#include "MCTargetDesc/PPCMCTargetDesc.h"
#include "MCTargetDesc/PPCMCExpr.h"
-#include "llvm/MC/MCTargetAsmParser.h"
-#include "llvm/MC/MCStreamer.h"
+#include "PPCTargetStreamer.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Twine.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/MC/MCTargetAsmParser.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
-namespace {
-
-static unsigned RRegs[32] = {
+static const MCPhysReg RRegs[32] = {
PPC::R0, PPC::R1, PPC::R2, PPC::R3,
PPC::R4, PPC::R5, PPC::R6, PPC::R7,
PPC::R8, PPC::R9, PPC::R10, PPC::R11,
PPC::R24, PPC::R25, PPC::R26, PPC::R27,
PPC::R28, PPC::R29, PPC::R30, PPC::R31
};
-static unsigned RRegsNoR0[32] = {
+static const MCPhysReg RRegsNoR0[32] = {
PPC::ZERO,
PPC::R1, PPC::R2, PPC::R3,
PPC::R4, PPC::R5, PPC::R6, PPC::R7,
PPC::R24, PPC::R25, PPC::R26, PPC::R27,
PPC::R28, PPC::R29, PPC::R30, PPC::R31
};
-static unsigned XRegs[32] = {
+static const MCPhysReg XRegs[32] = {
PPC::X0, PPC::X1, PPC::X2, PPC::X3,
PPC::X4, PPC::X5, PPC::X6, PPC::X7,
PPC::X8, PPC::X9, PPC::X10, PPC::X11,
PPC::X24, PPC::X25, PPC::X26, PPC::X27,
PPC::X28, PPC::X29, PPC::X30, PPC::X31
};
-static unsigned XRegsNoX0[32] = {
+static const MCPhysReg XRegsNoX0[32] = {
PPC::ZERO8,
PPC::X1, PPC::X2, PPC::X3,
PPC::X4, PPC::X5, PPC::X6, PPC::X7,
PPC::X24, PPC::X25, PPC::X26, PPC::X27,
PPC::X28, PPC::X29, PPC::X30, PPC::X31
};
-static unsigned FRegs[32] = {
+static const MCPhysReg FRegs[32] = {
PPC::F0, PPC::F1, PPC::F2, PPC::F3,
PPC::F4, PPC::F5, PPC::F6, PPC::F7,
PPC::F8, PPC::F9, PPC::F10, PPC::F11,
PPC::F24, PPC::F25, PPC::F26, PPC::F27,
PPC::F28, PPC::F29, PPC::F30, PPC::F31
};
-static unsigned VRegs[32] = {
+static const MCPhysReg VRegs[32] = {
PPC::V0, PPC::V1, PPC::V2, PPC::V3,
PPC::V4, PPC::V5, PPC::V6, PPC::V7,
PPC::V8, PPC::V9, PPC::V10, PPC::V11,
PPC::V24, PPC::V25, PPC::V26, PPC::V27,
PPC::V28, PPC::V29, PPC::V30, PPC::V31
};
-static unsigned CRBITRegs[32] = {
+static const MCPhysReg VSRegs[64] = {
+ PPC::VSL0, PPC::VSL1, PPC::VSL2, PPC::VSL3,
+ PPC::VSL4, PPC::VSL5, PPC::VSL6, PPC::VSL7,
+ PPC::VSL8, PPC::VSL9, PPC::VSL10, PPC::VSL11,
+ PPC::VSL12, PPC::VSL13, PPC::VSL14, PPC::VSL15,
+ PPC::VSL16, PPC::VSL17, PPC::VSL18, PPC::VSL19,
+ PPC::VSL20, PPC::VSL21, PPC::VSL22, PPC::VSL23,
+ PPC::VSL24, PPC::VSL25, PPC::VSL26, PPC::VSL27,
+ PPC::VSL28, PPC::VSL29, PPC::VSL30, PPC::VSL31,
+
+ PPC::VSH0, PPC::VSH1, PPC::VSH2, PPC::VSH3,
+ PPC::VSH4, PPC::VSH5, PPC::VSH6, PPC::VSH7,
+ PPC::VSH8, PPC::VSH9, PPC::VSH10, PPC::VSH11,
+ PPC::VSH12, PPC::VSH13, PPC::VSH14, PPC::VSH15,
+ PPC::VSH16, PPC::VSH17, PPC::VSH18, PPC::VSH19,
+ PPC::VSH20, PPC::VSH21, PPC::VSH22, PPC::VSH23,
+ PPC::VSH24, PPC::VSH25, PPC::VSH26, PPC::VSH27,
+ PPC::VSH28, PPC::VSH29, PPC::VSH30, PPC::VSH31
+};
+static const MCPhysReg VSFRegs[64] = {
+ PPC::F0, PPC::F1, PPC::F2, PPC::F3,
+ PPC::F4, PPC::F5, PPC::F6, PPC::F7,
+ PPC::F8, PPC::F9, PPC::F10, PPC::F11,
+ PPC::F12, PPC::F13, PPC::F14, PPC::F15,
+ PPC::F16, PPC::F17, PPC::F18, PPC::F19,
+ PPC::F20, PPC::F21, PPC::F22, PPC::F23,
+ PPC::F24, PPC::F25, PPC::F26, PPC::F27,
+ PPC::F28, PPC::F29, PPC::F30, PPC::F31,
+
+ PPC::VF0, PPC::VF1, PPC::VF2, PPC::VF3,
+ PPC::VF4, PPC::VF5, PPC::VF6, PPC::VF7,
+ PPC::VF8, PPC::VF9, PPC::VF10, PPC::VF11,
+ PPC::VF12, PPC::VF13, PPC::VF14, PPC::VF15,
+ PPC::VF16, PPC::VF17, PPC::VF18, PPC::VF19,
+ PPC::VF20, PPC::VF21, PPC::VF22, PPC::VF23,
+ PPC::VF24, PPC::VF25, PPC::VF26, PPC::VF27,
+ PPC::VF28, PPC::VF29, PPC::VF30, PPC::VF31
+};
+static unsigned QFRegs[32] = {
+ PPC::QF0, PPC::QF1, PPC::QF2, PPC::QF3,
+ PPC::QF4, PPC::QF5, PPC::QF6, PPC::QF7,
+ PPC::QF8, PPC::QF9, PPC::QF10, PPC::QF11,
+ PPC::QF12, PPC::QF13, PPC::QF14, PPC::QF15,
+ PPC::QF16, PPC::QF17, PPC::QF18, PPC::QF19,
+ PPC::QF20, PPC::QF21, PPC::QF22, PPC::QF23,
+ PPC::QF24, PPC::QF25, PPC::QF26, PPC::QF27,
+ PPC::QF28, PPC::QF29, PPC::QF30, PPC::QF31
+};
+static const MCPhysReg CRBITRegs[32] = {
PPC::CR0LT, PPC::CR0GT, PPC::CR0EQ, PPC::CR0UN,
PPC::CR1LT, PPC::CR1GT, PPC::CR1EQ, PPC::CR1UN,
PPC::CR2LT, PPC::CR2GT, PPC::CR2EQ, PPC::CR2UN,
PPC::CR6LT, PPC::CR6GT, PPC::CR6EQ, PPC::CR6UN,
PPC::CR7LT, PPC::CR7GT, PPC::CR7EQ, PPC::CR7UN
};
-static unsigned CRRegs[8] = {
+static const MCPhysReg CRRegs[8] = {
PPC::CR0, PPC::CR1, PPC::CR2, PPC::CR3,
PPC::CR4, PPC::CR5, PPC::CR6, PPC::CR7
};
+// Evaluate an expression containing condition register
+// or condition register field symbols. Returns positive
+// value on success, or -1 on error.
