STUB) { 54 return "log"; 55 } 56 if (descriptor == ARITHMETIC_LOG10_STUB) { 57 return "log10"; 58 } 59 if (descriptor == ARITHMETIC_SIN_STUB) { 60 return "sin"; 61 } 62 if (descriptor == ARITHMETIC_COS_STUB) { 63 return "cos"; 64 } 65 if (descriptor == ARITHMETIC_TAN_STUB) { 66 return "tan"; 67 } 68 if (descriptor == ARITHMETIC_EXP_STUB) { 69 return "exp"; 70 } 71 if (descriptor == ARITHMETIC_POW_STUB) { 72 return "pow"; 73 } 74 throw new InternalError("Unknown operation " + descriptor); 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 }