Mercurial > hg > truffle
annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiConstant.java @ 4558:3706975946e4
Make graph dumping a bit more robust when there is no method, enable debug in the startCompiler method, add context and scope for snippets installation
Made IGV display graphs even if some edges are problematic
When schedule failed don't use it
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Fri, 10 Feb 2012 02:22:23 +0100 |
parents | aaac4894175c |
children | 6ec0857cdf46 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 2012, 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.max.cri.ci; |
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24 |
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25 /** |
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26 * Represents a constant (boxed) value, such as an integer, floating point number, or object reference, |
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27 * within the compiler and across the compiler/runtime interface. Exports a set of {@code CiConstant} |
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28 * instances that represent frequently used constant values, such as {@link #ZERO}. |
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29 */ |
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30 public final class CiConstant extends CiValue { |
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31 private static final long serialVersionUID = -6355452536852663986L; |
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32 |
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33 private static final CiConstant[] INT_CONSTANT_CACHE = new CiConstant[100]; |
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34 static { |
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35 for (int i = 0; i < INT_CONSTANT_CACHE.length; ++i) { |
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36 INT_CONSTANT_CACHE[i] = new CiConstant(CiKind.Int, i); |
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37 } |
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38 } |
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39 |
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40 public static final CiConstant NULL_OBJECT = new CiConstant(CiKind.Object, null); |
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41 public static final CiConstant INT_MINUS_1 = new CiConstant(CiKind.Int, -1); |
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42 public static final CiConstant INT_0 = forInt(0); |
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43 public static final CiConstant INT_1 = forInt(1); |
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44 public static final CiConstant INT_2 = forInt(2); |
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45 public static final CiConstant INT_3 = forInt(3); |
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46 public static final CiConstant INT_4 = forInt(4); |
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47 public static final CiConstant INT_5 = forInt(5); |
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48 public static final CiConstant LONG_0 = new CiConstant(CiKind.Long, 0L); |
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49 public static final CiConstant LONG_1 = new CiConstant(CiKind.Long, 1L); |
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50 public static final CiConstant FLOAT_0 = new CiConstant(CiKind.Float, Float.floatToRawIntBits(0.0F)); |
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51 public static final CiConstant FLOAT_1 = new CiConstant(CiKind.Float, Float.floatToRawIntBits(1.0F)); |
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52 public static final CiConstant FLOAT_2 = new CiConstant(CiKind.Float, Float.floatToRawIntBits(2.0F)); |
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53 public static final CiConstant DOUBLE_0 = new CiConstant(CiKind.Double, Double.doubleToRawLongBits(0.0D)); |
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54 public static final CiConstant DOUBLE_1 = new CiConstant(CiKind.Double, Double.doubleToRawLongBits(1.0D)); |
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55 public static final CiConstant TRUE = new CiConstant(CiKind.Boolean, 1L); |
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56 public static final CiConstant FALSE = new CiConstant(CiKind.Boolean, 0L); |
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57 |
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58 static { |
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59 assert NULL_OBJECT.isDefaultValue(); |
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60 assert INT_0.isDefaultValue(); |
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61 assert FLOAT_0.isDefaultValue(); |
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62 assert DOUBLE_0.isDefaultValue(); |
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63 assert FALSE.isDefaultValue(); |
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64 |
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65 // Ensure difference between 0.0f and -0.0f is preserved |
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66 assert FLOAT_0 != forFloat(-0.0F); |
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67 assert !forFloat(-0.0F).isDefaultValue(); |
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68 |
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69 // Ensure difference between 0.0d and -0.0d is preserved |
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70 assert DOUBLE_0 != forDouble(-0.0d); |
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71 assert !forDouble(-0.0D).isDefaultValue(); |
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72 |
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73 assert NULL_OBJECT.isNull(); |
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74 } |
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75 |
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76 /** |
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77 * The boxed object value. This is ignored iff {@code !kind.isObject()}. |
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78 */ |
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79 private final Object object; |
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80 |
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81 /** |
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82 * The boxed primitive value as a {@code long}. This is ignored iff {@code kind.isObject()}. |
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83 * For {@code float} and {@code double} values, this value is the result of |
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84 * {@link Float#floatToRawIntBits(float)} and {@link Double#doubleToRawLongBits(double)} respectively. |
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85 */ |
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86 private final long primitive; |
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87 |
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88 /** |
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89 * Create a new constant represented by the specified object reference. |
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90 * |
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91 * @param kind the type of this constant |
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92 * @param object the value of this constant |
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93 */ |
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94 private CiConstant(CiKind kind, Object object) { |
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95 super(kind); |
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96 this.object = object; |
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97 this.primitive = 0L; |
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98 } |
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99 |
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100 /** |
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101 * Create a new constant represented by the specified primitive. |
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102 * |
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103 * @param kind the type of this constant |
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104 * @param primitive the value of this constant |
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105 */ |
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106 public CiConstant(CiKind kind, long primitive) { |
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107 super(kind); |
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108 this.object = null; |
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109 this.primitive = primitive; |
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110 } |
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111 |
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112 /** |
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113 * Checks whether this constant is non-null. |
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114 * @return {@code true} if this constant is a primitive, or an object constant that is not null |
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115 */ |
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116 public boolean isNonNull() { |
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117 return !kind.isObject() || object != null; |
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118 } |
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119 |
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120 /** |
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121 * Checks whether this constant is null. |
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122 * @return {@code true} if this constant is the null constant |
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123 */ |
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124 public boolean isNull() { |
