Mercurial > hg > graal-compiler
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectObjectStoreNode.java @ 17328:c9bb0da795d4
Backed out of changeset 17322:655f3e6b467b
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 03 Oct 2014 14:19:58 +0200 |
parents | 655f3e6b467b |
children | 45b45f902bed |
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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.nodeinfo.*; 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. */ @NodeInfo public class DirectObjectStoreNode extends FixedWithNextNode implements Lowerable { @Input ValueNode object; @Input ValueNode value; @Input ValueNode offset; protected final int displacement; protected final LocationIdentity locationIdentity; public static DirectObjectStoreNode create(ValueNode object, int displacement, ValueNode offset, ValueNode value, LocationIdentity locationIdentity) { return USE_GENERATED_NODES ? new DirectObjectStoreNodeGen(object, displacement, offset, value, locationIdentity) : new DirectObjectStoreNode(object, displacement, offset, value, locationIdentity); } protected 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(JavaWriteNode.create(object, value, location, BarrierType.NONE, value.getKind() == Kind.Object, false)); graph().replaceFixedWithFixed(this, write); tool.getLowerer().lower(write, tool); } }