SMLoc NameLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands);
- bool parseMathOperation(StringRef Name, SMLoc NameLoc,
- SmallVectorImpl<MCParsedAsmOperand*> &Operands);
-
bool ParseDirective(AsmToken DirectiveID);
+ MipsAsmParser::OperandMatchResultTy
+ parseRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
+ int RegKind);
+
MipsAsmParser::OperandMatchResultTy
parseMemOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
MipsAsmParser::OperandMatchResultTy
parseCCRRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+ MipsAsmParser::OperandMatchResultTy
+ parseAFGR64Regs(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+
+ MipsAsmParser::OperandMatchResultTy
+ parseFGR64Regs(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+
+ MipsAsmParser::OperandMatchResultTy
+ parseFGR32Regs(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+
+ MipsAsmParser::OperandMatchResultTy
+ parseFCCRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+
+ MipsAsmParser::OperandMatchResultTy
+ parseACRegsDSP(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+
bool searchSymbolAlias(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
- unsigned RegisterClass);
+ unsigned RegKind);
bool ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &,
StringRef Mnemonic);
int matchRegisterByNumber(unsigned RegNum, unsigned RegClass);
+ int matchFPURegisterName(StringRef Name, FpFormatTy Format);
+
void setFpFormat(FpFormatTy Format) {
FpFormat = Format;
}
FpFormatTy getFpFormat() {return FpFormat;}
- bool requestsDoubleOperand(StringRef Mnemonic);
-
unsigned getReg(int RC, int RegNo);
int getATReg();
Kind_FGR32Regs,
Kind_FGR64Regs,
Kind_AFGR64Regs,
- Kind_CCRRegs
+ Kind_CCRRegs,
+ Kind_FCCRegs,
+ Kind_ACRegsDSP
};
private:
bool isCPURegsAsm() const {
return Kind == k_Register && Reg.Kind == Kind_CPURegs;
}
- void addCPURegsAsmOperands(MCInst &Inst, unsigned N) const {
+ void addRegAsmOperands(MCInst &Inst, unsigned N) const {
Inst.addOperand(MCOperand::CreateReg(Reg.RegNum));
}
bool isCPU64RegsAsm() const {
return Kind == k_Register && Reg.Kind == Kind_CPU64Regs;
}
- void addCPU64RegsAsmOperands(MCInst &Inst, unsigned N) const {
- Inst.addOperand(MCOperand::CreateReg(Reg.RegNum));
- }
bool isHWRegsAsm() const {
assert((Kind == k_Register) && "Invalid access!");
return Reg.Kind == Kind_HWRegs;
}
- void addHWRegsAsmOperands(MCInst &Inst, unsigned N) const {
- Inst.addOperand(MCOperand::CreateReg(Reg.RegNum));
- }
bool isHW64RegsAsm() const {
assert((Kind == k_Register) && "Invalid access!");
return Reg.Kind == Kind_HW64Regs;
}
- void addHW64RegsAsmOperands(MCInst &Inst, unsigned N) const {
- Inst.addOperand(MCOperand::CreateReg(Reg.RegNum));
- }
-
- void addCCRAsmOperands(MCInst &Inst, unsigned N) const {
- Inst.addOperand(MCOperand::CreateReg(Reg.RegNum));
- }
bool isCCRAsm() const {
assert((Kind == k_Register) && "Invalid access!");
return Reg.Kind == Kind_CCRRegs;
}
+ bool isAFGR64Asm() const {
+ return Kind == k_Register && Reg.Kind == Kind_AFGR64Regs;
+ }
+
+ bool isFGR64Asm() const {
+ return Kind == k_Register && Reg.Kind == Kind_FGR64Regs;
+ }
+
+ bool isFGR32Asm() const {
+ return (Kind == k_Register) && Reg.Kind == Kind_FGR32Regs;
+ }
+
+ bool isFCCRegsAsm() const {
+ return (Kind == k_Register) && Reg.Kind == Kind_FCCRegs;
+ }
+
+ bool isACRegsDSPAsm() const {
+ return Kind == k_Register && Reg.Kind == Kind_ACRegsDSP;
+ }
+
/// getStartLoc - Get the location of the first token of this operand.