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125 return kind.isObject() && object == null; |
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126 } |
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127 |
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128 @Override |
4169
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129 public String toString() { |
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130 return kind.javaName + "[" + kind.format(boxedValue()) + (kind != CiKind.Object ? "|0x" + Long.toHexString(primitive) : "") + "]"; |
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131 } |
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132 |
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133 /** |
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134 * Gets this constant's value as a string. |
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135 * |
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136 * @return this constant's value as a string |
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137 */ |
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138 public String valueString() { |
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139 if (kind.isPrimitive()) { |
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140 return boxedValue().toString(); |
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141 } else if (kind.isObject()) { |
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142 if (object == null) { |
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143 return "null"; |
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144 } else if (object instanceof String) { |
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145 return "\"" + object + "\""; |
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146 } else { |
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147 return "<object: " + kind.format(object) + ">"; |
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148 } |
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149 } else if (kind.isJsr()) { |
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150 return "bci:" + boxedValue().toString(); |
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151 } else { |
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152 return "???"; |
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153 } |
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154 } |
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155 |
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156 /** |
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157 * Returns the value of this constant as a boxed Java value. |
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158 * @return the value of this constant |
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159 */ |
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160 public Object boxedValue() { |
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161 // Checkstyle: stop |
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162 switch (kind) { |
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163 case Byte: return (byte) asInt(); |
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164 case Boolean: return asInt() == 0 ? Boolean.FALSE : Boolean.TRUE; |
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165 case Short: return (short) asInt(); |
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166 case Char: return (char) asInt(); |
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167 case Jsr: return (int) primitive; |
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168 case Int: return asInt(); |
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169 case Long: return asLong(); |
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170 case Float: return asFloat(); |
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171 case Double: return asDouble(); |
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172 case Object: return object; |
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173 } |
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174 // Checkstyle: resume |
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175 throw new IllegalArgumentException(); |
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176 } |
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177 |
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178 private boolean valueEqual(CiConstant other, boolean ignoreKind) { |
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179 // must have equivalent kinds to be equal |
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180 if (!ignoreKind && kind != other.kind) { |
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181 return false; |
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182 } |
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183 if (kind.isObject()) { |
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184 return object == other.object; |
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185 } |
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186 return primitive == other.primitive; |
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187 } |
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188 |
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189 /** |
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190 * Converts this constant to a primitive int. |
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191 * @return the int value of this constant |
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192 */ |
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193 public int asInt() { |
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194 if (kind.stackKind().isInt() || kind.isJsr()) { |
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195 return (int) primitive; |
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196 } |
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197 throw new Error("Constant is not int: " + this); |
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198 } |
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199 |
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200 /** |
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201 * Converts this constant to a primitive boolean. |
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202 * @return the boolean value of this constant |
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203 */ |
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204 public boolean asBoolean() { |
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205 if (kind == CiKind.Boolean) { |
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206 return primitive != 0L; |
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207 } |
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208 throw new Error("Constant is not boolean: " + this); |
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209 } |
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210 |
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211 /** |
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212 * Converts this constant to a primitive long. |
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213 * @return the long value of this constant |
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214 */ |
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215 public long asLong() { |
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216 // Checkstyle: stop |
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217 switch (kind.stackKind()) { |
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218 case Jsr: |
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219 case Int: |
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220 case Long: return primitive; |
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221 case Float: return (long) asFloat(); |
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222 case Double: return (long) asDouble(); |
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223 default: throw new Error("Constant is not long: " + this); |
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224 } |
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225 // Checkstyle: resume |
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226 } |
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227 |
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228 /** |
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229 * Converts this constant to a primitive float. |
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230 * @return the float value of this constant |
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|
231 */ |
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232 public float asFloat() { |
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|
233 if (kind.isFloat()) { |
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234 return Float.intBitsToFloat((int) primitive); |
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235 } |
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236 throw new Error("Constant is not float: " + this); |
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237 } |
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|
238 |
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|
239 /** |
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|
240 * Converts this constant to a primitive double. |
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|
241 * @return the double value of this constant |
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|
242 */ |
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|
243 public double asDouble() { |
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|
244 if (kind.isFloat()) { |
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245 return Float.intBitsToFloat((int) primitive); |
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246 } |
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|
247 if (kind.isDouble()) { |
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248 return Double.longBitsToDouble(primitive); |
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249 } |
