Mercurial > hg > truffle
view graal/GraalCompiler/src/com/sun/c1x/lir/LIRMemoryBarrier.java @ 2761:d3398b21faf9
Re-enabled CFG optimization (now only on LIRBlock data structure).
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Sat, 21 May 2011 17:46:54 +0200 |
parents | 16b9a8b5ad39 |
children |
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/* * Copyright (c) 2010, 2010, 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.sun.c1x.lir; import com.sun.cri.bytecode.Bytecodes.*; import com.sun.cri.ci.*; /** * LIR instruction implementing a {@linkplain MemoryBarriers memory barrier}. * * @author Doug Simon */ public class LIRMemoryBarrier extends LIRInstruction { public final int barriers; public LIRMemoryBarrier(int barriers) { super(LIROpcode.Membar, CiValue.IllegalValue, null, false); this.barriers = barriers; } @Override public void emitCode(LIRAssembler masm) { masm.emitMemoryBarriers(barriers); } }