SMLoc getStartLoc() const {
return StartLoc;
return CC;
}
-int MipsAsmParser::matchRegisterName(StringRef Name, bool is64BitReg) {
-
- if (Name.equals("fcc0"))
- return Mips::FCC0;
-
- int CC;
- CC = matchCPURegisterName(Name);
- if (CC != -1)
- return matchRegisterByNumber(CC, is64BitReg ? Mips::CPU64RegsRegClassID
- : Mips::CPURegsRegClassID);
+int MipsAsmParser::matchFPURegisterName(StringRef Name, FpFormatTy Format) {
if (Name[0] == 'f') {
StringRef NumString = Name.substr(1);
if (IntVal > 31)
return -1;
- FpFormatTy Format = getFpFormat();
-
if (Format == FP_FORMAT_S || Format == FP_FORMAT_W)
return getReg(Mips::FGR32RegClassID, IntVal);
if (Format == FP_FORMAT_D) {
return getReg(Mips::AFGR64RegClassID, IntVal / 2);
}
}
-
return -1;
}
+int MipsAsmParser::matchRegisterName(StringRef Name, bool is64BitReg) {
+
+ if (Name.equals("fcc0"))
+ return Mips::FCC0;
+
+ int CC;
+ CC = matchCPURegisterName(Name);
+ if (CC != -1)
+ return matchRegisterByNumber(CC, is64BitReg ? Mips::CPU64RegsRegClassID
+ : Mips::CPURegsRegClassID);
+ return matchFPURegisterName(Name, getFpFormat());
+}
+
void MipsAsmParser::setDefaultFpFormat() {
if (isMips64() || isFP64())
FpFormat = FP_FORMAT_S;
}
-bool MipsAsmParser::requestsDoubleOperand(StringRef Mnemonic){
-
- bool IsDouble = StringSwitch<bool>(Mnemonic.lower())
- .Case("ldxc1", true)
- .Case("ldc1", true)
- .Case("sdxc1", true)
- .Case("sdc1", true)
- .Default(false);
-
- return IsDouble;
-}
-
void MipsAsmParser::setFpFormat(StringRef Format) {
FpFormat = StringSwitch<FpFormatTy>(Format.lower())
}
MipsAsmParser::OperandMatchResultTy
-MipsAsmParser::parseCPU64Regs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
-
- if (!isMips64())
- return MatchOperand_NoMatch;
+MipsAsmParser::parseRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
+ int RegKind) {
+ MipsOperand::RegisterKind Kind = (MipsOperand::RegisterKind)RegKind;
if (getLexer().getKind() == AsmToken::Identifier) {
- if (searchSymbolAlias(Operands, MipsOperand::Kind_CPU64Regs))
+ if (searchSymbolAlias(Operands, Kind))
return MatchOperand_Success;
return MatchOperand_NoMatch;
}
return MatchOperand_NoMatch;
Parser.Lex(); // Eat $
- if (!tryParseRegisterOperand(Operands, true)) {
+ if (!tryParseRegisterOperand(Operands,
+ RegKind == MipsOperand::Kind_CPU64Regs)) {
// Set the proper register kind.
MipsOperand* op = static_cast<MipsOperand*>(Operands.back());
- op->setRegKind(MipsOperand::Kind_CPU64Regs);
+ op->setRegKind(Kind);
+ if ((Kind == MipsOperand::Kind_CPURegs)
+ && (getLexer().is(AsmToken::LParen))) {
+ // Check if it is indexed addressing operand.
+ Operands.push_back(MipsOperand::CreateToken("(", getLexer().getLoc()));
+ Parser.Lex(); // Eat the parenthesis.