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250 throw new Error("Constant is not double: " + this); |
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251 } |
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252 |
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253 /** |
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254 * Converts this constant to the object reference it represents. |
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255 * @return the object which this constant represents |
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256 */ |
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257 public Object asObject() { |
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258 if (kind.isObject()) { |
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259 return object; |
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260 } |
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261 throw new Error("Constant is not object: " + this); |
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262 } |
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263 |
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264 /** |
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265 * Converts this constant to the jsr reference it represents. |
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266 * @return the object which this constant represents |
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267 */ |
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268 public int asJsr() { |
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269 if (kind.isJsr()) { |
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270 return (int) primitive; |
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271 } |
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272 throw new Error("Constant is not jsr: " + this); |
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273 } |
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274 |
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275 /** |
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276 * Unchecked access to a primitive value. |
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277 * @return |
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278 */ |
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279 public long asPrimitive() { |
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280 if (kind.isObject()) { |
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281 throw new Error("Constant is not primitive: " + this); |
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282 } |
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283 return primitive; |
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284 } |
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285 |
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286 /** |
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287 * Computes the hashcode of this constant. |
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288 * @return a suitable hashcode for this constant |
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289 */ |
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290 @Override |
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291 public int hashCode() { |
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292 if (kind.isObject()) { |
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293 return System.identityHashCode(object); |
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294 } |
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295 return (int) primitive; |
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296 } |
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297 |
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298 /** |
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299 * Checks whether this constant equals another object. This is only |
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300 * true if the other object is a constant and has the same value. |
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301 * @param o the object to compare equality |
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302 * @return {@code true} if this constant is equivalent to the specified object |
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303 */ |
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304 @Override |
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305 public boolean equals(Object o) { |
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306 return o == this || o instanceof CiConstant && valueEqual((CiConstant) o, false); |
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307 } |
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308 |
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309 /** |
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310 * Checks whether this constant is identical to another constant or has the same value as it. |
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311 * @param other the constant to compare for equality against this constant |
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312 * @return {@code true} if this constant is equivalent to {@code other} |
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313 */ |
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314 public boolean equivalent(CiConstant other) { |
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315 return other == this || valueEqual(other, false); |
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316 } |
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317 |
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318 /** |
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319 * Checks whether this constant is the default value for its type. |
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320 * @return {@code true} if the value is the default value for its type; {@code false} otherwise |
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321 */ |
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322 public boolean isDefaultValue() { |
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323 // Checkstyle: stop |
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324 switch (kind.stackKind()) { |
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325 case Int: return asInt() == 0; |
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326 case Long: return asLong() == 0; |
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327 case Float: return this == FLOAT_0; |
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328 case Double: return this == DOUBLE_0; |
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329 case Object: return object == null; |
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330 } |
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331 // Checkstyle: resume |
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332 throw new IllegalArgumentException("Cannot det default CiConstant for kind " + kind); |
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333 } |
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334 |
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335 /** |
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336 * Gets the default value for a given kind. |
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337 * |
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338 * @return the default value for {@code kind}'s {@linkplain CiKind#stackKind() stack kind} |
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339 */ |
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340 public static CiConstant defaultValue(CiKind kind) { |
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341 // Checkstyle: stop |
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342 switch (kind.stackKind()) { |
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343 case Int: return INT_0; |
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344 case Long: return LONG_0; |
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345 case Float: return FLOAT_0; |
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346 case Double: return DOUBLE_0; |
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347 case Object: return NULL_OBJECT; |
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348 } |
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349 // Checkstyle: resume |
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350 throw new IllegalArgumentException("Cannot get default CiConstant for kind " + kind); |
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351 } |
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352 |
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353 /** |
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354 * Creates a boxed double constant. |
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355 * @param d the double value to box |
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356 * @return a boxed copy of {@code value} |
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357 */ |
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358 public static CiConstant forDouble(double d) { |
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359 if (Double.compare(0.0D, d) == 0) { |
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360 return DOUBLE_0; |
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361 } |
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362 if (Double.compare(d, 1.0D) == 0) { |
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363 return DOUBLE_1; |
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|
364 } |
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365 return new CiConstant(CiKind.Double, Double.doubleToRawLongBits(d)); |
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366 } |
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|
367 |
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|
368 /** |
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369 * Creates a boxed float constant. |