+static int64_t
+EvaluateCRExpr(const MCExpr *E) {
+ switch (E->getKind()) {
+ case MCExpr::Target:
+ return -1;
+
+ case MCExpr::Constant: {
+ int64_t Res = cast<MCConstantExpr>(E)->getValue();
+ return Res < 0 ? -1 : Res;
+ }
+
+ case MCExpr::SymbolRef: {
+ const MCSymbolRefExpr *SRE = cast<MCSymbolRefExpr>(E);
+ StringRef Name = SRE->getSymbol().getName();
+
+ if (Name == "lt") return 0;
+ if (Name == "gt") return 1;
+ if (Name == "eq") return 2;
+ if (Name == "so") return 3;
+ if (Name == "un") return 3;
+
+ if (Name == "cr0") return 0;
+ if (Name == "cr1") return 1;
+ if (Name == "cr2") return 2;
+ if (Name == "cr3") return 3;
+ if (Name == "cr4") return 4;
+ if (Name == "cr5") return 5;
+ if (Name == "cr6") return 6;
+ if (Name == "cr7") return 7;
+
+ return -1;
+ }
+
+ case MCExpr::Unary:
+ return -1;
+
+ case MCExpr::Binary: {
+ const MCBinaryExpr *BE = cast<MCBinaryExpr>(E);
+ int64_t LHSVal = EvaluateCRExpr(BE->getLHS());
+ int64_t RHSVal = EvaluateCRExpr(BE->getRHS());
+ int64_t Res;
+
+ if (LHSVal < 0 || RHSVal < 0)
+ return -1;
+
+ switch (BE->getOpcode()) {
+ default: return -1;
+ case MCBinaryExpr::Add: Res = LHSVal + RHSVal; break;
+ case MCBinaryExpr::Mul: Res = LHSVal * RHSVal; break;
+ }
+
+ return Res < 0 ? -1 : Res;
+ }
+ }
+
+ llvm_unreachable("Invalid expression kind!");
+}
+
+namespace {
+
struct PPCOperand;
class PPCAsmParser : public MCTargetAsmParser {
MCSubtargetInfo &STI;
- MCAsmParser &Parser;
+ const MCInstrInfo &MII;
bool IsPPC64;
+ bool IsDarwin;
- MCAsmParser &getParser() const { return Parser; }
- MCAsmLexer &getLexer() const { return Parser.getLexer(); }
-
- void Warning(SMLoc L, const Twine &Msg) { Parser.Warning(L, Msg); }
- bool Error(SMLoc L, const Twine &Msg) { return Parser.Error(L, Msg); }
+ void Warning(SMLoc L, const Twine &Msg) { getParser().Warning(L, Msg); }
+ bool Error(SMLoc L, const Twine &Msg) { return getParser().Error(L, Msg); }
bool isPPC64() const { return IsPPC64; }
+ bool isDarwin() const { return IsDarwin; }
bool MatchRegisterName(const AsmToken &Tok,
unsigned &RegNo, int64_t &IntVal);
- virtual bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc);
+ bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) override;
const MCExpr *ExtractModifierFromExpr(const MCExpr *E,
PPCMCExpr::VariantKind &Variant);
+ const MCExpr *FixupVariantKind(const MCExpr *E);
bool ParseExpression(const MCExpr *&EVal);
+ bool ParseDarwinExpression(const MCExpr *&EVal);
- bool ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+ bool ParseOperand(OperandVector &Operands);
bool ParseDirectiveWord(unsigned Size, SMLoc L);
bool ParseDirectiveTC(unsigned Size, SMLoc L);
+ bool ParseDirectiveMachine(SMLoc L);
+ bool ParseDarwinDirectiveMachine(SMLoc L);
+ bool ParseDirectiveAbiVersion(SMLoc L);
+ bool ParseDirectiveLocalEntry(SMLoc L);
bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
- SmallVectorImpl<MCParsedAsmOperand*> &Operands,
- MCStreamer &Out, unsigned &ErrorInfo,
- bool MatchingInlineAsm);
+ OperandVector &Operands, MCStreamer &Out,
+ uint64_t &ErrorInfo,
+ bool MatchingInlineAsm) override;
- void ProcessInstruction(MCInst &Inst,
- const SmallVectorImpl<MCParsedAsmOperand*> &Ops);
+ void ProcessInstruction(MCInst &Inst, const OperandVector &Ops);
/// @name Auto-generated Match Functions
/// {
public:
- PPCAsmParser(MCSubtargetInfo &_STI, MCAsmParser &_Parser)
- : MCTargetAsmParser(), STI(_STI), Parser(_Parser) {
+ PPCAsmParser(MCSubtargetInfo &_STI, MCAsmParser &_Parser,
+ const MCInstrInfo &_MII, const MCTargetOptions &Options)
+ : MCTargetAsmParser(), STI(_STI), MII(_MII) {
// Check for 64-bit vs. 32-bit pointer mode.
Triple TheTriple(STI.getTargetTriple());
- IsPPC64 = TheTriple.getArch() == Triple::ppc64;
+ IsPPC64 = (TheTriple.getArch() == Triple::ppc64 ||
+ TheTriple.getArch() == Triple::ppc64le);
+ IsDarwin = TheTriple.isMacOSX();
// Initialize the set of available features.
setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
}
- virtual bool ParseInstruction(ParseInstructionInfo &Info,
- StringRef Name, SMLoc NameLoc,
- SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+ bool ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
+ SMLoc NameLoc, OperandVector &Operands) override;
+
+ bool ParseDirective(AsmToken DirectiveID) override;
+
+ unsigned validateTargetOperandClass(MCParsedAsmOperand &Op,
+ unsigned Kind) override;
- virtual bool ParseDirective(AsmToken DirectiveID);
+ const MCExpr *applyModifierToExpr(const MCExpr *E,
+ MCSymbolRefExpr::VariantKind,
+ MCContext &Ctx) override;
};
/// PPCOperand - Instances of this class represent a parsed PowerPC machine
enum KindTy {
Token,
Immediate,
- Expression
+ ContextImmediate,
+ Expression,
+ TLSRegister
} Kind;
SMLoc StartLoc, EndLoc;
struct ExprOp {
const MCExpr *Val;
+ int64_t CRVal; // Cached result of EvaluateCRExpr(Val)
+ };
+
+ struct TLSRegOp {
+ const MCSymbolRefExpr *Sym;
};
union {
struct TokOp Tok;
struct ImmOp Imm;
struct ExprOp Expr;
+ struct TLSRegOp TLSReg;
};
PPCOperand(KindTy K) : MCParsedAsmOperand(), Kind(K) {}
Tok = o.Tok;
break;
case Immediate:
+ case ContextImmediate:
Imm = o.Imm;
break;
case Expression:
Expr = o.Expr;
break;
+ case TLSRegister:
+ TLSReg = o.TLSReg;
+ break;
}
}
/// getStartLoc - Get the location of the first token of this operand.
- SMLoc getStartLoc() const { return StartLoc; }
+ SMLoc getStartLoc() const override { return StartLoc; }
/// getEndLoc - Get the location of the last token of this operand.
- SMLoc getEndLoc() const { return EndLoc; }
+ SMLoc getEndLoc() const override { return EndLoc; }
/// isPPC64 - True if this operand is for an instruction in 64-bit mode.
