Mercurial > hg > graal-compiler
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectObjectStoreNode.java @ 15262:cd51b1253c4c
replaced the link between a HotSpotResolvedJavaMethod and a SpeculationLog with a ClassValue based mechanism (GRAAL-727)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 22 Apr 2014 15:46:06 +0200 |
parents | 882f4cb7cfcf |
children | 5d468add216f |
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/* * Copyright (c) 2012, 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 com.oracle.graal.replacements.nodes; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.HeapAccess.BarrierType; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; /** * A special purpose store node that differs from {@link UnsafeStoreNode} in that it is not a * {@link StateSplit} and does not include a write barrier. */ public class DirectObjectStoreNode extends FixedWithNextNode implements Lowerable { @Input private ValueNode object; @Input private ValueNode value; @Input private ValueNode offset; private final int displacement; private final LocationIdentity locationIdentity; public DirectObjectStoreNode(ValueNode object, int displacement, ValueNode offset, ValueNode value, LocationIdentity locationIdentity) { super(StampFactory.forVoid()); this.object = object; this.value = value; this.offset = offset; this.displacement = displacement; this.locationIdentity = locationIdentity; } @NodeIntrinsic public static native void storeObject(Object obj, @ConstantNodeParameter int displacement, long offset, Object value, @ConstantNodeParameter LocationIdentity locationIdentity); @NodeIntrinsic public static native void storeLong(Object obj, @ConstantNodeParameter int displacement, long offset, long value, @ConstantNodeParameter LocationIdentity locationIdenity); @Override public void lower(LoweringTool tool) { IndexedLocationNode location = IndexedLocationNode.create(locationIdentity, value.getKind(), displacement, offset, graph(), 1); JavaWriteNode write = graph().add(new JavaWriteNode(object, value, location, BarrierType.NONE, value.getKind() == Kind.Object, false)); graph().replaceFixedWithFixed(this, write); tool.getLowerer().lower(write, tool); } }