src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64MathStub.java
/*
* Copyright (c) 2016, 2018, 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.
*
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package org.graalvm.compiler.hotspot.amd64;
import org.graalvm.compiler.api.replacements.Snippet;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage;
import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
import org.graalvm.compiler.hotspot.stubs.SnippetStub;
import org.graalvm.compiler.options.OptionValues;
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(UnaryOperation operation, OptionValues options, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) {
super(snippetName(operation), options, providers, linkage);
}
public AMD64MathStub(BinaryOperation operation, OptionValues options, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) {
super(snippetName(operation), options, providers, linkage);
}
private static String snippetName(UnaryOperation operation) {
switch (operation) {
case SIN:
return "sin";
case COS:
return "cos";
case TAN:
return "tan";
case EXP:
return "exp";
case LOG:
return "log";
case LOG10:
return "log10";
default:
throw GraalError.shouldNotReachHere("Unknown operation " + operation);
}
}
private static String snippetName(BinaryOperation operation) {
if (operation == BinaryOperation.POW) {
return "pow";
}
throw GraalError.shouldNotReachHere("Unknown operation " + operation);
}
@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);
}
}