bool isPPC64() const { return IsPPC64; }
assert(Kind == Immediate && "Invalid access!");
return Imm.Val;
}
+ int64_t getImmS16Context() const {
+ assert((Kind == Immediate || Kind == ContextImmediate) && "Invalid access!");
+ if (Kind == Immediate)
+ return Imm.Val;
+ return static_cast<int16_t>(Imm.Val);
+ }
+ int64_t getImmU16Context() const {
+ assert((Kind == Immediate || Kind == ContextImmediate) && "Invalid access!");
+ return Imm.Val;
+ }
const MCExpr *getExpr() const {
assert(Kind == Expression && "Invalid access!");
return Expr.Val;
}
- unsigned getReg() const {
+ int64_t getExprCRVal() const {
+ assert(Kind == Expression && "Invalid access!");
+ return Expr.CRVal;
+ }
+
+ const MCExpr *getTLSReg() const {
+ assert(Kind == TLSRegister && "Invalid access!");
+ return TLSReg.Sym;
+ }
+
+ unsigned getReg() const override {
assert(isRegNumber() && "Invalid access!");
return (unsigned) Imm.Val;
}
+ unsigned getVSReg() const {
+ assert(isVSRegNumber() && "Invalid access!");
+ return (unsigned) Imm.Val;
+ }
+
unsigned getCCReg() const {
assert(isCCRegNumber() && "Invalid access!");
- return (unsigned) Imm.Val;
+ return (unsigned) (Kind == Immediate ? Imm.Val : Expr.CRVal);
+ }
+
+ unsigned getCRBit() const {
+ assert(isCRBitNumber() && "Invalid access!");
+ return (unsigned) (Kind == Immediate ? Imm.Val : Expr.CRVal);
}
unsigned getCRBitMask() const {
return 7 - countTrailingZeros<uint64_t>(Imm.Val);
}
- bool isToken() const { return Kind == Token; }
- bool isImm() const { return Kind == Immediate || Kind == Expression; }
+ bool isToken() const override { return Kind == Token; }
+ bool isImm() const override { return Kind == Immediate || Kind == Expression; }
+ bool isU1Imm() const { return Kind == Immediate && isUInt<1>(getImm()); }
+ bool isU2Imm() const { return Kind == Immediate && isUInt<2>(getImm()); }
+ bool isU4Imm() const { return Kind == Immediate && isUInt<4>(getImm()); }
bool isU5Imm() const { return Kind == Immediate && isUInt<5>(getImm()); }
bool isS5Imm() const { return Kind == Immediate && isInt<5>(getImm()); }
bool isU6Imm() const { return Kind == Immediate && isUInt<6>(getImm()); }
- bool isU16Imm() const { return Kind == Expression ||
- (Kind == Immediate && isUInt<16>(getImm())); }
- bool isS16Imm() const { return Kind == Expression ||
- (Kind == Immediate && isInt<16>(getImm())); }
+ bool isU6ImmX2() const { return Kind == Immediate &&
+ isUInt<6>(getImm()) &&
+ (getImm() & 1) == 0; }
+ bool isU7ImmX4() const { return Kind == Immediate &&
+ isUInt<7>(getImm()) &&
+ (getImm() & 3) == 0; }
+ bool isU8ImmX8() const { return Kind == Immediate &&
+ isUInt<8>(getImm()) &&
+ (getImm() & 7) == 0; }
+ bool isU12Imm() const { return Kind == Immediate && isUInt<12>(getImm()); }
+ bool isU16Imm() const {
+ switch (Kind) {
+ case Expression:
+ return true;
+ case Immediate:
+ case ContextImmediate:
+ return isUInt<16>(getImmU16Context());
+ default:
+ return false;
+ }
+ }
+ bool isS16Imm() const {
+ switch (Kind) {
+ case Expression:
+ return true;
+ case Immediate:
+ case ContextImmediate:
+ return isInt<16>(getImmS16Context());
+ default:
+ return false;
+ }
+ }
bool isS16ImmX4() const { return Kind == Expression ||
(Kind == Immediate && isInt<16>(getImm()) &&
(getImm() & 3) == 0); }
- bool isDirectBr() const { return Kind == Expression ||
- (Kind == Immediate && isInt<26>(getImm()) &&
- (getImm() & 3) == 0); }
+ bool isS17Imm() const {
+ switch (Kind) {
+ case Expression:
+ return true;
+ case Immediate:
+ case ContextImmediate:
+ return isInt<17>(getImmS16Context());
+ default:
+ return false;
+ }
+ }
+ bool isTLSReg() const { return Kind == TLSRegister; }
+ bool isDirectBr() const {
+ if (Kind == Expression)
+ return true;
+ if (Kind != Immediate)
+ return false;
+ // Operand must be 64-bit aligned, signed 27-bit immediate.
+ if ((getImm() & 3) != 0)
+ return false;
+ if (isInt<26>(getImm()))
+ return true;
+ if (!IsPPC64) {
+ // In 32-bit mode, large 32-bit quantities wrap around.
+ if (isUInt<32>(getImm()) && isInt<26>(static_cast<int32_t>(getImm())))
+ return true;
+ }
+ return false;
+ }
bool isCondBr() const { return Kind == Expression ||
(Kind == Immediate && isInt<16>(getImm()) &&
(getImm() & 3) == 0); }
bool isRegNumber() const { return Kind == Immediate && isUInt<5>(getImm()); }
- bool isCCRegNumber() const { return Kind == Immediate &&
- isUInt<3>(getImm()); }
+ bool isVSRegNumber() const { return Kind == Immediate && isUInt<6>(getImm()); }
+ bool isCCRegNumber() const { return (Kind == Expression
+ && isUInt<3>(getExprCRVal())) ||
+ (Kind == Immediate
+ && isUInt<3>(getImm())); }
+ bool isCRBitNumber() const { return (Kind == Expression
+ && isUInt<5>(getExprCRVal())) ||
+ (Kind == Immediate
+ && isUInt<5>(getImm())); }
bool isCRBitMask() const { return Kind == Immediate && isUInt<8>(getImm()) &&
isPowerOf2_32(getImm()); }
- bool isMem() const { return false; }
- bool isReg() const { return false; }
+ bool isMem() const override { return false; }
+ bool isReg() const override { return false; }
void addRegOperands(MCInst &Inst, unsigned N) const {
llvm_unreachable("addRegOperands");
Inst.addOperand(MCOperand::CreateReg(VRegs[getReg()]));
}
+ void addRegVSRCOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ Inst.addOperand(MCOperand::CreateReg(VSRegs[getVSReg()]));
+ }
+
+ void addRegVSFRCOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ Inst.addOperand(MCOperand::CreateReg(VSFRegs[getVSReg()]));
+ }
+
+ void addRegQFRCOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ Inst.addOperand(MCOperand::CreateReg(QFRegs[getReg()]));
+ }
+
+ void addRegQSRCOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ Inst.addOperand(MCOperand::CreateReg(QFRegs[getReg()]));
+ }
+
+ void addRegQBRCOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ Inst.addOperand(MCOperand::CreateReg(QFRegs[getReg()]));
+ }
+
void addRegCRBITRCOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
- Inst.addOperand(MCOperand::CreateReg(CRBITRegs[getReg()]));
+ Inst.addOperand(MCOperand::CreateReg(CRBITRegs[getCRBit()]));
}
void addRegCRRCOperands(MCInst &Inst, unsigned N) const {
Inst.addOperand(MCOperand::CreateExpr(getExpr()));
}
+ void addS16ImmOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ switch (Kind) {
+ case Immediate:
+ Inst.addOperand(MCOperand::CreateImm(getImm()));
+ break;
+ case ContextImmediate:
+ Inst.addOperand(MCOperand::CreateImm(getImmS16Context()));
+ break;
+ default:
+ Inst.addOperand(MCOperand::CreateExpr(getExpr()));
+ break;
+ }
+ }
+
+ void addU16ImmOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ switch (Kind) {
+ case Immediate:
+ Inst.addOperand(MCOperand::CreateImm(getImm()));
+ break;
+ case ContextImmediate:
+ Inst.addOperand(MCOperand::CreateImm(getImmU16Context()));
+ break;
+ default:
+ Inst.addOperand(MCOperand::CreateExpr(getExpr()));
+ break;
+ }
+ }
+
void addBranchTargetOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
if (Kind == Immediate)
Inst.addOperand(MCOperand::CreateExpr(getExpr()));
}
+ void addTLSRegOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ Inst.addOperand(MCOperand::CreateExpr(getTLSReg()));
+ }
+
StringRef getToken() const {
assert(Kind == Token && "Invalid access!");
return StringRef(Tok.Data, Tok.Length);
}
- virtual void print(raw_ostream &OS) const;
+ void print(raw_ostream &OS) const override;
- static PPCOperand *CreateToken(StringRef Str, SMLoc S, bool IsPPC64) {
- PPCOperand *Op = new PPCOperand(Token);
+ static std::unique_ptr<PPCOperand> CreateToken(StringRef Str, SMLoc S,
+ bool IsPPC64) {
+ auto Op = make_unique<PPCOperand>(Token);
Op->Tok.Data = Str.data();
Op->Tok.Length = Str.size();
Op->StartLoc = S;
return Op;
}
- static PPCOperand *CreateImm(int64_t Val, SMLoc S, SMLoc E, bool IsPPC64) {
- PPCOperand *Op = new PPCOperand(Immediate);
+ static std::unique_ptr<PPCOperand>
+ CreateTokenWithStringCopy(StringRef Str, SMLoc S, bool IsPPC64) {
+ // Allocate extra memory for the string and copy it.
