Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/GetObjectAddressNode.java @ 6436:5395ecdfce8a
move monitors into FrameState (fixes subtle issues for tail duplication and other optimizations)
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 25 Sep 2012 17:50:01 +0200 |
parents | 1e1c85d9ca7e |
children | fb66841a0994 |
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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.hotspot.nodes; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; /** * Intrinsification for getting the address of an object. * The code path(s) between a call to {@link #get(Object)} and all uses * of the returned value must be atomic. The only exception to this is * if the usage is not an attempt to dereference the value. */ public class GetObjectAddressNode extends FixedWithNextNode implements LIRLowerable { @Input private ValueNode object; public GetObjectAddressNode(ValueNode obj) { super(StampFactory.forKind(Kind.Long)); this.object = obj; } @SuppressWarnings("unused") @NodeIntrinsic public static long get(Object array) { throw new UnsupportedOperationException(); } @Override public void generate(LIRGeneratorTool gen) { Value obj = gen.newVariable(gen.target().wordKind); gen.emitMove(gen.operand(object), obj); gen.setResult(this, obj); } }