diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp b/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp index b97f00c99311..87c4245b5535 100644 --- a/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp +++ b/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp @@ -45,6 +45,11 @@ static DecodeStatus DecodeSimpleRegisterClass(MCInst &Inst, unsigned RegNo, static DecodeStatus DecodeGPR64x8ClassRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); +template <unsigned Min, unsigned Max> +static DecodeStatus DecodeZPRMul2_MinMax(MCInst &Inst, unsigned RegNo, + uint64_t Address, + const MCDisassembler *Decoder); +template <unsigned Min, unsigned Max> static DecodeStatus DecodeZPR2Mul2RegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const void *Decoder); @@ -355,13 +360,29 @@ DecodeGPR64x8ClassRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, return Success; } +template <unsigned Min, unsigned Max> +static DecodeStatus DecodeZPRMul2_MinMax(MCInst &Inst, unsigned RegNo, + uint64_t Address, + const MCDisassembler *Decoder) { + unsigned Reg = (RegNo * 2) + Min; + if (Reg < Min || Reg > Max || (Reg & 1)) + return Fail; + unsigned Register = + AArch64MCRegisterClasses[AArch64::ZPRRegClassID].getRegister(Reg); + Inst.addOperand(MCOperand::createReg(Register)); + return Success; +} + +template <unsigned Min, unsigned Max> static DecodeStatus DecodeZPR2Mul2RegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const void *Decoder) { - if (RegNo * 2 > 30) + unsigned Reg = (RegNo * 2) + Min; + if (Reg < Min || Reg > Max || (Reg & 1)) return Fail; + unsigned Register = - AArch64MCRegisterClasses[AArch64::ZPR2RegClassID].getRegister(RegNo * 2); + AArch64MCRegisterClasses[AArch64::ZPR2RegClassID].getRegister(Reg); Inst.addOperand(MCOperand::createReg(Register)); return Success; } |