+ // FIXME: This is incorrect, Operands are owned by unique_ptr with a default
+ // deleter which will destroy them by simply using "delete", not correctly
+ // calling operator delete on this extra memory after calling the dtor
+ // explicitly.
+ void *Mem = ::operator new(sizeof(PPCOperand) + Str.size());
+ std::unique_ptr<PPCOperand> Op(new (Mem) PPCOperand(Token));
+ Op->Tok.Data = reinterpret_cast<const char *>(Op.get() + 1);
+ Op->Tok.Length = Str.size();
+ std::memcpy(const_cast<char *>(Op->Tok.Data), Str.data(), Str.size());
+ Op->StartLoc = S;
+ Op->EndLoc = S;
+ Op->IsPPC64 = IsPPC64;
+ return Op;
+ }
+
+ static std::unique_ptr<PPCOperand> CreateImm(int64_t Val, SMLoc S, SMLoc E,
+ bool IsPPC64) {
+ auto Op = make_unique<PPCOperand>(Immediate);
Op->Imm.Val = Val;
Op->StartLoc = S;
Op->EndLoc = E;
return Op;
}
- static PPCOperand *CreateExpr(const MCExpr *Val,
- SMLoc S, SMLoc E, bool IsPPC64) {
- PPCOperand *Op = new PPCOperand(Expression);
+ static std::unique_ptr<PPCOperand> CreateExpr(const MCExpr *Val, SMLoc S,
+ SMLoc E, bool IsPPC64) {
+ auto Op = make_unique<PPCOperand>(Expression);
Op->Expr.Val = Val;
+ Op->Expr.CRVal = EvaluateCRExpr(Val);
+ Op->StartLoc = S;
+ Op->EndLoc = E;
+ Op->IsPPC64 = IsPPC64;
+ return Op;
+ }
+
+ static std::unique_ptr<PPCOperand>
+ CreateTLSReg(const MCSymbolRefExpr *Sym, SMLoc S, SMLoc E, bool IsPPC64) {
+ auto Op = make_unique<PPCOperand>(TLSRegister);
+ Op->TLSReg.Sym = Sym;
+ Op->StartLoc = S;
+ Op->EndLoc = E;
+ Op->IsPPC64 = IsPPC64;
+ return Op;
+ }
+
+ static std::unique_ptr<PPCOperand>
+ CreateContextImm(int64_t Val, SMLoc S, SMLoc E, bool IsPPC64) {
+ auto Op = make_unique<PPCOperand>(ContextImmediate);
+ Op->Imm.Val = Val;
Op->StartLoc = S;
Op->EndLoc = E;
Op->IsPPC64 = IsPPC64;
return Op;
}
+
+ static std::unique_ptr<PPCOperand>
+ CreateFromMCExpr(const MCExpr *Val, SMLoc S, SMLoc E, bool IsPPC64) {
+ if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Val))
+ return CreateImm(CE->getValue(), S, E, IsPPC64);
+
+ if (const MCSymbolRefExpr *SRE = dyn_cast<MCSymbolRefExpr>(Val))
+ if (SRE->getKind() == MCSymbolRefExpr::VK_PPC_TLS)
+ return CreateTLSReg(SRE, S, E, IsPPC64);
+
+ if (const PPCMCExpr *TE = dyn_cast<PPCMCExpr>(Val)) {
+ int64_t Res;
+ if (TE->EvaluateAsConstant(Res))
+ return CreateContextImm(Res, S, E, IsPPC64);
+ }
+
+ return CreateExpr(Val, S, E, IsPPC64);
+ }
};
} // end anonymous namespace.
OS << "'" << getToken() << "'";
break;
case Immediate:
+ case ContextImmediate:
OS << getImm();
break;
case Expression:
getExpr()->print(OS);
break;
+ case TLSRegister:
+ getTLSReg()->print(OS);
+ break;
}
}
+static void
+addNegOperand(MCInst &Inst, MCOperand &Op, MCContext &Ctx) {
+ if (Op.isImm()) {
+ Inst.addOperand(MCOperand::CreateImm(-Op.getImm()));
+ return;
+ }
+ const MCExpr *Expr = Op.getExpr();
+ if (const MCUnaryExpr *UnExpr = dyn_cast<MCUnaryExpr>(Expr)) {
+ if (UnExpr->getOpcode() == MCUnaryExpr::Minus) {
+ Inst.addOperand(MCOperand::CreateExpr(UnExpr->getSubExpr()));
+ return;
+ }
+ } else if (const MCBinaryExpr *BinExpr = dyn_cast<MCBinaryExpr>(Expr)) {
+ if (BinExpr->getOpcode() == MCBinaryExpr::Sub) {
+ const MCExpr *NE = MCBinaryExpr::CreateSub(BinExpr->getRHS(),
+ BinExpr->getLHS(), Ctx);
+ Inst.addOperand(MCOperand::CreateExpr(NE));
+ return;
+ }
+ }
+ Inst.addOperand(MCOperand::CreateExpr(MCUnaryExpr::CreateMinus(Expr, Ctx)));
+}
-void PPCAsmParser::
-ProcessInstruction(MCInst &Inst,
- const SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
- switch (Inst.getOpcode()) {
- case PPC::SLWI: {
+void PPCAsmParser::ProcessInstruction(MCInst &Inst,
+ const OperandVector &Operands) {
+ int Opcode = Inst.getOpcode();
+ switch (Opcode) {
+ case PPC::LAx: {
+ MCInst TmpInst;
+ TmpInst.setOpcode(PPC::LA);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(2));
+ TmpInst.addOperand(Inst.getOperand(1));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::SUBI: {
+ MCInst TmpInst;
+ TmpInst.setOpcode(PPC::ADDI);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ addNegOperand(TmpInst, Inst.getOperand(2), getContext());
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::SUBIS: {
+ MCInst TmpInst;
+ TmpInst.setOpcode(PPC::ADDIS);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ addNegOperand(TmpInst, Inst.getOperand(2), getContext());
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::SUBIC: {
+ MCInst TmpInst;
+ TmpInst.setOpcode(PPC::ADDIC);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ addNegOperand(TmpInst, Inst.getOperand(2), getContext());
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::SUBICo: {
+ MCInst TmpInst;
+ TmpInst.setOpcode(PPC::ADDICo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ addNegOperand(TmpInst, Inst.getOperand(2), getContext());
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::EXTLWI:
+ case PPC::EXTLWIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ int64_t B = Inst.getOperand(3).getImm();
+ TmpInst.setOpcode(Opcode == PPC::EXTLWI? PPC::RLWINM : PPC::RLWINMo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(B));
+ TmpInst.addOperand(MCOperand::CreateImm(0));
+ TmpInst.addOperand(MCOperand::CreateImm(N - 1));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::EXTRWI:
+ case PPC::EXTRWIo: {
MCInst TmpInst;
int64_t N = Inst.getOperand(2).getImm();
- TmpInst.setOpcode(PPC::RLWINM);
+ int64_t B = Inst.getOperand(3).getImm();
+ TmpInst.setOpcode(Opcode == PPC::EXTRWI? PPC::RLWINM : PPC::RLWINMo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(B + N));
+ TmpInst.addOperand(MCOperand::CreateImm(32 - N));
+ TmpInst.addOperand(MCOperand::CreateImm(31));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::INSLWI:
+ case PPC::INSLWIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ int64_t B = Inst.getOperand(3).getImm();
+ TmpInst.setOpcode(Opcode == PPC::INSLWI? PPC::RLWIMI : PPC::RLWIMIo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(32 - B));
+ TmpInst.addOperand(MCOperand::CreateImm(B));
+ TmpInst.addOperand(MCOperand::CreateImm((B + N) - 1));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::INSRWI:
+ case PPC::INSRWIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ int64_t B = Inst.getOperand(3).getImm();
+ TmpInst.setOpcode(Opcode == PPC::INSRWI? PPC::RLWIMI : PPC::RLWIMIo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(32 - (B + N)));
+ TmpInst.addOperand(MCOperand::CreateImm(B));
+ TmpInst.addOperand(MCOperand::CreateImm((B + N) - 1));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::ROTRWI:
