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annotate graal/GraalCompiler/src/com/sun/c1x/lir/LIROp2.java @ 2725:c379183d1c54

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Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Thu, 19 May 2011 16:56:05 +0200
parents 16b9a8b5ad39
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2507
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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.lir;
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24
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25 import com.sun.c1x.ir.*;
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26 import com.sun.cri.ci.*;
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27
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28 /**
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29 * The {@code LIROp2} class represents a LIR instruction that performs an operation on two operands.
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30 *
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31 * @author Marcelo Cintra
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32 * @author Thomas Wuerthinger
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33 * @author Ben L. Titzer
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34 */
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35 public class LIROp2 extends LIRInstruction {
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36
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37 final Condition condition;
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38
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39 /**
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40 * Constructs a new LIROp2 instruction.
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41 *
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42 * @param opcode the instruction's opcode
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43 * @param condition the instruction's condition
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44 * @param opr1 the first input operand
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45 * @param opr2 the second input operand
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46 * @param info the object holding information needed to emit debug information
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47 */
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48 public LIROp2(LIROpcode opcode, Condition condition, CiValue opr1, CiValue opr2, LIRDebugInfo info) {
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49 super(opcode, CiValue.IllegalValue, info, false, 0, 0, opr1, opr2);
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50 this.condition = condition;
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51 assert opcode == LIROpcode.Cmp : "Instruction opcode should be of type LIROpcode.Cmp";
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52 }
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53
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54 /**
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55 * Constructs a new LIROp2 instruction.
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56 *
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57 * @param opcode the instruction's opcode
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58 * @param condition the instruction's condition
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59 * @param opr1 the first input operand
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60 * @param opr2 the second input operand
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61 * @param result the operand that holds the result of this instruction
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62 */
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63 public LIROp2(LIROpcode opcode, Condition condition, CiValue opr1, CiValue opr2, CiValue result) {
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64 super(opcode, result, null, false, 0, 0, opr1, opr2);
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65 this.condition = condition;
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66 assert opcode == LIROpcode.Cmove : "Instruction opcode should be of type LIROpcode.Cmove";
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67 }
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68
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69 /**
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70 * Constructs a new LIROp2 instruction.
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71 *
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72 * @param opcode the instruction's opcode
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73 * @param opr1 the first input operand
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74 * @param opr2 the second input operand
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75 * @param result the operand that holds the result of this instruction
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76 * @param info the object holding information needed to emit debug information
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77 * @param kind the kind of this instruction
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78 */
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79 public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result, LIRDebugInfo info, CiKind kind, boolean hasCall) {
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80 super(opcode, result, info, hasCall, 0, 0, opr1, opr2);
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81 this.condition = null;
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82 assert opcode != LIROpcode.Cmp && isInRange(opcode, LIROpcode.BeginOp2, LIROpcode.EndOp2) : "The " + opcode + " is not a valid LIROp2 opcode";
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83 }
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84
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85 /**
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86 * Constructs a new LIROp2 instruction.
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87 *
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88 * @param opcode the instruction's opcode
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89 * @param opr1 the instruction's first operand
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90 * @param opr2 the instruction's second operand
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91 * @param result the operand that holds the result of this instruction
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92 * @param info the object holding information needed to emit debug information
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93 */
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94 public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result, LIRDebugInfo info) {
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95 this(opcode, opr1, opr2, result, info, CiKind.Illegal, false);
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96 }
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97
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98 /**
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99 * Constructs a new LIROp2 instruction.
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100 *
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101 * @param opcode the instruction's opcode
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102 * @param opr1 the instruction's first operand
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103 * @param opr2 the instruction's second operand
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104 * @param result the operand that holds the result of this instruction
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105 */
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106 public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result) {
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107 this(opcode, opr1, opr2, result, (LIRDebugInfo) null);
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108 }
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109
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110 /**
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111 * Constructs a new LIROp2 instruction.
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112 *
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113 * @param opcode the instruction's opcode
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114 * @param opr1 the first input operand
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115 * @param opr2 the second input operand
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116 * @param result the operand that holds the result of this instruction
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117 * @param tmp the temporary operand used by this instruction
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118 */
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119 public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result, CiValue tmp) {
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120 super(opcode, result, null, false, 0, 1, opr1, opr2, tmp);
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121 this.condition = null;
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122 assert opcode != LIROpcode.Cmp && isInRange(opcode, LIROpcode.BeginOp2, LIROpcode.EndOp2) : "The " + opcode + " is not a valid LIROp2 opcode";
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123 }
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124
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125 /**
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126 * Gets the first input operand.
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127 *
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128 * @return opr1 the first input operand
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129 */
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130 public CiValue operand1() {
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131 return operand(0);
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132 }
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133
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134 /**
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135 * Gets the second input operand.
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136 *
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137 * @return opr2 the second input operand
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138 */
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139 public CiValue operand2() {
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140 return operand(1);
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141 }
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142
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143 /**
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144 * Gets the temporary operand of this instruction.
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145 *
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146 * @return tmp the temporary operand of this instruction
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147 *
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148 */
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149 public CiValue tmp() {
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150 return operand(2);
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151 }
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152
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153 /**
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154 * Gets the condition of this instruction, if it is a Cmp or Cmove LIR instruction.
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155 *
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156 * @return condition the condition of this instruction
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157 */
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158 public Condition condition() {
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159 assert code == LIROpcode.Cmp || code == LIROpcode.Cmove : "Field access only valid for cmp and cmove";
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160 return condition;
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161 }
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162
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163 /**
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164 * Emit target assembly code for this instruction.
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165 *
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166 * @param masm the target assembler
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167 */
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168 @Override
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169 public void emitCode(LIRAssembler masm) {
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170 masm.emitOp2(this);
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171 }
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172
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173 /**
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174 * Prints this instruction.
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175 */
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176 @Override
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177 public String operationString(OperandFormatter operandFmt) {
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178 if (code == LIROpcode.Cmove) {
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179 return condition.toString() + " " + super.operationString(operandFmt);
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180 }
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181 return super.operationString(operandFmt);
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182 }
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183 }
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184