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annotate graal/GraalCompiler/src/com/sun/c1x/ir/MonitorAddress.java @ 2603:01c5c0443158

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new node layout: Phi
author Lukas Stadler <lukas.stadler@jku.at>
date Fri, 06 May 2011 11:18:15 +0200
parents 0c6564c254af
children 5526d82388be
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1 /*
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2 * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.c1x.ir;
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24
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25 import com.oracle.graal.graph.*;
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26 import com.sun.c1x.debug.*;
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27 import com.sun.cri.ci.*;
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28
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29 /**
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30 * Instruction that is used to refer to the address of an on-stack monitor.
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31 */
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32 public final class MonitorAddress extends Instruction {
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33
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34 private static final int INPUT_COUNT = 0;
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35 private static final int SUCCESSOR_COUNT = 0;
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36
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37 private int monitor;
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38
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39 public MonitorAddress(int monitor, Graph graph) {
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40 super(CiKind.Word, INPUT_COUNT, SUCCESSOR_COUNT, graph);
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41 this.monitor = monitor;
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42 setFlag(Flag.NonNull);
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43 }
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44
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45 @Override
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46 public void accept(ValueVisitor v) {
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47 v.visitMonitorAddress(this);
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48 }
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49
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50 public int monitor() {
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51 return monitor;
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52 }
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53
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54 @Override
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55 public void print(LogStream out) {
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56 out.print("monitor_address (").print(monitor()).print(")");
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57 }
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58 }