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annotate graal/GraalCompiler/src/com/sun/c1x/ir/Deoptimize.java @ 2677:0ea5f12e873a

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use com.oracle.max.asm project for assembler
author Christian.Wimmer@Oracle.com
date Fri, 13 May 2011 17:09:20 -0700
parents d8601d421b96
children 7b7dbe19fafb
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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 import com.sun.c1x.value.*;
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28 import com.sun.cri.ci.*;
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29
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30
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31 /**
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32 *
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33 */
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34 public class Deoptimize extends Instruction {
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35
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36 private static final int INPUT_COUNT = 1;
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37 private static final int SUCCESSOR_COUNT = 0;
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38 private static final int INPUT_STATE_BEFORE = 0;
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39
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40 /**
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41 * @param kind
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42 * @param inputCount
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43 * @param successorCount
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44 * @param graph
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45 */
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46 public Deoptimize(Graph graph, FrameState stateBefore) {
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47 super(CiKind.Illegal, INPUT_COUNT, SUCCESSOR_COUNT, graph);
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48 this.setStateBefore(stateBefore);
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49 }
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50
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51 @Override
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52 protected int inputCount() {
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53 return super.inputCount() + INPUT_COUNT;
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54 }
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55
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56 @Override
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57 protected int successorCount() {
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58 return super.successorCount() + SUCCESSOR_COUNT;
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59 }
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60
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61 /**
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62 * The state for this instruction.
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63 */
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64 public FrameState stateBefore() {
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65 return (FrameState) inputs().get(super.inputCount() + INPUT_STATE_BEFORE);
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66 }
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67
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68 public FrameState setStateBefore(FrameState n) {
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69 return (FrameState) inputs().set(super.inputCount() + INPUT_STATE_BEFORE, n);
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70 }
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71
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72 @Override
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73 public void accept(ValueVisitor v) {
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74 v.visitDeoptimize(this);
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75 }
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76
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77 @Override
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78 public void print(LogStream out) {
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79 out.print("deoptimize");
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80 }
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81
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82 }