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annotate graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCAddressValue.java @ 13367:413040ab993e

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remove some usages of HashSet
author Bernhard Urban <bernhard.urban@jku.at>
date Tue, 17 Dec 2013 16:00:57 +0100
parents 5a9d68c3a7d7
children 64dcb92ee75a
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1 /*
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2 * Copyright (c) 2013, 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.oracle.graal.lir.sparc;
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24
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25 import static com.oracle.graal.api.code.ValueUtil.*;
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26 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
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27
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28 import com.oracle.graal.api.code.*;
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29 import com.oracle.graal.api.meta.*;
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30 import com.oracle.graal.asm.sparc.*;
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31 import com.oracle.graal.lir.*;
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32 import com.oracle.graal.lir.LIRInstruction.*;
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33
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34 public class SPARCAddressValue extends CompositeValue {
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35
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36 private static final long serialVersionUID = -3583286416638228207L;
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37
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38 @Component({REG, OperandFlag.ILLEGAL}) protected AllocatableValue base;
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39 @Component({REG, OperandFlag.ILLEGAL}) protected AllocatableValue index;
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40 protected final int displacement;
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41
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42 public SPARCAddressValue(PlatformKind kind, AllocatableValue base, int displacement) {
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43 this(kind, base, Value.ILLEGAL, displacement);
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44 }
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45
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46 public SPARCAddressValue(PlatformKind kind, AllocatableValue base, AllocatableValue index, int displacement) {
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47 super(kind);
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48 assert isIllegal(index) || displacement == 0;
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49 this.base = base;
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50 this.index = index;
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51 this.displacement = displacement;
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52 }
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53
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54 private static Register toRegister(AllocatableValue value) {
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55 if (isIllegal(value)) {
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56 return Register.None;
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57 } else {
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58 RegisterValue reg = (RegisterValue) value;
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59 return reg.getRegister();
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60 }
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61 }
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62
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63 public SPARCAddress toAddress() {
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64 if (isLegal(index)) {
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65 return new SPARCAddress(toRegister(base), toRegister(index));
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66 } else {
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67 return new SPARCAddress(toRegister(base), displacement);
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68 }
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69 }
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70
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71 @Override
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72 public String toString() {
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73 StringBuilder s = new StringBuilder("[");
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74 String sep = "";
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75 if (isLegal(base)) {
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76 s.append(base);
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77 sep = " + ";
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78 }
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79 if (isLegal(index)) {
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80 s.append(sep).append(index);
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81 sep = " + ";
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82 } else {
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83 if (displacement < 0) {
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84 s.append(" - ").append(-displacement);
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85 } else if (displacement > 0) {
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86 s.append(sep).append(displacement);
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87 }
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88 }
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89 s.append("]");
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90 return s.toString();
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91 }
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92
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93 @Override
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94 public boolean equals(Object obj) {
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95 if (obj instanceof SPARCAddressValue) {
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96 SPARCAddressValue addr = (SPARCAddressValue) obj;
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97 return getPlatformKind() == addr.getPlatformKind() && displacement == addr.displacement && base.equals(addr.base) && index.equals(addr.index);
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98 }
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99 return false;
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100 }
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101
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102 @Override
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103 public int hashCode() {
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104 return base.hashCode() ^ index.hashCode() ^ (displacement << 4) ^ getPlatformKind().hashCode();
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105 }
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106 }