+ case PPC::ROTRWIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(Opcode == PPC::ROTRWI? PPC::RLWINM : PPC::RLWINMo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(32 - N));
+ TmpInst.addOperand(MCOperand::CreateImm(0));
+ TmpInst.addOperand(MCOperand::CreateImm(31));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::SLWI:
+ case PPC::SLWIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(Opcode == PPC::SLWI? PPC::RLWINM : PPC::RLWINMo);
TmpInst.addOperand(Inst.getOperand(0));
TmpInst.addOperand(Inst.getOperand(1));
TmpInst.addOperand(MCOperand::CreateImm(N));
Inst = TmpInst;
break;
}
- case PPC::SRWI: {
+ case PPC::SRWI:
+ case PPC::SRWIo: {
MCInst TmpInst;
int64_t N = Inst.getOperand(2).getImm();
- TmpInst.setOpcode(PPC::RLWINM);
+ TmpInst.setOpcode(Opcode == PPC::SRWI? PPC::RLWINM : PPC::RLWINMo);
TmpInst.addOperand(Inst.getOperand(0));
TmpInst.addOperand(Inst.getOperand(1));
TmpInst.addOperand(MCOperand::CreateImm(32 - N));
Inst = TmpInst;
break;
}
- case PPC::SLDI: {
+ case PPC::CLRRWI:
+ case PPC::CLRRWIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(Opcode == PPC::CLRRWI? PPC::RLWINM : PPC::RLWINMo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(0));
+ TmpInst.addOperand(MCOperand::CreateImm(0));
+ TmpInst.addOperand(MCOperand::CreateImm(31 - N));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::CLRLSLWI:
+ case PPC::CLRLSLWIo: {
+ MCInst TmpInst;
+ int64_t B = Inst.getOperand(2).getImm();
+ int64_t N = Inst.getOperand(3).getImm();
+ TmpInst.setOpcode(Opcode == PPC::CLRLSLWI? PPC::RLWINM : PPC::RLWINMo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(N));
+ TmpInst.addOperand(MCOperand::CreateImm(B - N));
+ TmpInst.addOperand(MCOperand::CreateImm(31 - N));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::EXTLDI:
+ case PPC::EXTLDIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ int64_t B = Inst.getOperand(3).getImm();
+ TmpInst.setOpcode(Opcode == PPC::EXTLDI? PPC::RLDICR : PPC::RLDICRo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(B));
+ TmpInst.addOperand(MCOperand::CreateImm(N - 1));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::EXTRDI:
+ case PPC::EXTRDIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ int64_t B = Inst.getOperand(3).getImm();
+ TmpInst.setOpcode(Opcode == PPC::EXTRDI? PPC::RLDICL : PPC::RLDICLo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(B + N));
+ TmpInst.addOperand(MCOperand::CreateImm(64 - N));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::INSRDI:
+ case PPC::INSRDIo: {
MCInst TmpInst;
int64_t N = Inst.getOperand(2).getImm();
- TmpInst.setOpcode(PPC::RLDICR);
+ int64_t B = Inst.getOperand(3).getImm();
+ TmpInst.setOpcode(Opcode == PPC::INSRDI? PPC::RLDIMI : PPC::RLDIMIo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(64 - (B + N)));
+ TmpInst.addOperand(MCOperand::CreateImm(B));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::ROTRDI:
+ case PPC::ROTRDIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(Opcode == PPC::ROTRDI? PPC::RLDICL : PPC::RLDICLo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(64 - N));
+ TmpInst.addOperand(MCOperand::CreateImm(0));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::SLDI:
+ case PPC::SLDIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(Opcode == PPC::SLDI? PPC::RLDICR : PPC::RLDICRo);
TmpInst.addOperand(Inst.getOperand(0));
TmpInst.addOperand(Inst.getOperand(1));
TmpInst.addOperand(MCOperand::CreateImm(N));
Inst = TmpInst;
break;
}
- case PPC::SRDI: {
+ case PPC::SRDI:
+ case PPC::SRDIo: {
MCInst TmpInst;
int64_t N = Inst.getOperand(2).getImm();
- TmpInst.setOpcode(PPC::RLDICL);
+ TmpInst.setOpcode(Opcode == PPC::SRDI? PPC::RLDICL : PPC::RLDICLo);
TmpInst.addOperand(Inst.getOperand(0));
TmpInst.addOperand(Inst.getOperand(1));
TmpInst.addOperand(MCOperand::CreateImm(64 - N));
Inst = TmpInst;
break;
}
+ case PPC::CLRRDI:
+ case PPC::CLRRDIo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(Opcode == PPC::CLRRDI? PPC::RLDICR : PPC::RLDICRo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(0));
+ TmpInst.addOperand(MCOperand::CreateImm(63 - N));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::CLRLSLDI:
+ case PPC::CLRLSLDIo: {
+ MCInst TmpInst;
+ int64_t B = Inst.getOperand(2).getImm();
+ int64_t N = Inst.getOperand(3).getImm();
+ TmpInst.setOpcode(Opcode == PPC::CLRLSLDI? PPC::RLDIC : PPC::RLDICo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(N));
+ TmpInst.addOperand(MCOperand::CreateImm(B - N));
+ Inst = TmpInst;
+ break;
+ }
}
}
-bool PPCAsmParser::
-MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
- SmallVectorImpl<MCParsedAsmOperand*> &Operands,
- MCStreamer &Out, unsigned &ErrorInfo,
- bool MatchingInlineAsm) {
+bool PPCAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
+ OperandVector &Operands,
+ MCStreamer &Out, uint64_t &ErrorInfo,
+ bool MatchingInlineAsm) {
MCInst Inst;
switch (MatchInstructionImpl(Operands, Inst, ErrorInfo, MatchingInlineAsm)) {
- default: break;
case Match_Success:
// Post-process instructions (typically extended mnemonics)
ProcessInstruction(Inst, Operands);
Inst.setLoc(IDLoc);
- Out.EmitInstruction(Inst);
+ Out.EmitInstruction(Inst, STI);
return false;
case Match_MissingFeature:
return Error(IDLoc, "instruction use requires an option to be enabled");
case Match_MnemonicFail:
- return Error(IDLoc, "unrecognized instruction mnemonic");
+ return Error(IDLoc, "unrecognized instruction mnemonic");
case Match_InvalidOperand: {
SMLoc ErrorLoc = IDLoc;
- if (ErrorInfo != ~0U) {
+ if (ErrorInfo != ~0ULL) {
if (ErrorInfo >= Operands.size())
return Error(IDLoc, "too few operands for instruction");
- ErrorLoc = ((PPCOperand*)Operands[ErrorInfo])->getStartLoc();
+ ErrorLoc = ((PPCOperand &)*Operands[ErrorInfo]).getStartLoc();
if (ErrorLoc == SMLoc()) ErrorLoc = IDLoc;
}
RegNo = isPPC64()? PPC::CTR8 : PPC::CTR;
IntVal = 9;
return false;
- } else if (Name.substr(0, 1).equals_lower("r") &&
+ } else if (Name.equals_lower("vrsave")) {
+ RegNo = PPC::VRSAVE;
+ IntVal = 256;
+ return false;
+ } else if (Name.startswith_lower("r") &&
!Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) {
RegNo = isPPC64()? XRegs[IntVal] : RRegs[IntVal];
return false;
- } else if (Name.substr(0, 1).equals_lower("f") &&
+ } else if (Name.startswith_lower("f") &&
!Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) {
RegNo = FRegs[IntVal];
return false;
- } else if (Name.substr(0, 1).equals_lower("v") &&
