Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/ir/MonitorExit.java @ 2634:4dd0573f510b
FrameState fixes.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 11 May 2011 10:52:37 +0200 |
parents | 569228710be8 |
children | bd17ac598c6e |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 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 |
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28 /** |
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29 * The {@code MonitorExit} instruction represents a monitor release. |
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30 */ |
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31 public final class MonitorExit extends AccessMonitor { |
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32 |
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33 private static final int INPUT_COUNT = 0; |
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34 private static final int SUCCESSOR_COUNT = 0; |
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35 |
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36 /** |
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37 * Creates a new MonitorExit instruction. |
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38 * |
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39 * @param object the instruction produces the object value |
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40 * @param lockAddress the address of the on-stack lock object or {@code null} if the runtime does not place locks on the stack |
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41 * @param lockNumber the number of the lock |
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Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
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42 * @param stateBefore the state after executing this instruction |
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43 * @param graph |
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44 */ |
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45 public MonitorExit(Value object, Value lockAddress, int lockNumber, Graph graph) { |
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46 super(object, lockAddress, lockNumber, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
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47 } |
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48 |
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49 @Override |
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50 public void accept(ValueVisitor v) { |
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51 v.visitMonitorExit(this); |
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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("exit monitor[").print(lockNumber).print("](").print(object()).print(')'); |
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57 } |
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58 } |