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annotate lib/Target/SystemZ/InstPrinter/SystemZInstPrinter.cpp @ 100:7d135dc70f03

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 1172e4bd9c6f
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1 //===-- SystemZInstPrinter.cpp - Convert SystemZ MCInst to assembly syntax ===//
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2 //
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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/MCInstrInfo.h"
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14 #include "llvm/MC/MCSymbol.h"
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15 #include "llvm/Support/ErrorHandling.h"
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16 #include "llvm/Support/raw_ostream.h"
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17
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18 using namespace llvm;
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19
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20 #define DEBUG_TYPE "asm-printer"
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21
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22 #include "SystemZGenAsmWriter.inc"
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23
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24 void SystemZInstPrinter::printAddress(unsigned Base, int64_t Disp,
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25 unsigned Index, raw_ostream &O) {
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26 O << Disp;
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27 if (Base || Index) {
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28 O << '(';
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29 if (Index) {
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30 O << '%' << getRegisterName(Index);
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31 if (Base)
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32 O << ',';
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33 }
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34 if (Base)
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35 O << '%' << getRegisterName(Base);
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36 O << ')';
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37 }
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38 }
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39
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40 void SystemZInstPrinter::printOperand(const MCOperand &MO, const MCAsmInfo *MAI,
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41 raw_ostream &O) {
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42 if (MO.isReg())
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43 O << '%' << getRegisterName(MO.getReg());
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44 else if (MO.isImm())
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45 O << MO.getImm();
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46 else if (MO.isExpr())
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47 MO.getExpr()->print(O, MAI);
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48 else
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49 llvm_unreachable("Invalid operand");
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50 }
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51
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52 void SystemZInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
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53 StringRef Annot,
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54 const MCSubtargetInfo &STI) {
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55 printInstruction(MI, O);
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56 printAnnotation(O, Annot);
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57 }
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58
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59 void SystemZInstPrinter::printRegName(raw_ostream &O, unsigned RegNo) const {
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60 O << '%' << getRegisterName(RegNo);
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61 }
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63 template <unsigned N>
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64 static void printUImmOperand(const MCInst *MI, int OpNum, raw_ostream &O) {
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65 int64_t Value = MI->getOperand(OpNum).getImm();
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66 assert(isUInt<N>(Value) && "Invalid uimm argument");
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67 O << Value;
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68 }
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70 template <unsigned N>
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71 static void printSImmOperand(const MCInst *MI, int OpNum, raw_ostream &O) {
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72 int64_t Value = MI->getOperand(OpNum).getImm();
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73 assert(isInt<N>(Value) && "Invalid simm argument");
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74 O << Value;
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75 }
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76
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77 void SystemZInstPrinter::printU1ImmOperand(const MCInst *MI, int OpNum,
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78 raw_ostream &O) {
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79 printUImmOperand<1>(MI, OpNum, O);
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80 }
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81
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82 void SystemZInstPrinter::printU2ImmOperand(const MCInst *MI, int OpNum,
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83 raw_ostream &O) {
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84 printUImmOperand<2>(MI, OpNum, O);
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85 }
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86
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87 void SystemZInstPrinter::printU3ImmOperand(const MCInst *MI, int OpNum,
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88 raw_ostream &O) {
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89 printUImmOperand<3>(MI, OpNum, O);
