static const char OpPrecedence[] = {
0, // IC_OR
- 1, // IC_AND
- 2, // IC_LSHIFT
- 2, // IC_RSHIFT
- 3, // IC_PLUS
- 3, // IC_MINUS
- 4, // IC_MULTIPLY
- 4, // IC_DIVIDE
- 5, // IC_RPAREN
- 6, // IC_LPAREN
+ 1, // IC_XOR
+ 2, // IC_AND
+ 3, // IC_LSHIFT
+ 3, // IC_RSHIFT
+ 4, // IC_PLUS
+ 4, // IC_MINUS
+ 5, // IC_MULTIPLY
+ 5, // IC_DIVIDE
+ 6, // IC_RPAREN
+ 7, // IC_LPAREN
0, // IC_IMM
0 // IC_REGISTER
};
enum InfixCalculatorTok {
IC_OR = 0,
+ IC_XOR,
IC_AND,
IC_LSHIFT,
IC_RSHIFT,
// Push the new operator.
InfixOperatorStack.push_back(Op);
}
+
int64_t execute() {
// Push any remaining operators onto the postfix stack.
while (!InfixOperatorStack.empty()) {
Val = Op1.second | Op2.second;
OperandStack.push_back(std::make_pair(IC_IMM, Val));
break;
+ case IC_XOR:
+ assert(Op1.first == IC_IMM && Op2.first == IC_IMM &&
+ "Xor operation with an immediate and a register!");
+ Val = Op1.second ^ Op2.second;
+ OperandStack.push_back(std::make_pair(IC_IMM, Val));
+ break;
case IC_AND:
assert (Op1.first == IC_IMM && Op2.first == IC_IMM &&
"And operation with an immediate and a register!");
enum IntelExprState {
IES_OR,
+ IES_XOR,
IES_AND,
IES_LSHIFT,
IES_RSHIFT,
}
PrevState = CurrState;
}
+ void onXor() {
+ IntelExprState CurrState = State;
+ switch (State) {
+ default:
+ State = IES_ERROR;
+ break;
+ case IES_INTEGER:
+ case IES_RPAREN:
+ case IES_REGISTER:
+ State = IES_XOR;
+ IC.pushOperator(IC_XOR);
+ break;
+ }
+ PrevState = CurrState;
+ }
void onAnd() {
IntelExprState CurrState = State;
switch (State) {
case IES_MINUS:
case IES_NOT:
case IES_OR:
+ case IES_XOR:
case IES_AND:
case IES_LSHIFT:
case IES_RSHIFT:
PrevState == IES_LSHIFT || PrevState == IES_RSHIFT ||
PrevState == IES_MULTIPLY || PrevState == IES_DIVIDE ||
PrevState == IES_LPAREN || PrevState == IES_LBRAC ||
- PrevState == IES_NOT) &&
+ PrevState == IES_NOT || PrevState == IES_XOR) &&
CurrState == IES_MINUS) {
// Unary minus. No need to pop the minus operand because it was never
// pushed.
PrevState == IES_LSHIFT || PrevState == IES_RSHIFT ||
PrevState == IES_MULTIPLY || PrevState == IES_DIVIDE ||
PrevState == IES_LPAREN || PrevState == IES_LBRAC ||
- PrevState == IES_NOT) &&
+ PrevState == IES_NOT || PrevState == IES_XOR) &&
CurrState == IES_NOT) {
// Unary not. No need to pop the not operand because it was never
// pushed.
case IES_MINUS:
case IES_NOT:
case IES_OR:
+ case IES_XOR:
case IES_AND:
case IES_LSHIFT:
case IES_RSHIFT:
PrevState == IES_LSHIFT || PrevState == IES_RSHIFT ||
PrevState == IES_MULTIPLY || PrevState == IES_DIVIDE ||
PrevState == IES_LPAREN || PrevState == IES_LBRAC ||
- PrevState == IES_NOT) &&
+ PrevState == IES_NOT || PrevState == IES_XOR) &&
(CurrState == IES_MINUS || CurrState == IES_NOT)) {
State = IES_ERROR;
break;
std::unique_ptr<X86Operand> DefaultMemSIOperand(SMLoc Loc);
std::unique_ptr<X86Operand> DefaultMemDIOperand(SMLoc Loc);
+ void AddDefaultSrcDestOperands(
+ OperandVector& Operands, std::unique_ptr<llvm::MCParsedAsmOperand> &&Src,
+ std::unique_ptr<llvm::MCParsedAsmOperand> &&Dst);
std::unique_ptr<X86Operand> ParseOperand();
std::unique_ptr<X86Operand> ParseATTOperand();
std::unique_ptr<X86Operand> ParseIntelOperand();
public:
X86AsmParser(MCSubtargetInfo &sti, MCAsmParser &Parser,
const MCInstrInfo &mii, const MCTargetOptions &Options)
- : MCTargetAsmParser(), STI(sti), MII(mii), InstInfo(nullptr) {
+ : MCTargetAsmParser(Options), STI(sti), MII(mii), InstInfo(nullptr) {
// Initialize the set of available features.
setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
if (RegNo == 0)
RegNo = MatchRegisterName(Tok.getString().lower());
+ // The "flags" register cannot be referenced directly.
+ // Treat it as an identifier instead.
