SmallVectorImpl<MCParsedAsmOperand*>&);
OperandMatchResultTy parseCoprocRegOperand(
SmallVectorImpl<MCParsedAsmOperand*>&);
+ OperandMatchResultTy parseCoprocOptionOperand(
+ SmallVectorImpl<MCParsedAsmOperand*>&);
OperandMatchResultTy parseMemBarrierOptOperand(
SmallVectorImpl<MCParsedAsmOperand*>&);
OperandMatchResultTy parseProcIFlagsOperand(
k_ITCondMask,
k_CoprocNum,
k_CoprocReg,
+ k_CoprocOption,
k_Immediate,
k_FPImmediate,
k_MemBarrierOpt,
unsigned Val;
} Cop;
+ struct {
+ unsigned Val;
+ } CoprocOption;
+
struct {
unsigned Mask:4;
} ITMask;
case k_CoprocReg:
Cop = o.Cop;
break;
+ case k_CoprocOption:
+ CoprocOption = o.CoprocOption;
+ break;
case k_Immediate:
Imm = o.Imm;
break;
bool isCoprocNum() const { return Kind == k_CoprocNum; }
bool isCoprocReg() const { return Kind == k_CoprocReg; }
+ bool isCoprocOption() const { return Kind == k_CoprocOption; }
bool isCondCode() const { return Kind == k_CondCode; }
bool isCCOut() const { return Kind == k_CCOut; }
bool isITMask() const { return Kind == k_ITCondMask; }
bool isMSRMask() const { return Kind == k_MSRMask; }
bool isProcIFlags() const { return Kind == k_ProcIFlags; }
+ // NEON operands.
bool isVectorIndex8() const {
if (Kind != k_VectorIndex) return false;
return VectorIndex.Val < 8;
return VectorIndex.Val < 2;
}
+ bool isNEONi8splat() const {
+ if (Kind != k_Immediate)
+ return false;
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
+ // Must be a constant.
+ if (!CE) return false;
+ int64_t Value = CE->getValue();
+ // i8 value splatted across 8 bytes. The immediate is just the 8 byte
+ // value.
+ return Value >= 0 && Value < 256;
+ }
+ bool isNEONi16splat() const {
+ if (Kind != k_Immediate)
+ return false;
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
+ // Must be a constant.
+ if (!CE) return false;
+ int64_t Value = CE->getValue();
+ // i16 value in the range [0,255] or [0x0100, 0xff00]
+ return (Value >= 0 && Value < 256) || (Value >= 0x0100 && Value <= 0xff00);
+ }
void addExpr(MCInst &Inst, const MCExpr *Expr) const {
// Add as immediates when possible. Null MCExpr = 0.
Inst.addOperand(MCOperand::CreateImm(getCoproc()));
}
+ void addCoprocRegOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ Inst.addOperand(MCOperand::CreateImm(getCoproc()));
+ }
+
+ void addCoprocOptionOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ Inst.addOperand(MCOperand::CreateImm(CoprocOption.Val));
+ }
+
void addITMaskOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateImm(ITMask.Mask));
Inst.addOperand(MCOperand::CreateImm(unsigned(getCondCode())));
}
- void addCoprocRegOperands(MCInst &Inst, unsigned N) const {
- assert(N == 1 && "Invalid number of operands!");
- Inst.addOperand(MCOperand::CreateImm(getCoproc()));
- }
-
void addCCOutOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(getReg()));
Inst.addOperand(MCOperand::CreateImm(getVectorIndex()));
}
+ void addNEONi8splatOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ // The immediate encodes the type of constant as well as the value.
+ // Mask in that this is an i8 splat.
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
+ Inst.addOperand(MCOperand::CreateImm(CE->getValue() | 0xe00));
+ }
+
+ void addNEONi16splatOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ // The immediate encodes the type of constant as well as the value.
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
+ unsigned Value = CE->getValue();
+ if (Value >= 256)
+ Value = (Value >> 8) | 0xa00;
+ else
+ Value |= 0x800;
+ Inst.addOperand(MCOperand::CreateImm(Value));
+ }
+
virtual void print(raw_ostream &OS) const;
static ARMOperand *CreateITMask(unsigned Mask, SMLoc S) {
return Op;
}
+ static ARMOperand *CreateCoprocOption(unsigned Val, SMLoc S, SMLoc E) {
+ ARMOperand *Op = new ARMOperand(k_CoprocOption);
+ Op->Cop.Val = Val;
+ Op->StartLoc = S;
+ Op->EndLoc = E;
+ return Op;
+ }
+
static ARMOperand *CreateCCOut(unsigned RegNum, SMLoc S) {
ARMOperand *Op = new ARMOperand(k_CCOut);
Op->Reg.RegNum = RegNum;
case k_CoprocReg:
OS << "<coprocessor register: " << getCoproc() << ">";
break;
+ case k_CoprocOption:
+ OS << "<coprocessor option: " << CoprocOption.Val << ">";
+ break;
case k_MSRMask:
OS << "<mask: " << getMSRMask() << ">";
break;
Parser.Lex(); // Eat left bracket token.
