--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/nodes/profiling/RandomSeedNode.java 2016-12-09 00:49:45.145010836 -0800 @@ -0,0 +1,52 @@ +/* + * 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.nodes.profiling; + +import jdk.vm.ci.meta.Value; + +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1; +import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1; + +import org.graalvm.compiler.core.common.type.StampFactory; +import org.graalvm.compiler.graph.NodeClass; +import org.graalvm.compiler.hotspot.HotSpotLIRGenerator; +import org.graalvm.compiler.nodeinfo.NodeInfo; +import org.graalvm.compiler.nodes.calc.FloatingNode; +import org.graalvm.compiler.nodes.spi.LIRLowerable; +import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; + +@NodeInfo(cycles = CYCLES_1, size = SIZE_1) +public class RandomSeedNode extends FloatingNode implements LIRLowerable { + public static final NodeClass TYPE = NodeClass.create(RandomSeedNode.class); + + public RandomSeedNode() { + super(TYPE, StampFactory.intValue()); + } + + @Override + public void generate(NodeLIRBuilderTool gen) { + Value result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitRandomSeed(); + gen.setResult(this, result); + } +}