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90 }
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91
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92 void SystemZInstPrinter::printU4ImmOperand(const MCInst *MI, int OpNum,
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93 raw_ostream &O) {
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94 printUImmOperand<4>(MI, OpNum, O);
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95 }
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97 void SystemZInstPrinter::printU6ImmOperand(const MCInst *MI, int OpNum,
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98 raw_ostream &O) {
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99 printUImmOperand<6>(MI, OpNum, O);
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100 }
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101
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102 void SystemZInstPrinter::printS8ImmOperand(const MCInst *MI, int OpNum,
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103 raw_ostream &O) {
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104 printSImmOperand<8>(MI, OpNum, O);
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105 }
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106
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107 void SystemZInstPrinter::printU8ImmOperand(const MCInst *MI, int OpNum,
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108 raw_ostream &O) {
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109 printUImmOperand<8>(MI, OpNum, O);
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110 }
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111
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112 void SystemZInstPrinter::printU12ImmOperand(const MCInst *MI, int OpNum,
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113 raw_ostream &O) {
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114 printUImmOperand<12>(MI, OpNum, O);
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115 }
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116
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117 void SystemZInstPrinter::printS16ImmOperand(const MCInst *MI, int OpNum,
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118 raw_ostream &O) {
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119 printSImmOperand<16>(MI, OpNum, O);
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120 }
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121
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122 void SystemZInstPrinter::printU16ImmOperand(const MCInst *MI, int OpNum,
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123 raw_ostream &O) {
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124 printUImmOperand<16>(MI, OpNum, O);
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125 }
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126
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127 void SystemZInstPrinter::printS32ImmOperand(const MCInst *MI, int OpNum,
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128 raw_ostream &O) {
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diff changeset
129 printSImmOperand<32>(MI, OpNum, O);
0
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diff changeset
130 }
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diff changeset
131
95c75e76d11b LLVM 3.4
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diff changeset
132 void SystemZInstPrinter::printU32ImmOperand(const MCInst *MI, int OpNum,
95c75e76d11b LLVM 3.4
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diff changeset
133 raw_ostream &O) {
95
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diff changeset
134 printUImmOperand<32>(MI, OpNum, O);
0
95c75e76d11b LLVM 3.4
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diff changeset
135 }
95c75e76d11b LLVM 3.4
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parents:
diff changeset
136
95c75e76d11b LLVM 3.4
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diff changeset
137 void SystemZInstPrinter::printAccessRegOperand(const MCInst *MI, int OpNum,
95c75e76d11b LLVM 3.4
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parents:
diff changeset
138 raw_ostream &O) {
95c75e76d11b LLVM 3.4
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diff changeset
139 uint64_t Value = MI->getOperand(OpNum).getImm();
95c75e76d11b LLVM 3.4
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parents:
diff changeset
140 assert(Value < 16 && "Invalid access register number");
95c75e76d11b LLVM 3.4
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parents:
diff changeset
141 O << "%a" << (unsigned int)Value;
95c75e76d11b LLVM 3.4
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diff changeset
142 }
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parents:
diff changeset
143
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diff changeset
144 void SystemZInstPrinter::printPCRelOperand(const MCInst *MI, int OpNum,
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diff changeset
145 raw_ostream &O) {
95c75e76d11b LLVM 3.4
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diff changeset
146 const MCOperand &MO = MI->getOperand(OpNum);
95c75e76d11b LLVM 3.4
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parents:
diff changeset
147 if (MO.isImm()) {
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diff changeset
148 O << "0x";
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diff changeset
149 O.write_hex(MO.getImm());
95c75e76d11b LLVM 3.4
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diff changeset
150 } else
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diff changeset
151 MO.getExpr()->print(O, &MAI);
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diff changeset
152 }
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diff changeset
153
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diff changeset
154 void SystemZInstPrinter::printPCRelTLSOperand(const MCInst *MI, int OpNum,
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diff changeset
155 raw_ostream &O) {
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diff changeset
156 // Output the PC-relative operand.
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diff changeset
157 printPCRelOperand(MI, OpNum, O);
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diff changeset
158
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159 // Output the TLS marker if present.
