1107   bool MatchRegisterByName(MCRegister &RegNo, StringRef RegName, SMLoc StartLoc,
1109   bool ParseRegister(MCRegister &RegNo, SMLoc &StartLoc, SMLoc &EndLoc,
1176   bool parseSEHRegisterNumber(unsigned RegClassID, MCRegister &RegNo);
1217   bool OmitRegisterFromClobberLists(unsigned RegNo) override;
1392 bool X86AsmParser::MatchRegisterByName(MCRegister &RegNo, StringRef RegName,  in MatchRegisterByName()  argument
1398   RegNo = MatchRegisterName(RegName);  in MatchRegisterByName()
1401   if (RegNo == 0)  in MatchRegisterByName()
1402     RegNo = MatchRegisterName(RegName.lower());  in MatchRegisterByName()
1407       (RegNo == X86::EFLAGS || RegNo == X86::MXCSR))  in MatchRegisterByName()
1408     RegNo = 0;  in MatchRegisterByName()
1414     if (RegNo == X86::RIZ || RegNo == X86::RIP ||  in MatchRegisterByName()
1415         X86MCRegisterClasses[X86::GR64RegClassID].contains(RegNo) ||  in MatchRegisterByName()
1416         X86II::isX86_64NonExtLowByteReg(RegNo) ||  in MatchRegisterByName()
1417         X86II::isX86_64ExtendedReg(RegNo)) {  in MatchRegisterByName()
1424   if (X86II::isApxExtendedReg(RegNo))  in MatchRegisterByName()
1429   if (RegNo == 0 && RegName.starts_with("db")) {  in MatchRegisterByName()
1433         RegNo = X86::DR0;  in MatchRegisterByName()
1436         RegNo = X86::DR1;  in MatchRegisterByName()
1439         RegNo = X86::DR2;  in MatchRegisterByName()
1442         RegNo = X86::DR3;  in MatchRegisterByName()
1445         RegNo = X86::DR4;  in MatchRegisterByName()
1448         RegNo = X86::DR5;  in MatchRegisterByName()
1451         RegNo = X86::DR6;  in MatchRegisterByName()
1454         RegNo = X86::DR7;  in MatchRegisterByName()
1457         RegNo = X86::DR8;  in MatchRegisterByName()
1460         RegNo = X86::DR9;  in MatchRegisterByName()
1466         RegNo = X86::DR10;  in MatchRegisterByName()
1469         RegNo = X86::DR11;  in MatchRegisterByName()
1472         RegNo = X86::DR12;  in MatchRegisterByName()
1475         RegNo = X86::DR13;  in MatchRegisterByName()
1478         RegNo = X86::DR14;  in MatchRegisterByName()
1481         RegNo = X86::DR15;  in MatchRegisterByName()
1487   if (RegNo == 0) {  in MatchRegisterByName()
1495 bool X86AsmParser::ParseRegister(MCRegister &RegNo, SMLoc &StartLoc,  in ParseRegister()  argument
1499   RegNo = 0;  in ParseRegister()
1530   if (MatchRegisterByName(RegNo, Tok.getString(), StartLoc, EndLoc)) {  in ParseRegister()
1536   if (RegNo == X86::ST0) {  in ParseRegister()
1553     case 0: RegNo = X86::ST0; break;  in ParseRegister()
1554     case 1: RegNo = X86::ST1; break;  in ParseRegister()
1555     case 2: RegNo = X86::ST2; break;  in ParseRegister()
1556     case 3: RegNo = X86::ST3; break;  in ParseRegister()
1557     case 4: RegNo = X86::ST4; break;  in ParseRegister()
1558     case 5: RegNo = X86::ST5; break;  in ParseRegister()
1559     case 6: RegNo = X86::ST6; break;  in ParseRegister()
1560     case 7: RegNo = X86::ST7; break;  in ParseRegister()
1581   if (RegNo == 0) {  in ParseRegister()
2599   MCRegister RegNo;  in parseIntelOperand()  local
2600   if (Tok.is(AsmToken::Identifier) && !parseRegister(RegNo, Start, End)) {  in parseIntelOperand()
2601     if (RegNo == X86::RIP)  in parseIntelOperand()
2608       Operands.push_back(X86Operand::CreateReg(RegNo, Start, End));  in parseIntelOperand()
2612     if (!X86MCRegisterClasses[X86::SEGMENT_REGRegClassID].contains(RegNo))  in parseIntelOperand()
2636   if (!SM.isMemExpr() && !RegNo) {  in parseIntelOperand()
2699     return CreateMemForMSInlineAsm(RegNo, Disp, BaseReg, IndexReg, Scale,  in parseIntelOperand()
2741   if ((BaseReg || IndexReg || RegNo || DefaultBaseReg != X86::NoRegister))  in parseIntelOperand()
2743         getPointerWidth(), RegNo, Disp, BaseReg, IndexReg, Scale, Start, End,  in parseIntelOperand()
2920         MCRegister RegNo;  in HandleAVX512Operand()  local
2922         if (!parseRegister(RegNo, RegLoc, StartLoc) &&  in HandleAVX512Operand()
2923             X86MCRegisterClasses[X86::VK1RegClassID].contains(RegNo)) {  in HandleAVX512Operand()
2924           if (RegNo == X86::K0)  in HandleAVX512Operand()
2930               X86Operand::CreateReg(RegNo, StartLoc, StartLoc));  in HandleAVX512Operand()
3179     MCRegister RegNo;  in parsePrimaryExpr()  local
3180     if (parseRegister(RegNo, StartLoc, EndLoc))  in parsePrimaryExpr()
3182     Res = X86MCExpr::create(RegNo, Parser.getContext());  in parsePrimaryExpr()
4587 bool X86AsmParser::OmitRegisterFromClobberLists(unsigned RegNo) {  in OmitRegisterFromClobberLists()  argument
4588   return X86MCRegisterClasses[X86::SEGMENT_REGRegClassID].contains(RegNo);  in OmitRegisterFromClobberLists()
4825                                           MCRegister &RegNo) {  in parseSEHRegisterNumber()  argument
4832     if (parseRegister(RegNo, startLoc, endLoc))  in parseSEHRegisterNumber()
4835     if (!X86MCRegisterClasses[RegClassID].contains(RegNo)) {  in parseSEHRegisterNumber()
4848     RegNo = 0;  in parseSEHRegisterNumber()
4851         RegNo = Reg;  in parseSEHRegisterNumber()
4855     if (RegNo == 0) {  in parseSEHRegisterNumber()