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1 /*
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2 * Copyright 2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.asm.sparc;
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26
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27 import sun.jvm.hotspot.asm.*;
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28
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29 // Please refer to "The SPARC Architecture Manual - Version 8"
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30
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31 public interface SPARCOpcodes {
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32
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33 // format type is coded in 2 bits - primary opcode - "op"
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34 public static final int FORMAT_START_BIT = 30;
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35 public static final int FORMAT_MASK = 3 << FORMAT_START_BIT;
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36
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37 // sparc instruction formats
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38
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39 // PC Relative CALL
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40 public static final int FORMAT_1 = 1;
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41
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42 // Bicc, FBfcc, CBccc, SETHI
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43 public static final int FORMAT_2 = 0;
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44
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45 // memory instructions
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46 public static final int FORMAT_3 = 3;
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47
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48 // arithmetic, logical, shift and remaining
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49 public static final int FORMAT_3A = 2;
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50
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51 // disp 30 - used in pc relative call
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52 public static final int DISP_30_MASK = 0x3FFFFFFF;
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53
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54 // secondary opcode "op2" used in FORMAT_2 instructions - 3 bits.
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55 public static final int OP_2_START_BIT = 22;
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56 public static final int OP_2_MASK = 7 << OP_2_START_BIT;
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57
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58 // various "op2" masks
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59 public static final int OP_2_UNIMP = 0;
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60 public static final int OP_2_Bicc = 2;
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61 public static final int OP_2_SETHI = 4;
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62 public static final int OP_2_FBfcc = 6;
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63 public static final int OP_2_CBccc = 7;
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64
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65 // condition codes are encoded in 4 bits.
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66 public static final int CONDITION_CODE_START_BIT = 25;
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67 public static final int CONDITION_CODE_MASK = 0xF << CONDITION_CODE_START_BIT;
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68
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69 // branch condition codes
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70 public static final int CONDITION_BN = 0;
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71 public static final int CONDITION_FBN = CONDITION_BN;
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72 public static final int CONDITION_CBN = CONDITION_BN;
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73 public static final int CONDITION_TN = CONDITION_BN;
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74
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75 public static final int CONDITION_BE = 1;
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76 public static final int CONDITION_FBNE = CONDITION_BE;
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77 public static final int CONDITION_CB123= CONDITION_BE;
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78 public static final int CONDITION_TE = CONDITION_BE;
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79
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80 public static final int CONDITION_BLE = 2;
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81 public static final int CONDITION_FBLG = CONDITION_BLE;
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82 public static final int CONDITION_CB12 = CONDITION_BLE;
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83 public static final int CONDITION_TLE = CONDITION_BLE;
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84
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85 public static final int CONDITION_BL = 3;
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86 public static final int CONDITION_FBUL = CONDITION_BL;
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87 public static final int CONDITION_CB13 = CONDITION_BL;
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88 public static final int CONDITION_TL = CONDITION_BL;
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89
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90 public static final int CONDITION_BLEU = 4;
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91 public static final int CONDITION_FBL = CONDITION_BLEU;
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92 public static final int CONDITION_CB1 = CONDITION_BLEU;
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93 public static final int CONDITION_TLEU = CONDITION_BLEU;
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94
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95 public static final int CONDITION_BCS = 5;
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96 public static final int CONDITION_FBUG = CONDITION_BCS;
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97 public static final int CONDITION_CB23 = CONDITION_BCS;
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98 public static final int CONDITION_TCS = CONDITION_BCS;
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99
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100 public static final int CONDITION_BNEG = 6;
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101 public static final int CONDITION_FBG = CONDITION_BNEG;
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102 public static final int CONDITION_CB2 = CONDITION_BNEG;
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103 public static final int CONDITION_TNEG = CONDITION_BNEG;
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104
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105 public static final int CONDITION_BVS = 7;
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106 public static final int CONDITION_FBU = CONDITION_BVS;
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107 public static final int CONDITION_CB3 = CONDITION_BVS;
