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annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/cisc/x86/X86NumericalParameter.java @ 4142:bc8527f3071c

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Adjust code base to new level of warnings.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 18 Dec 2011 05:24:06 +0100
parents e233f5660da4
children
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1 /*
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2 * Copyright (c) 2007, 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.max.asm.gen.cisc.x86;
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24
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25 import java.util.*;
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26
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27 import com.sun.max.asm.*;
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28 import com.sun.max.asm.gen.*;
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29 import com.sun.max.asm.gen.cisc.*;
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30 import com.sun.max.lang.*;
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31 import com.sun.max.program.*;
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32
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33 /**
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34 */
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35 public abstract class X86NumericalParameter extends X86Parameter implements AppendedParameter, ImmediateParameter {
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36
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37 private final WordWidth width;
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38
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39 public X86NumericalParameter(X86Operand.Designation designation, WordWidth width) {
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40 super(designation, ParameterPlace.APPEND);
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41 this.width = width;
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42 }
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43
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44 public WordWidth width() {
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45 return width;
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46 }
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47
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48 public String valueString() {
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49 return variableName();
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50 }
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51
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52 public Class type() {
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53 return width().canonicalPrimitiveType;
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54 }
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55
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56 public Iterable< ? extends ImmediateArgument> getLegalTestArguments() {
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57 try {
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58 switch (width) {
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59 case BITS_8:
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60 return Static.createSequence(Immediate8Argument.class, byte.class, Byte.MIN_VALUE, (byte) -1, (byte) 2, Byte.MAX_VALUE);
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61 case BITS_16:
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62 return Static.createSequence(Immediate16Argument.class, short.class, Short.MIN_VALUE, (short) (Byte.MIN_VALUE - 1), (short) (Byte.MAX_VALUE + 1), Short.MAX_VALUE);
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63 case BITS_32:
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64 return Static.createSequence(Immediate32Argument.class, int.class, Integer.MIN_VALUE, Short.MIN_VALUE - 1, Short.MAX_VALUE + 1, Integer.MAX_VALUE);
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65 case BITS_64:
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66 return Static.createSequence(Immediate64Argument.class, long.class, Long.MIN_VALUE, Integer.MIN_VALUE - 1L, Integer.MAX_VALUE + 1L, Long.MAX_VALUE);
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67 default:
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68 throw ProgramError.unexpected();
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69 }
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70 } catch (Throwable throwable) {
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71 throw ProgramError.unexpected("could not generate test argument for: " + this, throwable);
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72 }
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73 }
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74
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75 public Iterable<? extends Argument> getIllegalTestArguments() {
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76 return Collections.emptyList();
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77 }
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78
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79 public Argument getExampleArgument() {
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80 switch (width) {
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81 case BITS_8:
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82 return new Immediate8Argument((byte) 0x12);
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83 case BITS_16:
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84 return new Immediate16Argument((short) 0x1234);
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85 case BITS_32:
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86 return new Immediate32Argument(0x12345678);
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87 case BITS_64:
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88 return new Immediate64Argument(0x123456789ABCDEL);
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89 default:
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90 throw ProgramError.unexpected();
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91 }
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92 }
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93
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94 @Override
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95 public String toString() {
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96 return getClass().getSimpleName();
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97 }
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98 }