+ if (isParsingInlineAsm() && isParsingIntelSyntax() && RegNo == X86::EFLAGS)
+ RegNo = 0;
+
if (!is64BitMode()) {
// FIXME: This should be done using Requires<Not64BitMode> and
// Requires<In64BitMode> so "eiz" usage in 64-bit instructions can be also
Loc, Loc, 0);
}
+void X86AsmParser::AddDefaultSrcDestOperands(
+ OperandVector& Operands, std::unique_ptr<llvm::MCParsedAsmOperand> &&Src,
+ std::unique_ptr<llvm::MCParsedAsmOperand> &&Dst) {
+ if (isParsingIntelSyntax()) {
+ Operands.push_back(std::move(Dst));
+ Operands.push_back(std::move(Src));
+ }
+ else {
+ Operands.push_back(std::move(Src));
+ Operands.push_back(std::move(Dst));
+ }
+}
+
std::unique_ptr<X86Operand> X86AsmParser::ParseOperand() {
if (isParsingIntelSyntax())
return ParseIntelOperand();
.Cases("DWORD", "dword", 32)
.Cases("QWORD", "qword", 64)
.Cases("XWORD", "xword", 80)
+ //
+ .Cases("TBYTE", "tbyte", 80)
.Cases("XMMWORD", "xmmword", 128)
.Cases("YMMWORD", "ymmword", 256)
.Cases("ZMMWORD", "zmmword", 512)
case AsmToken::Star: SM.onStar(); break;
case AsmToken::Slash: SM.onDivide(); break;
case AsmToken::Pipe: SM.onOr(); break;
+ case AsmToken::Caret: SM.onXor(); break;
case AsmToken::Amp: SM.onAnd(); break;
case AsmToken::LessLess:
SM.onLShift(); break;
if (Name.startswith("ins") && Operands.size() == 1 &&
(Name == "insb" || Name == "insw" || Name == "insl" ||
Name == "insd" )) {
- if (isParsingIntelSyntax()) {
- Operands.push_back(X86Operand::CreateReg(X86::DX, NameLoc, NameLoc));
- Operands.push_back(DefaultMemDIOperand(NameLoc));
- } else {
- Operands.push_back(X86Operand::CreateReg(X86::DX, NameLoc, NameLoc));
- Operands.push_back(DefaultMemDIOperand(NameLoc));
- }
+ AddDefaultSrcDestOperands(Operands,
+ X86Operand::CreateReg(X86::DX, NameLoc, NameLoc),
+ DefaultMemDIOperand(NameLoc));
}
// Append default arguments to "outs[bwld]"
if (Name.startswith("outs") && Operands.size() == 1 &&
(Name == "outsb" || Name == "outsw" || Name == "outsl" ||
Name == "outsd" )) {
- if (isParsingIntelSyntax()) {
- Operands.push_back(DefaultMemSIOperand(NameLoc));
- Operands.push_back(X86Operand::CreateReg(X86::DX, NameLoc, NameLoc));
- } else {
- Operands.push_back(DefaultMemSIOperand(NameLoc));
- Operands.push_back(X86Operand::CreateReg(X86::DX, NameLoc, NameLoc));
- }
+ AddDefaultSrcDestOperands(Operands,
+ DefaultMemSIOperand(NameLoc),
+ X86Operand::CreateReg(X86::DX, NameLoc, NameLoc));
}
// Transform "lods[bwlq]" into "lods[bwlq] ($SIREG)" for appropriate
(Name == "cmps" || Name == "cmpsb" || Name == "cmpsw" ||
Name == "cmpsl" || Name == "cmpsd" || Name == "cmpsq")) {
if (Operands.size() == 1) {
- if (isParsingIntelSyntax()) {
- Operands.push_back(DefaultMemSIOperand(NameLoc));
- Operands.push_back(DefaultMemDIOperand(NameLoc));
- } else {
- Operands.push_back(DefaultMemDIOperand(NameLoc));
- Operands.push_back(DefaultMemSIOperand(NameLoc));
- }
+ AddDefaultSrcDestOperands(Operands,
+ DefaultMemDIOperand(NameLoc),
+ DefaultMemSIOperand(NameLoc));
} else if (Operands.size() == 3) {
X86Operand &Op = (X86Operand &)*Operands[1];
X86Operand &Op2 = (X86Operand &)*Operands[2];
if (Operands.size() == 1) {
if (Name == "movsd")
Operands.back() = X86Operand::CreateToken("movsl", NameLoc);
- if (isParsingIntelSyntax()) {
- Operands.push_back(DefaultMemDIOperand(NameLoc));
- Operands.push_back(DefaultMemSIOperand(NameLoc));
- } else {
- Operands.push_back(DefaultMemSIOperand(NameLoc));
- Operands.push_back(DefaultMemDIOperand(NameLoc));
- }
+ AddDefaultSrcDestOperands(Operands,
+ DefaultMemSIOperand(NameLoc),
+ DefaultMemDIOperand(NameLoc));
} else if (Operands.size() == 3) {
X86Operand &Op = (X86Operand &)*Operands[1];
X86Operand &Op2 = (X86Operand &)*Operands[2];
// instalias with an immediate operand yet.
if (Name == "int" && Operands.size() == 2) {
X86Operand &Op1 = static_cast<X86Operand &>(*Operands[1]);
- if (Op1.isImm() && isa<MCConstantExpr>(Op1.getImm()) &&
- cast<MCConstantExpr>(Op1.getImm())->getValue() == 3) {
- Operands.erase(Operands.begin() + 1);
- static_cast<X86Operand &>(*Operands[0]).setTokenValue("int3");
- }
+ if (Op1.isImm())
+ if (auto *CE = dyn_cast<MCConstantExpr>(Op1.getImm()))
+ if (CE->getValue() == 3) {
+ Operands.erase(Operands.begin() + 1);
+ static_cast<X86Operand &>(*Operands[0]).setTokenValue("int3");
+ }
}
return false;
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