Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/JavaWriteNode.java @ 21556:48c1ebd24120
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 27 May 2015 00:36:16 +0200 |
parents | cba35d171cd1 |
children | a858c5f56d8a |
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/* * Copyright (c) 2014, 2015, 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.nodes.extended; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.memory.*; import com.oracle.graal.nodes.spi.*; import com.oracle.jvmci.meta.*; /** * Write a raw memory location according to Java field or array write semantics. It will perform * write barriers, implicit conversions and optionally oop compression. */ @NodeInfo public final class JavaWriteNode extends AbstractWriteNode implements Lowerable, StateSplit, MemoryAccess, MemoryCheckpoint.Single { public static final NodeClass<JavaWriteNode> TYPE = NodeClass.create(JavaWriteNode.class); protected final Kind writeKind; protected final boolean compressible; public JavaWriteNode(Kind writeKind, ValueNode object, ValueNode value, ValueNode location, BarrierType barrierType, boolean compressible, boolean initialization) { super(TYPE, object, value, location, barrierType, initialization); this.writeKind = writeKind; this.compressible = compressible; } public void lower(LoweringTool tool) { tool.getLowerer().lower(this, tool); } public boolean canNullCheck() { return true; } public Kind getWriteKind() { return writeKind; } public boolean isCompressible() { return compressible; } }