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108 public static final int CONDITION_TVS = CONDITION_BVS;
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109
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110 public static final int CONDITION_BA = 8;
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111 public static final int CONDITION_FBA = CONDITION_BA;
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112 public static final int CONDITION_CBA = CONDITION_BA;
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113 public static final int CONDITION_TA = CONDITION_BA;
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114
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115 public static final int CONDITION_BNE = 9;
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116 public static final int CONDITION_FBE = CONDITION_BNE;
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117 public static final int CONDITION_CB0 = CONDITION_BNE;
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118 public static final int CONDITION_TNE = CONDITION_BNE;
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119
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120 public static final int CONDITION_BG = 0xA;
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121 public static final int CONDITION_FBUE = CONDITION_BG;
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122 public static final int CONDITION_CB03 = CONDITION_BG;
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123 public static final int CONDITION_TG = CONDITION_BG;
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124
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125 public static final int CONDITION_BGE = 0xB;
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126 public static final int CONDITION_FBGE = CONDITION_BGE;
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127 public static final int CONDITION_CB02 = CONDITION_BGE;
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128 public static final int CONDITION_TGE = CONDITION_BGE;
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129
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130 public static final int CONDITION_BGU = 0xC;
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131 public static final int CONDITION_FBUGE= CONDITION_BGU;
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132 public static final int CONDITION_CB023= CONDITION_BGU;
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133 public static final int CONDITION_TGU = CONDITION_BGU;
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134
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135 public static final int CONDITION_BCC = 0xD;
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136 public static final int CONDITION_FBLE = CONDITION_BCC;
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137 public static final int CONDITION_CB01 = CONDITION_BCC;
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138 public static final int CONDITION_TCC = CONDITION_BCC;
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139
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140 public static final int CONDITION_BPOS = 0xE;
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141 public static final int CONDITION_FBULE= CONDITION_BPOS;
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142 public static final int CONDITION_CB013= CONDITION_BPOS;
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143 public static final int CONDITION_TPOS = CONDITION_BPOS;
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144
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145 public static final int CONDITION_BVC = 0xF;
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146 public static final int CONDITION_FBO = CONDITION_BVC;
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147 public static final int CONDITION_CB012= CONDITION_BVC;
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148 public static final int CONDITION_TVC = CONDITION_BVC;
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149
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150 // annul bit mask
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151 public static final int ANNUL_MASK = 1 << 29;
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152
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153 // 22 bit displacement or immediate value - used in FORMAT_2 instructions.
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154 public static final int DISP_22_MASK = 0x3FFFFF;
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155 public static final int IMM_22_MASK = DISP_22_MASK;
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156
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157 // second operand mask, called "i" bit
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158 public static final int I_START_BIT = 13;
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159 public static final int I_MASK = 1 << I_START_BIT;
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160
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161 // address space identifier - "asi" - 8 bits
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162 public static final int ASI_START_BIT = 5;
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163 public static final int ASI_MASK = 0xFF << ASI_START_BIT;
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164
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165 // signed immediate value 13 bits - "simm13"
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166 public static final int SIMM_13_MASK = 0x1FFF;
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167
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168 // co-processor or floating point opcode field - "ocf/opf" - 9 bits
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169 public static final int OPF_START_BIT = 5;
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170 public static final int OPF_MASK = 0x1FF << OPF_START_BIT;
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171 public static final int OPC_MASK = OPF_MASK;
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172
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173 // opcode part 3 - used in FORMAT_3 and FORMAT_3A instructions
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174 // "op3" - 6 bits
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175 public static final int OP_3_START_BIT = 19;
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176 public static final int OP_3_MASK = 0x3F << OP_3_START_BIT;
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177
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178 // register masks
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179 public static final int RD_START_BIT = 25;
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180 public static final int RD_MASK = 0x1F << RD_START_BIT; // "rd"
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181 public static final int RS1_START_BIT = 14;
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182 public static final int RS1_MASK = 0x1F << RS1_START_BIT; // "rs1"
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183 public static final int RS2_MASK = 0x1F; // "rs2"
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184
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185 // load/store instructions - op3 values - used with op=3 (FORMAT_3)
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186 public static final int LD = 0;
