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1 //===- SystemZInstPrinter.cpp - Convert SystemZ MCInst to assembly syntax -===//
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2 //
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #include "SystemZInstPrinter.h"
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11 #include "llvm/MC/MCExpr.h"
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12 #include "llvm/MC/MCInst.h"
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13 #include "llvm/MC/MCSymbol.h"
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14 #include "llvm/Support/Casting.h"
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15 #include "llvm/Support/ErrorHandling.h"
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121
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16 #include "llvm/Support/MathExtras.h"
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17 #include "llvm/Support/raw_ostream.h"
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121
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18 #include <cassert>
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19 #include <cstdint>
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20
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21 using namespace llvm;
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22
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23 #define DEBUG_TYPE "asm-printer"
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24
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25 #include "SystemZGenAsmWriter.inc"
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26
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27 void SystemZInstPrinter::printAddress(unsigned Base, int64_t Disp,
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28 unsigned Index, raw_ostream &O) {
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29 O << Disp;
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30 if (Base || Index) {
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31 O << '(';
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32 if (Index) {
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33 O << '%' << getRegisterName(Index);
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34 if (Base)
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35 O << ',';
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36 }
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37 if (Base)
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38 O << '%' << getRegisterName(Base);
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39 O << ')';
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40 }
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41 }
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42
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43 void SystemZInstPrinter::printOperand(const MCOperand &MO, const MCAsmInfo *MAI,
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44 raw_ostream &O) {
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45 if (MO.isReg())
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46 O << '%' << getRegisterName(MO.getReg());
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47 else if (MO.isImm())
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48 O << MO.getImm();
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49 else if (MO.isExpr())
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50 MO.getExpr()->print(O, MAI);
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51 else
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52 llvm_unreachable("Invalid operand");
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53 }
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54
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55 void SystemZInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
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56 StringRef Annot,
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57 const MCSubtargetInfo &STI) {
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58 printInstruction(MI, O);
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59 printAnnotation(O, Annot);
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60 }
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61
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62 void SystemZInstPrinter::printRegName(raw_ostream &O, unsigned RegNo) const {
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63 O << '%' << getRegisterName(RegNo);
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64 }
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65
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66 template <unsigned N>
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67 static void printUImmOperand(const MCInst *MI, int OpNum, raw_ostream &O) {
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68 int64_t Value = MI->getOperand(OpNum).getImm();
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69 assert(isUInt<N>(Value) && "Invalid uimm argument");
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70 O << Value;
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71 }
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72
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73 template <unsigned N>
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74 static void printSImmOperand(const MCInst *MI, int OpNum, raw_ostream &O) {
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75 int64_t Value = MI->getOperand(OpNum).getImm();
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76 assert(isInt<N>(Value) && "Invalid simm argument");
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77 O << Value;
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78 }
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79
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80 void SystemZInstPrinter::printU1ImmOperand(const MCInst *MI, int OpNum,
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81 raw_ostream &O) {
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82 printUImmOperand<1>(MI, OpNum, O);
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83 }
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84
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85 void SystemZInstPrinter::printU2ImmOperand(const MCInst *MI, int OpNum,
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86 raw_ostream &O) {
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87 printUImmOperand<2>(MI, OpNum, O);
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88 }
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89
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90 void SystemZInstPrinter::printU3ImmOperand(const MCInst *MI, int OpNum,
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91 raw_ostream &O) {
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92 printUImmOperand<3>(MI, OpNum, O);
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93 }
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94
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95 void SystemZInstPrinter::printU4ImmOperand(const MCInst *MI, int OpNum,
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96 raw_ostream &O) {
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97 printUImmOperand<4>(MI, OpNum, O);
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98 }
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99
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100 void SystemZInstPrinter::printU6ImmOperand(const MCInst *MI, int OpNum,
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101 raw_ostream &O) {
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102 printUImmOperand<6>(MI, OpNum, O);
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103 }
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104
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105 void SystemZInstPrinter::printS8ImmOperand(const MCInst *MI, int OpNum,
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106 raw_ostream &O) {
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107 printSImmOperand<8>(MI, OpNum, O);
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108 }
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109
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110 void SystemZInstPrinter::printU8ImmOperand(const MCInst *MI, int OpNum,
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111 raw_ostream &O) {
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112 printUImmOperand<8>(MI, OpNum, O);
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113 }
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114
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115 void SystemZInstPrinter::printU12ImmOperand(const MCInst *MI, int OpNum,
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116 raw_ostream &O) {
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117 printUImmOperand<12>(MI, OpNum, O);
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118 }
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119
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120 void SystemZInstPrinter::printS16ImmOperand(const MCInst *MI, int OpNum,
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121 raw_ostream &O) {
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122 printSImmOperand<16>(MI, OpNum, O);
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123 }
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124
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125 void SystemZInstPrinter::printU16ImmOperand(const MCInst *MI, int OpNum,
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126 raw_ostream &O) {
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127 printUImmOperand<16>(MI, OpNum, O);
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128 }
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129
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130 void SystemZInstPrinter::printS32ImmOperand(const MCInst *MI, int OpNum,
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131 raw_ostream &O) {
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132 printSImmOperand<32>(MI, OpNum, O);
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133 }
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134
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135 void SystemZInstPrinter::printU32ImmOperand(const MCInst *MI, int OpNum,
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136 raw_ostream &O) {
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137 printUImmOperand<32>(MI, OpNum, O);
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138 }
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139
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120
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140 void SystemZInstPrinter::printU48ImmOperand(const MCInst *MI, int OpNum,
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141 raw_ostream &O) {
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142 printUImmOperand<48>(MI, OpNum, O);
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143 }
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144
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145 void SystemZInstPrinter::printPCRelOperand(const MCInst *MI, int OpNum,
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146 raw_ostream &O) {
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147 const MCOperand &MO = MI->getOperand(OpNum);
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148 if (MO.isImm()) {
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149 O << "0x";
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150 O.write_hex(MO.getImm());
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151 } else
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152 MO.getExpr()->print(O, &MAI);
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153 }
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154
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155 void SystemZInstPrinter::printPCRelTLSOperand(const MCInst *MI, int OpNum,
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156 raw_ostream &O) {
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157 // Output the PC-relative operand.
