--- /dev/null 2017-03-16 11:03:49.895616831 -0700 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/arraycopy/GenericArrayCopyCallNode.java 2017-11-03 23:57:52.216390225 -0700 @@ -0,0 +1,122 @@ +/* + * Copyright (c) 2014, 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. + */ +//JaCoCo Exclude +package org.graalvm.compiler.hotspot.replacements.arraycopy; + +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN; +import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_UNKNOWN; + +import org.graalvm.compiler.core.common.type.StampFactory; +import org.graalvm.compiler.graph.NodeClass; +import org.graalvm.compiler.hotspot.HotSpotBackend; +import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider; +import org.graalvm.compiler.hotspot.nodes.GetObjectAddressNode; +import org.graalvm.compiler.nodeinfo.InputType; +import org.graalvm.compiler.nodeinfo.NodeInfo; +import org.graalvm.compiler.nodes.StructuredGraph; +import org.graalvm.compiler.nodes.ValueNode; +import org.graalvm.compiler.nodes.calc.IntegerConvertNode; +import org.graalvm.compiler.nodes.extended.ForeignCallNode; +import org.graalvm.compiler.nodes.memory.AbstractMemoryCheckpoint; +import org.graalvm.compiler.nodes.memory.MemoryCheckpoint; +import org.graalvm.compiler.nodes.spi.Lowerable; +import org.graalvm.compiler.nodes.spi.LoweringTool; +import org.graalvm.word.LocationIdentity; + +import jdk.vm.ci.meta.JavaKind; + +@NodeInfo(allowedUsageTypes = {InputType.Memory, InputType.Value}, cycles = CYCLES_UNKNOWN, size = SIZE_UNKNOWN) +public final class GenericArrayCopyCallNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single { + + public static final NodeClass TYPE = NodeClass.create(GenericArrayCopyCallNode.class); + @Input ValueNode src; + @Input ValueNode srcPos; + @Input ValueNode dest; + @Input ValueNode destPos; + @Input ValueNode length; + + protected final HotSpotGraalRuntimeProvider runtime; + + protected GenericArrayCopyCallNode(@InjectedNodeParameter HotSpotGraalRuntimeProvider runtime, ValueNode src, ValueNode srcPos, ValueNode dest, ValueNode destPos, ValueNode length) { + super(TYPE, StampFactory.forKind(JavaKind.Int)); + this.src = src; + this.srcPos = srcPos; + this.dest = dest; + this.destPos = destPos; + this.length = length; + this.runtime = runtime; + } + + public ValueNode getSource() { + return src; + } + + public ValueNode getSourcePosition() { + return srcPos; + } + + public ValueNode getDestination() { + return dest; + } + + public ValueNode getDestinationPosition() { + return destPos; + } + + public ValueNode getLength() { + return length; + } + + @Override + public void lower(LoweringTool tool) { + if (graph().getGuardsStage().areFrameStatesAtDeopts()) { + StructuredGraph graph = graph(); + ValueNode srcAddr = objectAddress(getSource()); + ValueNode destAddr = objectAddress(getDestination()); + ForeignCallNode call = graph.add(new ForeignCallNode(runtime.getHostBackend().getForeignCalls(), HotSpotBackend.GENERIC_ARRAYCOPY, srcAddr, srcPos, destAddr, destPos, length)); + call.setStateAfter(stateAfter()); + graph.replaceFixedWithFixed(this, call); + } + } + + private ValueNode objectAddress(ValueNode obj) { + GetObjectAddressNode result = graph().add(new GetObjectAddressNode(obj)); + graph().addBeforeFixed(this, result); + return result; + } + + private ValueNode wordValue(ValueNode value) { + if (value.stamp().getStackKind() != runtime.getTarget().wordJavaKind) { + return IntegerConvertNode.convert(value, StampFactory.forKind(runtime.getTarget().wordJavaKind), graph()); + } + return value; + } + + @Override + public LocationIdentity getLocationIdentity() { + return LocationIdentity.any(); + } + + @NodeIntrinsic + public static native int genericArraycopy(Object src, int srcPos, Object dest, int destPos, int length); +}