const MCExpr *ImmVal;
- SMLoc ExprLoc = Parser.getTok().getLoc();
if (getParser().ParseExpression(ImmVal))
return MatchOperand_ParseFail;
const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(ImmVal);
Parser.Lex(); // Eat left bracket token.
const MCExpr *ImmVal;
- SMLoc ExprLoc = Parser.getTok().getLoc();
if (getParser().ParseExpression(ImmVal))
return MatchOperand_ParseFail;
const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(ImmVal);
parseCoprocNumOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
SMLoc S = Parser.getTok().getLoc();
const AsmToken &Tok = Parser.getTok();
- assert(Tok.is(AsmToken::Identifier) && "Token is not an Identifier");
+ if (Tok.isNot(AsmToken::Identifier))
+ return MatchOperand_NoMatch;
int Num = MatchCoprocessorOperandName(Tok.getString(), 'p');
if (Num == -1)
parseCoprocRegOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
SMLoc S = Parser.getTok().getLoc();
const AsmToken &Tok = Parser.getTok();
- assert(Tok.is(AsmToken::Identifier) && "Token is not an Identifier");
+ if (Tok.isNot(AsmToken::Identifier))
+ return MatchOperand_NoMatch;
int Reg = MatchCoprocessorOperandName(Tok.getString(), 'c');
if (Reg == -1)
return MatchOperand_Success;
}
+/// parseCoprocOptionOperand - Try to parse an coprocessor option operand.
+/// coproc_option : '{' imm0_255 '}'
+ARMAsmParser::OperandMatchResultTy ARMAsmParser::
+parseCoprocOptionOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+ SMLoc S = Parser.getTok().getLoc();
+
+ // If this isn't a '{', this isn't a coprocessor immediate operand.
+ if (Parser.getTok().isNot(AsmToken::LCurly))
+ return MatchOperand_NoMatch;
+ Parser.Lex(); // Eat the '{'
+
+ const MCExpr *Expr;
+ SMLoc Loc = Parser.getTok().getLoc();
+ if (getParser().ParseExpression(Expr)) {
+ Error(Loc, "illegal expression");
+ return MatchOperand_ParseFail;
+ }
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr);
+ if (!CE || CE->getValue() < 0 || CE->getValue() > 255) {
+ Error(Loc, "coprocessor option must be an immediate in range [0, 255]");
+ return MatchOperand_ParseFail;
+ }
+ int Val = CE->getValue();
+
+ // Check for and consume the closing '}'
+ if (Parser.getTok().isNot(AsmToken::RCurly))
+ return MatchOperand_ParseFail;
+ SMLoc E = Parser.getTok().getLoc();
+ Parser.Lex(); // Eat the '}'
+
+ Operands.push_back(ARMOperand::CreateCoprocOption(Val, S, E));
+ return MatchOperand_Success;
+}
+
// For register list parsing, we need to map from raw GPR register numbering
// to the enumeration values. The enumeration values aren't sorted by
// register number due to our using "sp", "lr" and "pc" as canonical names.
if (Parser.getTok().isNot(AsmToken::Hash))
return MatchOperand_NoMatch;
+
+ // Disambiguate the VMOV forms that can accept an FP immediate.
+ // vmov.f32 <sreg>, #imm
+ // vmov.f64 <dreg>, #imm
+ // vmov.f32 <dreg>, #imm @ vector f32x2
+ // vmov.f32 <qreg>, #imm @ vector f32x4
+ //
+ // There are also the NEON VMOV instructions which expect an
+ // integer constant. Make sure we don't try to parse an FPImm
+ // for these:
+ // vmov.i{8|16|32|64} <dreg|qreg>, #imm
+ ARMOperand *TyOp = static_cast<ARMOperand*>(Operands[2]);
+ if (!TyOp->isToken() || (TyOp->getToken() != ".f32" &&
+ TyOp->getToken() != ".f64"))
+ return MatchOperand_NoMatch;
+
Parser.Lex(); // Eat the '#'.
// Handle negation, as that still comes through as a separate token.
projects / oota-llvm.git / blobdiff