+ if (parseRegs(Operands,RegKind) != MatchOperand_Success)
+ return MatchOperand_NoMatch;
+ if (getLexer().isNot(AsmToken::RParen))
+ return MatchOperand_NoMatch;
+ Operands.push_back(MipsOperand::CreateToken(")", getLexer().getLoc()));
+ Parser.Lex();
+ }
return MatchOperand_Success;
}
return MatchOperand_NoMatch;
}
+MipsAsmParser::OperandMatchResultTy
+MipsAsmParser::parseCPU64Regs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+
+ if (!isMips64())
+ return MatchOperand_NoMatch;
+ return parseRegs(Operands, (int) MipsOperand::Kind_CPU64Regs);
+}
+
+MipsAsmParser::OperandMatchResultTy
+MipsAsmParser::parseCPURegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+ return parseRegs(Operands, (int) MipsOperand::Kind_CPURegs);
+}
+
+MipsAsmParser::OperandMatchResultTy
+MipsAsmParser::parseAFGR64Regs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+
+ if (isFP64())
+ return MatchOperand_NoMatch;
+ // Double operand is expected, set appropriate format
+ setFpFormat(FP_FORMAT_D);
+
+ return parseRegs(Operands, (int) MipsOperand::Kind_AFGR64Regs);
+}
+
+MipsAsmParser::OperandMatchResultTy
+MipsAsmParser::parseFGR64Regs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+ if (!isFP64())
+ return MatchOperand_NoMatch;
+ // Double operand is expected, set appropriate format
+ setFpFormat(FP_FORMAT_D);
+
+ return parseRegs(Operands, (int) MipsOperand::Kind_FGR64Regs);
+}
+
+MipsAsmParser::OperandMatchResultTy
+MipsAsmParser::parseFGR32Regs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+ // Single operand is expected, set appropriate format
+ setFpFormat(FP_FORMAT_S);
+ return parseRegs(Operands, (int) MipsOperand::Kind_FGR32Regs);
+}
+
+MipsAsmParser::OperandMatchResultTy
+MipsAsmParser::parseFCCRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+ // If the first token is not '$' we have an error.
+ if (Parser.getTok().isNot(AsmToken::Dollar))
+ return MatchOperand_NoMatch;
+
+ SMLoc S = Parser.getTok().getLoc();
+ Parser.Lex(); // Eat the '$'
+
+ const AsmToken &Tok = Parser.getTok(); // Get next token.
+
+ if (Tok.isNot(AsmToken::Identifier))
+ return MatchOperand_NoMatch;
+
+ if (!Tok.getIdentifier().startswith("fcc"))
+ return MatchOperand_NoMatch;
+
+ StringRef NumString = Tok.getIdentifier().substr(3);
+
+ unsigned IntVal;
+ if (NumString.getAsInteger(10, IntVal))
+ return MatchOperand_NoMatch;
+
+ unsigned Reg = matchRegisterByNumber(IntVal, Mips::FCCRegClassID);
+
+ MipsOperand *Op = MipsOperand::CreateReg(Reg, S, Parser.getTok().getLoc());
+ Op->setRegKind(MipsOperand::Kind_FCCRegs);
+ Operands.push_back(Op);
+
+ Parser.Lex(); // Eat the register number.
+ return MatchOperand_Success;
+}
+
+MipsAsmParser::OperandMatchResultTy
+MipsAsmParser::parseACRegsDSP(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+ // If the first token is not '$' we have an error.
+ if (Parser.getTok().isNot(AsmToken::Dollar))
+ return MatchOperand_NoMatch;
+
+ SMLoc S = Parser.getTok().getLoc();
+ Parser.Lex(); // Eat the '$'
+
+ const AsmToken &Tok = Parser.getTok(); // Get next token.
