diff options
Diffstat (limited to 'lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp')
| -rw-r--r-- | lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp b/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp index a1ed703..359c2e7 100644 --- a/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp +++ b/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp @@ -169,6 +169,14 @@ static DecodeStatus DecodeVecShiftL16Imm(llvm::MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder); static DecodeStatus DecodeVecShiftL8Imm(llvm::MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder); +static DecodeStatus DecodeWSeqPairsClassRegisterClass(MCInst &Inst, + unsigned RegNo, + uint64_t Addr, + const void *Decoder); +static DecodeStatus DecodeXSeqPairsClassRegisterClass(MCInst &Inst, + unsigned RegNo, + uint64_t Addr, + const void *Decoder); static bool Check(DecodeStatus &Out, DecodeStatus In) { switch (In) { @@ -1543,3 +1551,35 @@ static DecodeStatus DecodeTestAndBranch(llvm::MCInst &Inst, uint32_t insn, return Success; } + +static DecodeStatus DecodeGPRSeqPairsClassRegisterClass(MCInst &Inst, + unsigned RegClassID, + unsigned RegNo, + uint64_t Addr, + const void *Decoder) { + // Register number must be even (see CASP instruction) + if (RegNo & 0x1) + return Fail; + + unsigned Register = AArch64MCRegisterClasses[RegClassID].getRegister(RegNo); + Inst.addOperand(MCOperand::createReg(Register)); + return Success; +} + +static DecodeStatus DecodeWSeqPairsClassRegisterClass(MCInst &Inst, + unsigned RegNo, + uint64_t Addr, + const void *Decoder) { + return DecodeGPRSeqPairsClassRegisterClass(Inst, + AArch64::WSeqPairsClassRegClassID, + RegNo, Addr, Decoder); +} + +static DecodeStatus DecodeXSeqPairsClassRegisterClass(MCInst &Inst, + unsigned RegNo, + uint64_t Addr, + const void *Decoder) { + return DecodeGPRSeqPairsClassRegisterClass(Inst, + AArch64::XSeqPairsClassRegClassID, + RegNo, Addr, Decoder); +} |
