1 /* 2 * Copyright (c) 2013, 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; 26 27 import org.graalvm.compiler.api.replacements.SnippetReflectionProvider; 28 import org.graalvm.compiler.bytecode.BytecodeProvider; 29 import org.graalvm.compiler.hotspot.meta.HotSpotWordOperationPlugin; 30 import org.graalvm.compiler.hotspot.word.HotSpotOperation; 31 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderPlugin; 32 import org.graalvm.compiler.options.OptionValues; 33 import org.graalvm.compiler.phases.util.Providers; 34 import org.graalvm.compiler.printer.GraalDebugHandlersFactory; 35 import org.graalvm.compiler.replacements.ReplacementsImpl; 36 37 import jdk.vm.ci.code.TargetDescription; 38 import jdk.vm.ci.meta.ResolvedJavaMethod; 39 40 /** 41 * Filters certain method substitutions based on whether there is underlying hardware support for 42 * them. 43 */ 44 public class HotSpotReplacementsImpl extends ReplacementsImpl { 45 public HotSpotReplacementsImpl(OptionValues options, Providers providers, SnippetReflectionProvider snippetReflection, BytecodeProvider bytecodeProvider, TargetDescription target) { 46 super(options, new GraalDebugHandlersFactory(snippetReflection), providers, snippetReflection, bytecodeProvider, target); 47 } 48 49 @Override 50 public Class<? extends GraphBuilderPlugin> getIntrinsifyingPlugin(ResolvedJavaMethod method) { 51 return method.getAnnotation(HotSpotOperation.class) != null ? HotSpotWordOperationPlugin.class : super.getIntrinsifyingPlugin(method); 52 } 53 54 private boolean snippetRegistrationClosed; 55 56 @Override 57 public void registerSnippet(ResolvedJavaMethod method, ResolvedJavaMethod original, Object receiver, boolean trackNodeSourcePosition) { 58 assert !snippetRegistrationClosed; 59 super.registerSnippet(method, original, receiver, trackNodeSourcePosition); 60 } 61 62 @Override 63 public void closeSnippetRegistration() { 64 snippetRegistrationClosed = true; 65 } 66 }