Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/MembarNode.java @ 5728:956217932b8c
moved classes from com.oracle.max.cri.util to com.oracle.max.crituils
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 28 Jun 2012 14:15:00 +0200 |
parents | 141817e206d4 |
children | 6b56cf2bf7da |
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/* * Copyright (c) 2011, 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.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; import com.oracle.max.criutils.*; /** * Creates a memory barrier. */ public class MembarNode extends AbstractStateSplit implements StateSplit, LIRLowerable, MemoryCheckpoint { private final int barriers; /** * @param barriers a mask of the barrier constants defined in {@link MemoryBarriers} */ public MembarNode(int barriers) { super(StampFactory.forVoid()); this.barriers = barriers; } @Override public void generate(LIRGeneratorTool generator) { generator.emitMembar(barriers); } @SuppressWarnings("unused") @NodeIntrinsic public static void get(@ConstantNodeParameter int barriers) { throw new UnsupportedOperationException("This method may only be compiled with the Graal compiler"); } }