+ } else if (Name.startswith_lower("v") &&
!Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) {
RegNo = VRegs[IntVal];
return false;
- } else if (Name.substr(0, 2).equals_lower("cr") &&
+ } else if (Name.startswith_lower("cr") &&
!Name.substr(2).getAsInteger(10, IntVal) && IntVal < 8) {
RegNo = CRRegs[IntVal];
return false;
bool PPCAsmParser::
ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) {
+ MCAsmParser &Parser = getParser();
const AsmToken &Tok = Parser.getTok();
StartLoc = Tok.getLoc();
EndLoc = Tok.getEndLoc();
return Error(StartLoc, "invalid register name");
}
-/// Extract @l/@ha modifier from expression. Recursively scan
+/// Extract \code @l/@ha \endcode modifier from expression. Recursively scan
/// the expression and check for VK_PPC_LO/HI/HA
/// symbol variants. If all symbols with modifier use the same
/// variant, return the corresponding PPCMCExpr::VariantKind,
switch (E->getKind()) {
case MCExpr::Target:
case MCExpr::Constant:
- return 0;
+ return nullptr;
case MCExpr::SymbolRef: {
const MCSymbolRefExpr *SRE = cast<MCSymbolRefExpr>(E);
Variant = PPCMCExpr::VK_PPC_HIGHESTA;
break;
default:
- return 0;
+ return nullptr;
}
return MCSymbolRefExpr::Create(&SRE->getSymbol(), Context);
const MCUnaryExpr *UE = cast<MCUnaryExpr>(E);
const MCExpr *Sub = ExtractModifierFromExpr(UE->getSubExpr(), Variant);
if (!Sub)
- return 0;
+ return nullptr;
return MCUnaryExpr::Create(UE->getOpcode(), Sub, Context);
}
const MCExpr *RHS = ExtractModifierFromExpr(BE->getRHS(), RHSVariant);
if (!LHS && !RHS)
- return 0;
+ return nullptr;
if (!LHS) LHS = BE->getLHS();
if (!RHS) RHS = BE->getRHS();
else if (LHSVariant == RHSVariant)
Variant = LHSVariant;
else
- return 0;
+ return nullptr;
return MCBinaryExpr::Create(BE->getOpcode(), LHS, RHS, Context);
}
llvm_unreachable("Invalid expression kind!");
}
-/// Parse an expression. This differs from the default "parseExpression"
-/// in that it handles complex @l/@ha modifiers.
+/// Find all VK_TLSGD/VK_TLSLD symbol references in expression and replace
+/// them by VK_PPC_TLSGD/VK_PPC_TLSLD. This is necessary to avoid having
+/// _GLOBAL_OFFSET_TABLE_ created via ELFObjectWriter::RelocNeedsGOT.
+/// FIXME: This is a hack.
+const MCExpr *PPCAsmParser::
+FixupVariantKind(const MCExpr *E) {
+ MCContext &Context = getParser().getContext();
+
+ switch (E->getKind()) {
+ case MCExpr::Target:
+ case MCExpr::Constant:
+ return E;
+
+ case MCExpr::SymbolRef: {
+ const MCSymbolRefExpr *SRE = cast<MCSymbolRefExpr>(E);
+ MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;
+
+ switch (SRE->getKind()) {
+ case MCSymbolRefExpr::VK_TLSGD:
+ Variant = MCSymbolRefExpr::VK_PPC_TLSGD;
+ break;
+ case MCSymbolRefExpr::VK_TLSLD:
+ Variant = MCSymbolRefExpr::VK_PPC_TLSLD;
+ break;
+ default:
+ return E;
+ }
+ return MCSymbolRefExpr::Create(&SRE->getSymbol(), Variant, Context);
+ }
+
+ case MCExpr::Unary: {
+ const MCUnaryExpr *UE = cast<MCUnaryExpr>(E);
+ const MCExpr *Sub = FixupVariantKind(UE->getSubExpr());
+ if (Sub == UE->getSubExpr())
+ return E;
+ return MCUnaryExpr::Create(UE->getOpcode(), Sub, Context);
+ }
+
+ case MCExpr::Binary: {
+ const MCBinaryExpr *BE = cast<MCBinaryExpr>(E);
+ const MCExpr *LHS = FixupVariantKind(BE->getLHS());
+ const MCExpr *RHS = FixupVariantKind(BE->getRHS());
+ if (LHS == BE->getLHS() && RHS == BE->getRHS())
+ return E;
+ return MCBinaryExpr::Create(BE->getOpcode(), LHS, RHS, Context);
+ }
+ }
+
+ llvm_unreachable("Invalid expression kind!");
+}
+
+/// ParseExpression. This differs from the default "parseExpression" in that
+/// it handles modifiers.
bool PPCAsmParser::
ParseExpression(const MCExpr *&EVal) {
+
+ if (isDarwin())
+ return ParseDarwinExpression(EVal);
+
+ // (ELF Platforms)
+ // Handle \code @l/@ha \endcode
if (getParser().parseExpression(EVal))
return true;
+ EVal = FixupVariantKind(EVal);
+
PPCMCExpr::VariantKind Variant;
const MCExpr *E = ExtractModifierFromExpr(EVal, Variant);
if (E)
- EVal = PPCMCExpr::Create(Variant, E, getParser().getContext());
+ EVal = PPCMCExpr::Create(Variant, E, false, getParser().getContext());
return false;
}
+/// ParseDarwinExpression. (MachO Platforms)
+/// This differs from the default "parseExpression" in that it handles detection
+/// of the \code hi16(), ha16() and lo16() \endcode modifiers. At present,
+/// parseExpression() doesn't recognise the modifiers when in the Darwin/MachO
+/// syntax form so it is done here. TODO: Determine if there is merit in arranging
+/// for this to be done at a higher level.
bool PPCAsmParser::
-ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+ParseDarwinExpression(const MCExpr *&EVal) {
+ MCAsmParser &Parser = getParser();
+ PPCMCExpr::VariantKind Variant = PPCMCExpr::VK_PPC_None;
+ switch (getLexer().getKind()) {
+ default:
+ break;
+ case AsmToken::Identifier:
+ // Compiler-generated Darwin identifiers begin with L,l,_ or "; thus
+ // something starting with any other char should be part of the
+ // asm syntax. If handwritten asm includes an identifier like lo16,
+ // then all bets are off - but no-one would do that, right?
+ StringRef poss = Parser.getTok().getString();
+ if (poss.equals_lower("lo16")) {
+ Variant = PPCMCExpr::VK_PPC_LO;
+ } else if (poss.equals_lower("hi16")) {
+ Variant = PPCMCExpr::VK_PPC_HI;
+ } else if (poss.equals_lower("ha16")) {
+ Variant = PPCMCExpr::VK_PPC_HA;
+ }
+ if (Variant != PPCMCExpr::VK_PPC_None) {
+ Parser.Lex(); // Eat the xx16
+ if (getLexer().isNot(AsmToken::LParen))
+ return Error(Parser.getTok().getLoc(), "expected '('");
+ Parser.Lex(); // Eat the '('
+ }
+ break;
+ }
+
+ if (getParser().parseExpression(EVal))
+ return true;
+
+ if (Variant != PPCMCExpr::VK_PPC_None) {
+ if (getLexer().isNot(AsmToken::RParen))
+ return Error(Parser.getTok().getLoc(), "expected ')'");
+ Parser.Lex(); // Eat the ')'
+ EVal = PPCMCExpr::Create(Variant, EVal, false, getParser().getContext());
+ }
+ return false;
+}
+
+/// ParseOperand
+/// This handles registers in the form 'NN', '%rNN' for ELF platforms and
+/// rNN for MachO.
+bool PPCAsmParser::ParseOperand(OperandVector &Operands) {
+ MCAsmParser &Parser = getParser();
SMLoc S = Parser.getTok().getLoc();
SMLoc E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1);
const MCExpr *EVal;
- PPCOperand *Op;
// Attempt to parse the next token as an immediate
switch (getLexer().getKind()) {
int64_t IntVal;
if (!MatchRegisterName(Parser.getTok(), RegNo, IntVal)) {
Parser.Lex(); // Eat the identifier token.