+
+ if (Tok.isNot(AsmToken::Identifier))
+ return MatchOperand_NoMatch;
+
+ if (!Tok.getIdentifier().startswith("acc"))
+ return MatchOperand_NoMatch;
+
+ StringRef NumString = Tok.getIdentifier().substr(3);
+
+ unsigned IntVal;
+ if (NumString.getAsInteger(10, IntVal))
+ return MatchOperand_NoMatch;
+
+ unsigned Reg = matchRegisterByNumber(IntVal, Mips::ACRegsDSPRegClassID);
+
+ MipsOperand *Op = MipsOperand::CreateReg(Reg, S, Parser.getTok().getLoc());
+ Op->setRegKind(MipsOperand::Kind_ACRegsDSP);
+ Operands.push_back(Op);
+
+ Parser.Lex(); // Eat the register number.
+ return MatchOperand_Success;
+}
+
bool MipsAsmParser::searchSymbolAlias(
- SmallVectorImpl<MCParsedAsmOperand*> &Operands, unsigned RegisterKind) {
+ SmallVectorImpl<MCParsedAsmOperand*> &Operands, unsigned RegKind) {
MCSymbol *Sym = getContext().LookupSymbol(Parser.getTok().getIdentifier());
if (Sym) {
else
return false;
if (Expr->getKind() == MCExpr::SymbolRef) {
+ MipsOperand::RegisterKind Kind = (MipsOperand::RegisterKind) RegKind;
const MCSymbolRefExpr *Ref = static_cast<const MCSymbolRefExpr*>(Expr);
const StringRef DefSymbol = Ref->getSymbol().getName();
if (DefSymbol.startswith("$")) {
APInt IntVal(32, -1);
if (!DefSymbol.substr(1).getAsInteger(10, IntVal))
RegNum = matchRegisterByNumber(IntVal.getZExtValue(),
- isMips64()
- ? Mips::CPU64RegsRegClassID
- : Mips::CPURegsRegClassID);
- else
- // Lookup for the register with corresponding name
- RegNum = matchRegisterName(DefSymbol.substr(1), isMips64());
+ isMips64()
+ ? Mips::CPU64RegsRegClassID
+ : Mips::CPURegsRegClassID);
+ else {
+ // Lookup for the register with the corresponding name.
+ switch (Kind) {
+ case MipsOperand::Kind_AFGR64Regs:
+ case MipsOperand::Kind_FGR64Regs:
+ RegNum = matchFPURegisterName(DefSymbol.substr(1), FP_FORMAT_D);
+ break;
+ case MipsOperand::Kind_FGR32Regs:
+ RegNum = matchFPURegisterName(DefSymbol.substr(1), FP_FORMAT_S);
+ break;
+ case MipsOperand::Kind_CPU64Regs:
+ case MipsOperand::Kind_CPURegs:
+ default:
+ RegNum = matchRegisterName(DefSymbol.substr(1), isMips64());
+ break;
+ }
+ }
if (RegNum > -1) {
Parser.Lex();
MipsOperand *op = MipsOperand::CreateReg(RegNum, S,
Parser.getTok().getLoc());
- op->setRegKind((MipsOperand::RegisterKind) RegisterKind);
+ op->setRegKind(Kind);
Operands.push_back(op);
return true;
}
Parser.Lex();
const MCConstantExpr *Const = static_cast<const MCConstantExpr*>(Expr);
MipsOperand *op = MipsOperand::CreateImm(Const, S,
- Parser.getTok().getLoc());
+ Parser.getTok().getLoc());
Operands.push_back(op);
return true;
}
return false;
}
-MipsAsmParser::OperandMatchResultTy
-MipsAsmParser::parseCPURegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
-
- if (getLexer().getKind() == AsmToken::Identifier) {
- if (searchSymbolAlias(Operands, MipsOperand::Kind_CPURegs))
- return MatchOperand_Success;
- return MatchOperand_NoMatch;
- }
- // If the first token is not '$' we have an error.
- if (Parser.getTok().isNot(AsmToken::Dollar))
- return MatchOperand_NoMatch;
-
- Parser.Lex(); // Eat $
- if (!tryParseRegisterOperand(Operands, false)) {
- // Set the proper register kind.
