Mercurial > hg > graal-compiler
view graal/GraalCompiler/src/com/sun/c1x/ir/MonitorExit.java @ 2653:7c8ad40c1f88
No need for stateAfter on volatile field loads.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 11 May 2011 15:11:33 +0200 |
parents | 569228710be8 |
children | bd17ac598c6e |
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/* * Copyright (c) 2009, 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.sun.c1x.ir; import com.oracle.graal.graph.*; import com.sun.c1x.debug.*; /** * The {@code MonitorExit} instruction represents a monitor release. */ public final class MonitorExit extends AccessMonitor { private static final int INPUT_COUNT = 0; private static final int SUCCESSOR_COUNT = 0; /** * Creates a new MonitorExit instruction. * * @param object the instruction produces the object value * @param lockAddress the address of the on-stack lock object or {@code null} if the runtime does not place locks on the stack * @param lockNumber the number of the lock * @param stateBefore the state after executing this instruction * @param graph */ public MonitorExit(Value object, Value lockAddress, int lockNumber, Graph graph) { super(object, lockAddress, lockNumber, INPUT_COUNT, SUCCESSOR_COUNT, graph); } @Override public void accept(ValueVisitor v) { v.visitMonitorExit(this); } @Override public void print(LogStream out) { out.print("exit monitor[").print(lockNumber).print("](").print(object()).print(')'); } }