- Op = PPCOperand::CreateImm(IntVal, S, E, isPPC64());
- Operands.push_back(Op);
+ Operands.push_back(PPCOperand::CreateImm(IntVal, S, E, isPPC64()));
return false;
}
return Error(S, "invalid register name");
+ case AsmToken::Identifier:
+ // Note that non-register-name identifiers from the compiler will begin
+ // with '_', 'L'/'l' or '"'. Of course, handwritten asm could include
+ // identifiers like r31foo - so we fall through in the event that parsing
+ // a register name fails.
+ if (isDarwin()) {
+ unsigned RegNo;
+ int64_t IntVal;
+ if (!MatchRegisterName(Parser.getTok(), RegNo, IntVal)) {
+ Parser.Lex(); // Eat the identifier token.
+ Operands.push_back(PPCOperand::CreateImm(IntVal, S, E, isPPC64()));
+ return false;
+ }
+ }
+ // Fall-through to process non-register-name identifiers as expression.
// All other expressions
case AsmToken::LParen:
case AsmToken::Plus:
case AsmToken::Minus:
case AsmToken::Integer:
- case AsmToken::Identifier:
case AsmToken::Dot:
case AsmToken::Dollar:
+ case AsmToken::Exclaim:
+ case AsmToken::Tilde:
if (!ParseExpression(EVal))
break;
/* fall through */
return Error(S, "unknown operand");
}
- if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(EVal))
- Op = PPCOperand::CreateImm(CE->getValue(), S, E, isPPC64());
- else
- Op = PPCOperand::CreateExpr(EVal, S, E, isPPC64());
-
// Push the parsed operand into the list of operands
- Operands.push_back(Op);
+ Operands.push_back(PPCOperand::CreateFromMCExpr(EVal, S, E, isPPC64()));
- // Check for D-form memory operands
- if (getLexer().is(AsmToken::LParen)) {
+ // Check whether this is a TLS call expression
+ bool TLSCall = false;
+ if (const MCSymbolRefExpr *Ref = dyn_cast<MCSymbolRefExpr>(EVal))
+ TLSCall = Ref->getSymbol().getName() == "__tls_get_addr";
+
+ if (TLSCall && getLexer().is(AsmToken::LParen)) {
+ const MCExpr *TLSSym;
+
+ Parser.Lex(); // Eat the '('.
+ S = Parser.getTok().getLoc();
+ if (ParseExpression(TLSSym))
+ return Error(S, "invalid TLS call expression");
+ if (getLexer().isNot(AsmToken::RParen))
+ return Error(Parser.getTok().getLoc(), "missing ')'");
+ E = Parser.getTok().getLoc();
+ Parser.Lex(); // Eat the ')'.
+
+ Operands.push_back(PPCOperand::CreateFromMCExpr(TLSSym, S, E, isPPC64()));
+ }
+
+ // Otherwise, check for D-form memory operands
+ if (!TLSCall && getLexer().is(AsmToken::LParen)) {
Parser.Lex(); // Eat the '('.
S = Parser.getTok().getLoc();
break;
case AsmToken::Integer:
- if (getParser().parseAbsoluteExpression(IntVal) ||
+ if (!isDarwin()) {
+ if (getParser().parseAbsoluteExpression(IntVal) ||
IntVal < 0 || IntVal > 31)
return Error(S, "invalid register number");
+ } else {
+ return Error(S, "unexpected integer value");
+ }
break;
+ case AsmToken::Identifier:
+ if (isDarwin()) {
+ unsigned RegNo;
+ if (!MatchRegisterName(Parser.getTok(), RegNo, IntVal)) {
+ Parser.Lex(); // Eat the identifier token.
+ break;
+ }
+ }
+ // Fall-through..
+
default:
return Error(S, "invalid memory operand");
}
E = Parser.getTok().getLoc();
Parser.Lex(); // Eat the ')'.
- Op = PPCOperand::CreateImm(IntVal, S, E, isPPC64());
- Operands.push_back(Op);
+ Operands.push_back(PPCOperand::CreateImm(IntVal, S, E, isPPC64()));
}
return false;
}
/// Parse an instruction mnemonic followed by its operands.
-bool PPCAsmParser::
-ParseInstruction(ParseInstructionInfo &Info, StringRef Name, SMLoc NameLoc,
- SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+bool PPCAsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
+ SMLoc NameLoc, OperandVector &Operands) {
// The first operand is the token for the instruction name.
+ // If the next character is a '+' or '-', we need to add it to the
+ // instruction name, to match what TableGen is doing.
+ std::string NewOpcode;
+ if (getLexer().is(AsmToken::Plus)) {
+ getLexer().Lex();
+ NewOpcode = Name;
+ NewOpcode += '+';
+ Name = NewOpcode;
+ }
+ if (getLexer().is(AsmToken::Minus)) {
+ getLexer().Lex();
+ NewOpcode = Name;
+ NewOpcode += '-';
+ Name = NewOpcode;
+ }
// If the instruction ends in a '.', we need to create a separate
// token for it, to match what TableGen is doing.
size_t Dot = Name.find('.');
StringRef Mnemonic = Name.slice(0, Dot);
- Operands.push_back(PPCOperand::CreateToken(Mnemonic, NameLoc, isPPC64()));
+ if (!NewOpcode.empty()) // Underlying memory for Name is volatile.
+ Operands.push_back(
+ PPCOperand::CreateTokenWithStringCopy(Mnemonic, NameLoc, isPPC64()));
+ else
+ Operands.push_back(PPCOperand::CreateToken(Mnemonic, NameLoc, isPPC64()));
if (Dot != StringRef::npos) {
SMLoc DotLoc = SMLoc::getFromPointer(NameLoc.getPointer() + Dot);
StringRef DotStr = Name.slice(Dot, StringRef::npos);
- Operands.push_back(PPCOperand::CreateToken(DotStr, DotLoc, isPPC64()));
+ if (!NewOpcode.empty()) // Underlying memory for Name is volatile.
+ Operands.push_back(
+ PPCOperand::CreateTokenWithStringCopy(DotStr, DotLoc, isPPC64()));
+ else
+ Operands.push_back(PPCOperand::CreateToken(DotStr, DotLoc, isPPC64()));
}
// If there are no more operands then finish
/// ParseDirective parses the PPC specific directives
bool PPCAsmParser::ParseDirective(AsmToken DirectiveID) {
StringRef IDVal = DirectiveID.getIdentifier();
- if (IDVal == ".word")
- return ParseDirectiveWord(4, DirectiveID.getLoc());
- if (IDVal == ".tc")
- return ParseDirectiveTC(isPPC64()? 8 : 4, DirectiveID.getLoc());
+ if (!isDarwin()) {
+ if (IDVal == ".word")
+ return ParseDirectiveWord(2, DirectiveID.getLoc());
+ if (IDVal == ".llong")
+ return ParseDirectiveWord(8, DirectiveID.getLoc());
+ if (IDVal == ".tc")
+ return ParseDirectiveTC(isPPC64()? 8 : 4, DirectiveID.getLoc());
+ if (IDVal == ".machine")
+ return ParseDirectiveMachine(DirectiveID.getLoc());
+ if (IDVal == ".abiversion")
+ return ParseDirectiveAbiVersion(DirectiveID.getLoc());
+ if (IDVal == ".localentry")
+ return ParseDirectiveLocalEntry(DirectiveID.getLoc());
+ } else {
+ if (IDVal == ".machine")
+ return ParseDarwinDirectiveMachine(DirectiveID.getLoc());
+ }
return true;
}
/// ParseDirectiveWord
/// ::= .word [ expression (, expression)* ]
bool PPCAsmParser::ParseDirectiveWord(unsigned Size, SMLoc L) {
+ MCAsmParser &Parser = getParser();
if (getLexer().isNot(AsmToken::EndOfStatement)) {
for (;;) {
const MCExpr *Value;
if (getParser().parseExpression(Value))
- return true;
+ return false;
getParser().getStreamer().EmitValue(Value, Size);
/// ParseDirectiveTC
/// ::= .tc [ symbol (, expression)* ]
bool PPCAsmParser::ParseDirectiveTC(unsigned Size, SMLoc L) {
+ MCAsmParser &Parser = getParser();
// Skip TC symbol, which is only used with XCOFF.