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370 * @param f the float value to box |
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371 * @return a boxed copy of {@code value} |
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372 */ |
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373 public static CiConstant forFloat(float f) { |
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374 if (Float.compare(f, 0.0F) == 0) { |
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|
375 return FLOAT_0; |
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|
376 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
377 if (Float.compare(f, 1.0F) == 0) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
378 return FLOAT_1; |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
379 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
380 if (Float.compare(f, 2.0F) == 0) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
381 return FLOAT_2; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
382 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
383 return new CiConstant(CiKind.Float, Float.floatToRawIntBits(f)); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
384 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
385 |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
386 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
387 * Creates a boxed long constant. |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
388 * @param i the long value to box |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
389 * @return a boxed copy of {@code value} |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
390 */ |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
391 public static CiConstant forLong(long i) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
392 return i == 0 ? LONG_0 : i == 1 ? LONG_1 : new CiConstant(CiKind.Long, i); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
393 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
394 |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
395 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
396 * Creates a boxed integer constant. |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
397 * @param i the integer value to box |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
398 * @return a boxed copy of {@code value} |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
399 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
400 public static CiConstant forInt(int i) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
401 if (i == -1) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
402 return INT_MINUS_1; |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
403 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
404 if (i >= 0 && i < INT_CONSTANT_CACHE.length) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
405 return INT_CONSTANT_CACHE[i]; |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
406 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
407 return new CiConstant(CiKind.Int, i); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
408 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
409 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
410 /** |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
411 * Creates a boxed byte constant. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
412 * @param i the byte value to box |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
413 * @return a boxed copy of {@code value} |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
414 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
415 public static CiConstant forByte(byte i) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
416 return new CiConstant(CiKind.Byte, i); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
417 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
418 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
419 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
420 * Creates a boxed boolean constant. |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
421 * @param i the boolean value to box |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
422 * @return a boxed copy of {@code value} |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
423 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
424 public static CiConstant forBoolean(boolean i) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
425 return i ? TRUE : FALSE; |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
426 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
427 |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
428 /** |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
429 * Creates a boxed char constant. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
430 * @param i the char value to box |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
431 * @return a boxed copy of {@code value} |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
432 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
433 public static CiConstant forChar(char i) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
434 return new CiConstant(CiKind.Char, i); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
435 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
436 |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
437 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
438 * Creates a boxed short constant. |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
439 * @param i the short value to box |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
440 * @return a boxed copy of {@code value} |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
441 */ |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
442 public static CiConstant forShort(short i) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
443 return new CiConstant(CiKind.Short, i); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
444 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
445 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
446 /** |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
447 * Creates a boxed address (jsr/ret address) constant. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
448 * @param i the address value to box |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
449 * @return a boxed copy of {@code value} |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
450 */ |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
451 public static CiConstant forJsr(int i) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
452 return new CiConstant(CiKind.Jsr, i); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
453 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
454 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
455 /** |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
456 * Creates a boxed object constant. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
457 * @param o the object value to box |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
458 * @return a boxed copy of {@code value} |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
459 */ |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
460 public static CiConstant forObject(Object o) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
461 if (o == null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
462 return NULL_OBJECT; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
463 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
464 return new CiConstant(CiKind.Object, o); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
465 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
466 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
467 /** |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
468 * Creates a boxed constant for the given kind from an Object. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
469 * The object needs to be of the Java boxed type corresponding to the kind. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
470 * @param kind the kind of the constant to create |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
471 * @param value the Java boxed value: a Byte instance for CiKind Byte, etc. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
472 * @return the boxed copy of {@code value} |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
473 */ |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
474 public static CiConstant forBoxed(CiKind kind, Object value) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
475 switch (kind) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
476 case Byte: |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
477 return forByte((Byte) value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
478 case Char: |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
479 return forChar((Character) value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
480 case Short: |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
481 return forShort((Short) value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
482 case Int: |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
483 return forInt((Integer) value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
484 case Long: |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
485 return forLong((Long) value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
486 case Float: |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
487 return forFloat((Float) value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
488 case Double: |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
489 return forDouble((Double) value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
490 case Object: |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
491 return forObject(value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
492 default: |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
493 throw new RuntimeException("cannot create CiConstant for boxed " + kind + " value"); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
494 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
495 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
496 } |