--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64MathStub.java 2016-12-07 13:49:41.487973588 -0800 @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package org.graalvm.compiler.hotspot.amd64; + +import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_COS_STUB; +import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_EXP_STUB; +import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG10_STUB; +import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG_STUB; +import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_POW_STUB; +import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_SIN_STUB; +import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_TAN_STUB; + +import org.graalvm.compiler.api.replacements.Snippet; +import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor; +import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage; +import org.graalvm.compiler.hotspot.meta.HotSpotProviders; +import org.graalvm.compiler.hotspot.stubs.SnippetStub; +import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode; +import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode.BinaryOperation; +import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode; +import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation; + +/** + * Stub called to support {@link Math}. + */ +public class AMD64MathStub extends SnippetStub { + + public AMD64MathStub(ForeignCallDescriptor descriptor, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) { + super(snippetName(descriptor), providers, linkage); + } + + private static String snippetName(ForeignCallDescriptor descriptor) { + if (descriptor == ARITHMETIC_LOG_STUB) { + return "log"; + } + if (descriptor == ARITHMETIC_LOG10_STUB) { + return "log10"; + } + if (descriptor == ARITHMETIC_SIN_STUB) { + return "sin"; + } + if (descriptor == ARITHMETIC_COS_STUB) { + return "cos"; + } + if (descriptor == ARITHMETIC_TAN_STUB) { + return "tan"; + } + if (descriptor == ARITHMETIC_EXP_STUB) { + return "exp"; + } + if (descriptor == ARITHMETIC_POW_STUB) { + return "pow"; + } + throw new InternalError("Unknown operation " + descriptor); + } + + @Snippet + private static double log(double value) { + return UnaryMathIntrinsicNode.compute(value, UnaryOperation.LOG); + } + + @Snippet + private static double log10(double value) { + return UnaryMathIntrinsicNode.compute(value, UnaryOperation.LOG10); + } + + @Snippet + private static double sin(double value) { + return UnaryMathIntrinsicNode.compute(value, UnaryOperation.SIN); + } + + @Snippet + private static double cos(double value) { + return UnaryMathIntrinsicNode.compute(value, UnaryOperation.COS); + } + + @Snippet + private static double tan(double value) { + return UnaryMathIntrinsicNode.compute(value, UnaryOperation.TAN); + } + + @Snippet + private static double exp(double value) { + return UnaryMathIntrinsicNode.compute(value, UnaryOperation.EXP); + } + + @Snippet + private static double pow(double value1, double value2) { + return BinaryMathIntrinsicNode.compute(value1, value2, BinaryOperation.POW); + } +}