| /* |
| * Copyright (c) 2015, 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.replacements.aarch64; |
| |
| import org.graalvm.compiler.bytecode.BytecodeProvider; |
| import org.graalvm.compiler.core.common.spi.ForeignCallsProvider; |
| import org.graalvm.compiler.nodes.ValueNode; |
| import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins; |
| import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Registration; |
| import org.graalvm.compiler.replacements.nodes.BitScanForwardNode; |
| |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| public class AArch64GraphBuilderPlugins { |
| |
| public static void register(Plugins plugins, ForeignCallsProvider foreignCalls, BytecodeProvider bytecodeProvider) { |
| InvocationPlugins invocationPlugins = plugins.getInvocationPlugins(); |
| invocationPlugins.defer(new Runnable() { |
| @Override |
| public void run() { |
| registerIntegerLongPlugins(invocationPlugins, AArch64IntegerSubstitutions.class, JavaKind.Int, bytecodeProvider); |
| registerIntegerLongPlugins(invocationPlugins, AArch64LongSubstitutions.class, JavaKind.Long, bytecodeProvider); |
| registerMathPlugins(invocationPlugins, foreignCalls); |
| } |
| }); |
| } |
| |
| private static void registerIntegerLongPlugins(InvocationPlugins plugins, Class<?> substituteDeclaringClass, JavaKind kind, BytecodeProvider bytecodeProvider) { |
| Class<?> declaringClass = kind.toBoxedJavaClass(); |
| Class<?> type = kind.toJavaClass(); |
| Registration r = new Registration(plugins, declaringClass, bytecodeProvider); |
| r.register1("numberOfLeadingZeros", type, new InvocationPlugin() { |
| @Override |
| public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { |
| ValueNode folded = AArch64CountLeadingZerosNode.tryFold(value); |
| if (folded != null) { |
| b.addPush(JavaKind.Int, folded); |
| } else { |
| b.addPush(JavaKind.Int, new AArch64CountLeadingZerosNode(value)); |
| } |
| return true; |
| } |
| }); |
| r.register1("numberOfTrailingZeros", type, new InvocationPlugin() { |
| @Override |
| public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) { |
| ValueNode folded = BitScanForwardNode.tryFold(value); |
| if (folded != null) { |
| b.addPush(JavaKind.Int, folded); |
| } else { |
| b.addPush(JavaKind.Int, new BitScanForwardNode(value)); |
| } |
| return true; |
| } |
| }); |
| r.registerMethodSubstitution(substituteDeclaringClass, "bitCount", type); |
| } |
| |
| @SuppressWarnings("unused") |
| private static void registerMathPlugins(InvocationPlugins plugins, ForeignCallsProvider foreignCalls) { |
| // Registration r = new Registration(plugins, Math.class); |
| // r.register1("sin", Double.TYPE, new ForeignCallPlugin(foreignCalls, ARITHMETIC_SIN)); |
| // r.register1("cos", Double.TYPE, new ForeignCallPlugin(foreignCalls, ARITHMETIC_COS)); |
| // r.register1("tan", Double.TYPE, new ForeignCallPlugin(foreignCalls, ARITHMETIC_TAN)); |
| // r.register1("exp", Double.TYPE, new ForeignCallPlugin(foreignCalls, ARITHMETIC_EXP)); |
| // r.register1("log", Double.TYPE, new ForeignCallPlugin(foreignCalls, ARITHMETIC_LOG)); |
| // r.register1("log10", Double.TYPE, new ForeignCallPlugin(foreignCalls, ARITHMETIC_LOG10)); |
| // r.register2("pow", Double.TYPE, Double.TYPE, new ForeignCallPlugin(foreignCalls, |
| // ARITHMETIC_POW)); |
| } |
| } |