- MipsOperand* op = static_cast<MipsOperand*>(Operands.back());
- op->setRegKind(MipsOperand::Kind_CPURegs);
- return MatchOperand_Success;
- }
- return MatchOperand_NoMatch;
-}
-
MipsAsmParser::OperandMatchResultTy
MipsAsmParser::parseHWRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
MipsAsmParser::OperandMatchResultTy
MipsAsmParser::parseCCRRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
- unsigned RegNum;
// If the first token is not '$' we have an error.
if (Parser.getTok().isNot(AsmToken::Dollar))
return MatchOperand_NoMatch;
+
SMLoc S = Parser.getTok().getLoc();
Parser.Lex(); // Eat the '$'
const AsmToken &Tok = Parser.getTok(); // Get next token.
- if (Tok.is(AsmToken::Integer)) {
- RegNum = Tok.getIntVal();
- // At the moment only fcc0 is supported.
- if (RegNum != 0)
- return MatchOperand_ParseFail;
- } else if (Tok.is(AsmToken::Identifier)) {
- // At the moment only fcc0 is supported.
- if (Tok.getIdentifier() != "fcc0")
- return MatchOperand_ParseFail;
- } else
+
+ if (Tok.isNot(AsmToken::Integer))
return MatchOperand_NoMatch;
- MipsOperand *op = MipsOperand::CreateReg(Mips::FCC0, S,
- Parser.getTok().getLoc());
- op->setRegKind(MipsOperand::Kind_CCRRegs);
- Operands.push_back(op);
+ unsigned Reg = matchRegisterByNumber(Tok.getIntVal(), Mips::CCRRegClassID);
+
+ MipsOperand *Op = MipsOperand::CreateReg(Reg, S, Parser.getTok().getLoc());
+ Op->setRegKind(MipsOperand::Kind_CCRRegs);
+ Operands.push_back(Op);
Parser.Lex(); // Eat the register number.
return MatchOperand_Success;
return VK;
}
-// Converts condition string to immediate operand value.
-static int ConvertCcString(StringRef CondString) {
- int CC = StringSwitch<unsigned>(CondString)
- .Case(".f", 0)
- .Case(".un", 1)
- .Case(".eq", 2)
- .Case(".ueq", 3)
- .Case(".olt", 4)
- .Case(".ult", 5)
- .Case(".ole", 6)
- .Case(".ule", 7)
- .Case(".sf", 8)
- .Case(".ngle", 9)
- .Case(".seq", 10)
- .Case(".ngl", 11)
- .Case(".lt", 12)
- .Case(".nge", 13)
- .Case(".le", 14)
- .Case(".ngt", 15)
- .Default(-1);
-
- return CC;
-}
-
-bool MipsAsmParser::
-parseMathOperation(StringRef Name, SMLoc NameLoc,
- SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
- // Split the format.
- size_t Start = Name.find('.'), Next = Name.rfind('.');
- StringRef Format1 = Name.slice(Start, Next);
- // Add the first format to the operands.
- Operands.push_back(MipsOperand::CreateToken(Format1, NameLoc));
- // Now for the second format.
- StringRef Format2 = Name.slice(Next, StringRef::npos);
- Operands.push_back(MipsOperand::CreateToken(Format2, NameLoc));
-
- // Set the format for the first register.
- setFpFormat(Format1);
-
- // Read the remaining operands.
- if (getLexer().isNot(AsmToken::EndOfStatement)) {
- // Read the first operand.
- if (ParseOperand(Operands, Name)) {
- SMLoc Loc = getLexer().getLoc();
- Parser.eatToEndOfStatement();
- return Error(Loc, "unexpected token in argument list");
- }
-
- if (getLexer().isNot(AsmToken::Comma)) {
- SMLoc Loc = getLexer().getLoc();
- Parser.eatToEndOfStatement();
- return Error(Loc, "unexpected token in argument list");
- }
- Parser.Lex(); // Eat the comma.