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187 public static final int LDA = (1 << 4);
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188 public static final int LDF = (2 << 4);
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189 public static final int LDC = (3 << 4);
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190
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191 public static final int LDUB = 1;
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192 public static final int LDUBA = (1 << 4) | 1;
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193 public static final int LDFSR = (2 << 4) | 1;
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194 public static final int LDCSR = (3 << 4) | 1;
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195
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196 public static final int LDUH = 2;
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197 public static final int LDUHA = (1 << 4) | 2;
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198
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199 public static final int LDD = 3;
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200 public static final int LDDA = (1 << 4) | 3;
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201 public static final int LDDF = (2 << 4) | 3;
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202 public static final int LDDC = (3 << 4) | 3;
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203
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204 public static final int ST = 4;
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205 public static final int STA = (1 << 4) | 4;
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206 public static final int STF = (2 << 4) | 4;
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207 public static final int STC = (3 << 4) | 4;
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208
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209 public static final int STB = 5;
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210 public static final int STBA = (1 << 4) | 5;
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211 public static final int STFSR = (2 << 4) | 5;
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212 public static final int STCSR = (3 << 4) | 5;
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213
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214 public static final int STH = 6;
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215 public static final int STHA = (1 << 4) | 6;
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216 public static final int STDFQ = (2 << 4) | 6;
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217 public static final int STDCQ = (3 << 4) | 6;
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218
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219 public static final int STD = 7;
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220 public static final int STDA = (1 << 4) | 7;
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221 public static final int STDF = (2 << 4) | 7;
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222 public static final int STDC = (3 << 4) | 7;
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223
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224 public static final int LDSB = 9;
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225 public static final int LDSBA = (1 << 4) | 9;
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226
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227 public static final int LDSH = 0xA;
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228 public static final int LDSHA = (1 << 4) | 0xA;
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229
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230 public static final int LDSTUB = 0xD;
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231 public static final int LDSTUBA = (1 << 4) | 0xD;
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232
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233 public static final int SWAP = 0xF;
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234 public static final int SWAPA = (1 << 4) | 0xF;
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235
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236 // arithmetic, logic remaining - op3 with op=2 (FORMAT_3A)
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237 public static final int ADD = 0;
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238 public static final int ADDcc = (1 << 4);
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239 public static final int TADDcc = (2 << 4);
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240 public static final int WRASR = (3 << 4);
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241 public static final int WRY = WRASR;
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242
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243 public static final int AND = 1;
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244 public static final int ANDcc = (1 << 4) | 1;
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245 public static final int TSUBcc = (2 << 4) | 1;
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246 public static final int WRPSR = (3 << 4) | 1;
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247
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248 public static final int OR = 2;
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249 public static final int ORcc = (1 << 4) | 2;
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250 public static final int TADDccTV = (2 << 4) | 2;
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251 public static final int WRWIM = (3 << 4) | 2;
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252
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253 public static final int XOR = 3;
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254 public static final int XORcc = (1 << 4) | 3;
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255 public static final int TSUBccTV = (2 << 4) | 3;
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256 public static final int WRTBR = (3 << 4) | 3;
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257
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258 public static final int SUB = 4;
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259 public static final int SUBcc = (1 << 4) | 4;
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260 public static final int MULScc = (2 << 4) | 4;
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261 public static final int FPop1 = (3 << 4) | 4;
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262
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263 public static final int ANDN = 5;
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264 public static final int ANDNcc = (1 << 4) | 5;
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265 public static final int SLL = (2 << 4) | 5;
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266 public static final int FPop2 = (3 << 4) | 5;
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267
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268 public static final int ORN = 6;
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269 public static final int ORNcc = (1 << 4) | 6;
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270 public static final int SRL = (2 << 4) | 6;
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271 public static final int CPop1 = (3 << 4) | 6;