while (getLexer().isNot(AsmToken::EndOfStatement)
&& getLexer().isNot(AsmToken::Comma))
Parser.Lex();
- if (getLexer().isNot(AsmToken::Comma))
- return Error(L, "unexpected token in directive");
+ if (getLexer().isNot(AsmToken::Comma)) {
+ Error(L, "unexpected token in directive");
+ return false;
+ }
Parser.Lex();
// Align to word size.
return ParseDirectiveWord(Size, L);
}
+/// ParseDirectiveMachine (ELF platforms)
+/// ::= .machine [ cpu | "push" | "pop" ]
+bool PPCAsmParser::ParseDirectiveMachine(SMLoc L) {
+ MCAsmParser &Parser = getParser();
+ if (getLexer().isNot(AsmToken::Identifier) &&
+ getLexer().isNot(AsmToken::String)) {
+ Error(L, "unexpected token in directive");
+ return false;
+ }
+
+ StringRef CPU = Parser.getTok().getIdentifier();
+ Parser.Lex();
+
+ // FIXME: Right now, the parser always allows any available
+ // instruction, so the .machine directive is not useful.
+ // Implement ".machine any" (by doing nothing) for the benefit
+ // of existing assembler code. Likewise, we can then implement
+ // ".machine push" and ".machine pop" as no-op.
+ if (CPU != "any" && CPU != "push" && CPU != "pop") {
+ Error(L, "unrecognized machine type");
+ return false;
+ }
+
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ Error(L, "unexpected token in directive");
+ return false;
+ }
+ PPCTargetStreamer &TStreamer =
+ *static_cast<PPCTargetStreamer *>(
+ getParser().getStreamer().getTargetStreamer());
+ TStreamer.emitMachine(CPU);
+
+ return false;
+}
+
+/// ParseDarwinDirectiveMachine (Mach-o platforms)
+/// ::= .machine cpu-identifier
+bool PPCAsmParser::ParseDarwinDirectiveMachine(SMLoc L) {
+ MCAsmParser &Parser = getParser();
+ if (getLexer().isNot(AsmToken::Identifier) &&
+ getLexer().isNot(AsmToken::String)) {
+ Error(L, "unexpected token in directive");
+ return false;
+ }
+
+ StringRef CPU = Parser.getTok().getIdentifier();
+ Parser.Lex();
+
+ // FIXME: this is only the 'default' set of cpu variants.
+ // However we don't act on this information at present, this is simply
+ // allowing parsing to proceed with minimal sanity checking.
+ if (CPU != "ppc7400" && CPU != "ppc" && CPU != "ppc64") {
+ Error(L, "unrecognized cpu type");
+ return false;
+ }
+
+ if (isPPC64() && (CPU == "ppc7400" || CPU == "ppc")) {
+ Error(L, "wrong cpu type specified for 64bit");
+ return false;
+ }
+ if (!isPPC64() && CPU == "ppc64") {
+ Error(L, "wrong cpu type specified for 32bit");
+ return false;
+ }
+
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ Error(L, "unexpected token in directive");
+ return false;
+ }
+
+ return false;
+}
+
+/// ParseDirectiveAbiVersion
+/// ::= .abiversion constant-expression
+bool PPCAsmParser::ParseDirectiveAbiVersion(SMLoc L) {
+ int64_t AbiVersion;
+ if (getParser().parseAbsoluteExpression(AbiVersion)){
+ Error(L, "expected constant expression");
+ return false;
+ }
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ Error(L, "unexpected token in directive");
+ return false;
+ }
+
+ PPCTargetStreamer &TStreamer =
+ *static_cast<PPCTargetStreamer *>(
+ getParser().getStreamer().getTargetStreamer());
+ TStreamer.emitAbiVersion(AbiVersion);
+
+ return false;
+}
+
+/// ParseDirectiveLocalEntry
+/// ::= .localentry symbol, expression
+bool PPCAsmParser::ParseDirectiveLocalEntry(SMLoc L) {
+ StringRef Name;
+ if (getParser().parseIdentifier(Name)) {
+ Error(L, "expected identifier in directive");
+ return false;
+ }
+ MCSymbol *Sym = getContext().GetOrCreateSymbol(Name);
+
+ if (getLexer().isNot(AsmToken::Comma)) {
+ Error(L, "unexpected token in directive");
+ return false;
+ }
+ Lex();
+
+ const MCExpr *Expr;
+ if (getParser().parseExpression(Expr)) {
+ Error(L, "expected expression");
+ return false;
+ }
+
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ Error(L, "unexpected token in directive");
+ return false;
+ }
+
+ PPCTargetStreamer &TStreamer =
+ *static_cast<PPCTargetStreamer *>(
+ getParser().getStreamer().getTargetStreamer());
+ TStreamer.emitLocalEntry(Sym, Expr);
+
+ return false;
+}
+
+
+
/// Force static initialization.
extern "C" void LLVMInitializePowerPCAsmParser() {
RegisterMCAsmParser<PPCAsmParser> A(ThePPC32Target);
RegisterMCAsmParser<PPCAsmParser> B(ThePPC64Target);
+ RegisterMCAsmParser<PPCAsmParser> C(ThePPC64LETarget);
}
#define GET_REGISTER_MATCHER
#define GET_MATCHER_IMPLEMENTATION
#include "PPCGenAsmMatcher.inc"
+
+// Define this matcher function after the auto-generated include so we
+// have the match class enum definitions.
+unsigned PPCAsmParser::validateTargetOperandClass(MCParsedAsmOperand &AsmOp,
+ unsigned Kind) {
+ // If the kind is a token for a literal immediate, check if our asm
+ // operand matches. This is for InstAliases which have a fixed-value
+ // immediate in the syntax.
+ int64_t ImmVal;
+ switch (Kind) {
+ case MCK_0: ImmVal = 0; break;
+ case MCK_1: ImmVal = 1; break;
+ case MCK_2: ImmVal = 2; break;
+ case MCK_3: ImmVal = 3; break;
+ case MCK_4: ImmVal = 4; break;
+ case MCK_5: ImmVal = 5; break;
+ case MCK_6: ImmVal = 6; break;
+ case MCK_7: ImmVal = 7; break;
+ default: return Match_InvalidOperand;
+ }
+
+ PPCOperand &Op = static_cast<PPCOperand &>(AsmOp);
+ if (Op.isImm() && Op.getImm() == ImmVal)
+ return Match_Success;
+
+ return Match_InvalidOperand;
+}
+
+const MCExpr *
+PPCAsmParser::applyModifierToExpr(const MCExpr *E,
+ MCSymbolRefExpr::VariantKind Variant,
+ MCContext &Ctx) {
+ switch (Variant) {
+ case MCSymbolRefExpr::VK_PPC_LO:
+ return PPCMCExpr::Create(PPCMCExpr::VK_PPC_LO, E, false, Ctx);
+ case MCSymbolRefExpr::VK_PPC_HI:
+ return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HI, E, false, Ctx);
+ case MCSymbolRefExpr::VK_PPC_HA:
+ return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HA, E, false, Ctx);
+ case MCSymbolRefExpr::VK_PPC_HIGHER:
+ return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHER, E, false, Ctx);
+ case MCSymbolRefExpr::VK_PPC_HIGHERA:
+ return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHERA, E, false, Ctx);
+ case MCSymbolRefExpr::VK_PPC_HIGHEST:
+ return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHEST, E, false, Ctx);
+ case MCSymbolRefExpr::VK_PPC_HIGHESTA:
+ return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHESTA, E, false, Ctx);
+ default:
+ return nullptr;
+ }
+}
projects / oota-llvm.git / blobdiff