-
- // Set the format for the first register
- setFpFormat(Format2);
-
- // Parse and remember the operand.
- if (ParseOperand(Operands, Name)) {
- SMLoc Loc = getLexer().getLoc();
- Parser.eatToEndOfStatement();
- return Error(Loc, "unexpected token in argument list");
- }
- }
-
- if (getLexer().isNot(AsmToken::EndOfStatement)) {
- SMLoc Loc = getLexer().getLoc();
- Parser.eatToEndOfStatement();
- return Error(Loc, "unexpected token in argument list");
- }
-
- Parser.Lex(); // Consume the EndOfStatement.
- return false;
-}
bool MipsAsmParser::
ParseInstruction(ParseInstructionInfo &Info, StringRef Name, SMLoc NameLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
- StringRef Mnemonic;
- // Floating point instructions: Should the register be treated as a double?
- if (requestsDoubleOperand(Name)) {
- setFpFormat(FP_FORMAT_D);
- Operands.push_back(MipsOperand::CreateToken(Name, NameLoc));
- Mnemonic = Name;
- } else {
- setDefaultFpFormat();
- // Create the leading tokens for the mnemonic, split by '.' characters.
- size_t Start = 0, Next = Name.find('.');
- Mnemonic = Name.slice(Start, Next);
-
- Operands.push_back(MipsOperand::CreateToken(Mnemonic, NameLoc));
-
- if (Next != StringRef::npos) {
- // There is a format token in mnemonic.
- size_t Dot = Name.find('.', Next + 1);
- StringRef Format = Name.slice(Next, Dot);
- if (Dot == StringRef::npos) // Only one '.' in a string, it's a format.
- Operands.push_back(MipsOperand::CreateToken(Format, NameLoc));
- else {
- if (Name.startswith("c.")) {
- // Floating point compare, add '.' and immediate represent for cc.
- Operands.push_back(MipsOperand::CreateToken(".", NameLoc));
- int Cc = ConvertCcString(Format);
- if (Cc == -1) {
- return Error(NameLoc, "Invalid conditional code");
- }
- SMLoc E = SMLoc::getFromPointer(
- Parser.getTok().getLoc().getPointer() - 1);
- Operands.push_back(
- MipsOperand::CreateImm(MCConstantExpr::Create(Cc, getContext()),
- NameLoc, E));
- } else {
- // trunc, ceil, floor ...
- return parseMathOperation(Name, NameLoc, Operands);
- }
-
- // The rest is a format.
- Format = Name.slice(Dot, StringRef::npos);
- Operands.push_back(MipsOperand::CreateToken(Format, NameLoc));
- }
-
- setFpFormat(Format);
- }
+ // Check if we have valid mnemonic
+ if (!mnemonicIsValid(Name, 0)) {
+ Parser.eatToEndOfStatement();
+ return Error(NameLoc, "Unknown instruction");
}
+ // First operand in MCInst is instruction mnemonic.
+ Operands.push_back(MipsOperand::CreateToken(Name, NameLoc));
// Read the remaining operands.
if (getLexer().isNot(AsmToken::EndOfStatement)) {
// Read the first operand.
- if (ParseOperand(Operands, Mnemonic)) {
+ if (ParseOperand(Operands, Name)) {
SMLoc Loc = getLexer().getLoc();
Parser.eatToEndOfStatement();
return Error(Loc, "unexpected token in argument list");
while (getLexer().is(AsmToken::Comma)) {
Parser.Lex(); // Eat the comma.
-
// Parse and remember the operand.
if (ParseOperand(Operands, Name)) {
SMLoc Loc = getLexer().getLoc();
}
}
}
-
if (getLexer().isNot(AsmToken::EndOfStatement)) {
SMLoc Loc = getLexer().getLoc();
Parser.eatToEndOfStatement();
return Error(Loc, "unexpected token in argument list");
}
-
Parser.Lex(); // Consume the EndOfStatement.
return false;
}
projects / oota-llvm.git / blobdiff