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158 printPCRelOperand(MI, OpNum, O);
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159
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160 // Output the TLS marker if present.
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161 if ((unsigned)OpNum + 1 < MI->getNumOperands()) {
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162 const MCOperand &MO = MI->getOperand(OpNum + 1);
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163 const MCSymbolRefExpr &refExp = cast<MCSymbolRefExpr>(*MO.getExpr());
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164 switch (refExp.getKind()) {
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165 case MCSymbolRefExpr::VK_TLSGD:
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166 O << ":tls_gdcall:";
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167 break;
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168 case MCSymbolRefExpr::VK_TLSLDM:
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169 O << ":tls_ldcall:";
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170 break;
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171 default:
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172 llvm_unreachable("Unexpected symbol kind");
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173 }
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174 O << refExp.getSymbol().getName();
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175 }
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176 }
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177
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178 void SystemZInstPrinter::printOperand(const MCInst *MI, int OpNum,
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179 raw_ostream &O) {
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180 printOperand(MI->getOperand(OpNum), &MAI, O);
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181 }
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182
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183 void SystemZInstPrinter::printBDAddrOperand(const MCInst *MI, int OpNum,
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184 raw_ostream &O) {
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185 printAddress(MI->getOperand(OpNum).getReg(),
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186 MI->getOperand(OpNum + 1).getImm(), 0, O);
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187 }
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188
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189 void SystemZInstPrinter::printBDXAddrOperand(const MCInst *MI, int OpNum,
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190 raw_ostream &O) {
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191 printAddress(MI->getOperand(OpNum).getReg(),
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192 MI->getOperand(OpNum + 1).getImm(),
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193 MI->getOperand(OpNum + 2).getReg(), O);
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194 }
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195
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196 void SystemZInstPrinter::printBDLAddrOperand(const MCInst *MI, int OpNum,
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197 raw_ostream &O) {
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198 unsigned Base = MI->getOperand(OpNum).getReg();
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199 uint64_t Disp = MI->getOperand(OpNum + 1).getImm();
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200 uint64_t Length = MI->getOperand(OpNum + 2).getImm();
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201 O << Disp << '(' << Length;
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202 if (Base)
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203 O << ",%" << getRegisterName(Base);
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204 O << ')';
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205 }
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206
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120
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207 void SystemZInstPrinter::printBDRAddrOperand(const MCInst *MI, int OpNum,
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208 raw_ostream &O) {
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209 unsigned Base = MI->getOperand(OpNum).getReg();
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210 uint64_t Disp = MI->getOperand(OpNum + 1).getImm();
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211 unsigned Length = MI->getOperand(OpNum + 2).getReg();
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212 O << Disp << "(%" << getRegisterName(Length);
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213 if (Base)
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214 O << ",%" << getRegisterName(Base);
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215 O << ')';
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216 }
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217
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218 void SystemZInstPrinter::printBDVAddrOperand(const MCInst *MI, int OpNum,
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219 raw_ostream &O) {
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220 printAddress(MI->getOperand(OpNum).getReg(),
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221 MI->getOperand(OpNum + 1).getImm(),
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222 MI->getOperand(OpNum + 2).getReg(), O);
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223 }
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224
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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225 void SystemZInstPrinter::printCond4Operand(const MCInst *MI, int OpNum,
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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226 raw_ostream &O) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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227 static const char *const CondNames[] = {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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228 "o", "h", "nle", "l", "nhe", "lh", "ne",
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229 "e", "nlh", "he", "nl", "le", "nh", "no"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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230 };
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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231 uint64_t Imm = MI->getOperand(OpNum).getImm();
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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232 assert(Imm > 0 && Imm < 15 && "Invalid condition");
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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233 O << CondNames[Imm - 1];
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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234 }
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