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diff changeset
160 if ((unsigned)OpNum + 1 < MI->getNumOperands()) {
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diff changeset
161 const MCOperand &MO = MI->getOperand(OpNum + 1);
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diff changeset
162 const MCSymbolRefExpr &refExp = cast<MCSymbolRefExpr>(*MO.getExpr());
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diff changeset
163 switch (refExp.getKind()) {
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diff changeset
164 case MCSymbolRefExpr::VK_TLSGD:
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diff changeset
165 O << ":tls_gdcall:";
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diff changeset
166 break;
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diff changeset
167 case MCSymbolRefExpr::VK_TLSLDM:
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diff changeset
168 O << ":tls_ldcall:";
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parents: 77
diff changeset
169 break;
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diff changeset
170 default:
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diff changeset
171 llvm_unreachable("Unexpected symbol kind");
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parents: 77
diff changeset
172 }
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parents: 77
diff changeset
173 O << refExp.getSymbol().getName();
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parents: 77
diff changeset
174 }
0
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parents:
diff changeset
175 }
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parents:
diff changeset
176
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diff changeset
177 void SystemZInstPrinter::printOperand(const MCInst *MI, int OpNum,
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parents:
diff changeset
178 raw_ostream &O) {
95
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179 printOperand(MI->getOperand(OpNum), &MAI, O);
0
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diff changeset
180 }
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parents:
diff changeset
181
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parents:
diff changeset
182 void SystemZInstPrinter::printBDAddrOperand(const MCInst *MI, int OpNum,
95c75e76d11b LLVM 3.4
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parents:
diff changeset
183 raw_ostream &O) {
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parents:
diff changeset
184 printAddress(MI->getOperand(OpNum).getReg(),
95c75e76d11b LLVM 3.4
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parents:
diff changeset
185 MI->getOperand(OpNum + 1).getImm(), 0, O);
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parents:
diff changeset
186 }
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parents:
diff changeset
187
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parents:
diff changeset
188 void SystemZInstPrinter::printBDXAddrOperand(const MCInst *MI, int OpNum,
95c75e76d11b LLVM 3.4
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parents:
diff changeset
189 raw_ostream &O) {
95c75e76d11b LLVM 3.4
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parents:
diff changeset
190 printAddress(MI->getOperand(OpNum).getReg(),
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 MI->getOperand(OpNum + 1).getImm(),
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 MI->getOperand(OpNum + 2).getReg(), O);
95c75e76d11b LLVM 3.4
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parents:
diff changeset
193 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194
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parents:
diff changeset
195 void SystemZInstPrinter::printBDLAddrOperand(const MCInst *MI, int OpNum,
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parents:
diff changeset
196 raw_ostream &O) {
95c75e76d11b LLVM 3.4
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parents:
diff changeset
197 unsigned Base = MI->getOperand(OpNum).getReg();
95c75e76d11b LLVM 3.4
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parents:
diff changeset
198 uint64_t Disp = MI->getOperand(OpNum + 1).getImm();
95c75e76d11b LLVM 3.4
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parents:
diff changeset
199 uint64_t Length = MI->getOperand(OpNum + 2).getImm();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 O << Disp << '(' << Length;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 if (Base)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 O << ",%" << getRegisterName(Base);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 O << ')';
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205
95
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parents: 77
diff changeset
206 void SystemZInstPrinter::printBDVAddrOperand(const MCInst *MI, int OpNum,
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
207 raw_ostream &O) {
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
208 printAddress(MI->getOperand(OpNum).getReg(),
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parents: 77
diff changeset
209 MI->getOperand(OpNum + 1).getImm(),
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
210 MI->getOperand(OpNum + 2).getReg(), O);
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
211 }
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
212
0
95c75e76d11b LLVM 3.4
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parents:
diff changeset
213 void SystemZInstPrinter::printCond4Operand(const MCInst *MI, int OpNum,
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 raw_ostream &O) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 static const char *const CondNames[] = {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 "o", "h", "nle", "l", "nhe", "lh", "ne",
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 "e", "nlh", "he", "nl", "le", "nh", "no"
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 };
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 uint64_t Imm = MI->getOperand(OpNum).getImm();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 assert(Imm > 0 && Imm < 15 && "Invalid condition");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221 O << CondNames[Imm - 1];
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 }