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272
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273 public static final int XNOR = 7;
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274 public static final int XNORcc = (1 << 4) | 7;
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275 public static final int SRA = (2 << 4) | 7;
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276 public static final int CPop2 = (3 << 4) | 7;
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277
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278 public static final int ADDX = 8;
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279 public static final int ADDXcc = (1 << 4) | 8;
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280 public static final int RDASR = (2 << 4) | 8;
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281 public static final int RDY = RDASR;
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282 public static final int STBAR = RDASR;
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283 public static final int JMPL = (3 << 4) | 8;
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284
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285 public static final int RDPSR = (2 << 4) | 9;
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286 public static final int RETT = (3 << 4) | 9;
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287
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288 public static final int UMUL = 0xA;
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289 public static final int UMULcc = (1 << 4) | 0xA;
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290 public static final int RDWIM = (2 << 4) | 0xA;
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291 public static final int Ticc = (3 << 4) | 0xA;
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292
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293 public static final int SMUL = 0xB;
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294 public static final int SMULcc = (1 << 4) | 0xB;
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295 public static final int RDTBR = (2 << 4) | 0xB;
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296 public static final int FLUSH = (3 << 4) | 0xB;
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297
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298 public static final int SUBX = 0xC;
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299 public static final int SUBXcc = (1 << 4) | 0xC;
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300 public static final int SAVE = (3 << 4) | 0xC;
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301
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302 public static final int RESTORE = (3 << 4) | 0xD;
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303
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304 public static final int UDIV = 0xE;
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305 public static final int UDIVcc = (1 << 4) | 0xE;
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306
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307 public static final int SDIV = 0xF;
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308 public static final int SDIVcc = (1 << 4) | 0xF;
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309
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310 // opf - 9 bits (op=2, op3=0x34=FPop1) - floating point arithmetic
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311 public static final int FMOVs = 0x01;
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312 public static final int FNEGs = 0x05;
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313 public static final int FABSs = 0x09;
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314 public static final int FSQRTs = 0x29;
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315 public static final int FSQRTd = 0x2A;
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316 public static final int FSQRTq = 0x2B;
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317 public static final int FADDs = 0x41;
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318 public static final int FADDd = 0x42;
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319 public static final int FADDq = 0x43;
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320 public static final int FSUBs = 0x45;
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321 public static final int FSUBd = 0x46;
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322 public static final int FSUBq = 0x47;
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323 public static final int FMULs = 0x49;
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324 public static final int FMULd = 0x4A;
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325 public static final int FMULq = 0x4B;
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326 public static final int FDIVs = 0x4D;
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327 public static final int FDIVd = 0x4E;
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328 public static final int FDIVq = 0x4F;
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329 public static final int FsMULd = 0x69;
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330 public static final int FdMULq = 0x6E;
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331 public static final int FiTOs = 0xC4;
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332 public static final int FdTOs = 0xC6;
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333 public static final int FqTOs = 0xC7;
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334 public static final int FiTOd = 0xC8;
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335 public static final int FsTOd = 0xC9;
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336 public static final int FqTOd = 0xCB;
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337 public static final int FiTOq = 0xCC;
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338 public static final int FsTOq = 0xCD;
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339 public static final int FdTOq = 0xCE;
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340 public static final int FsTOi = 0xD1;
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341 public static final int FdTOi = 0xD2;
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342 public static final int FqTOi = 0xD3;
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343
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344 // opf - 9 bits (op=2, op3=0x35=FPop2) - floating point comparisons
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345 public static final int FCMPs = 0x51;
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346 public static final int FCMPd = 0x52;
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347 public static final int FCMPq = 0x53;
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348 public static final int FCMPEs = 0x55;
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349 public static final int FCMPEd = 0x56;
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350 public static final int FCMPEq = 0x57;
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351
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352 // 5 bit shift count mask
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353 public static final int SHIFT_COUNT_5_MASK = 0x1F;
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354 }
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