diff options
Diffstat (limited to 'llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp')
| -rw-r--r-- | llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp index be0a612..cf8e337 100644 --- a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp +++ b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp @@ -314,6 +314,19 @@ static DecodeStatus decodeUImmOperand(MCInst &Inst, uint32_t Imm, return MCDisassembler::Success; } +static DecodeStatus decodeUImmLog2XLenOperand(MCInst &Inst, uint32_t Imm, + int64_t Address, + const MCDisassembler *Decoder) { + assert(isUInt<6>(Imm) && "Invalid immediate"); + + if (!Decoder->getSubtargetInfo().hasFeature(RISCV::Feature64Bit) && + !isUInt<5>(Imm)) + return MCDisassembler::Fail; + + Inst.addOperand(MCOperand::createImm(Imm)); + return MCDisassembler::Success; +} + template <unsigned N> static DecodeStatus decodeUImmNonZeroOperand(MCInst &Inst, uint32_t Imm, int64_t Address, @@ -323,6 +336,14 @@ static DecodeStatus decodeUImmNonZeroOperand(MCInst &Inst, uint32_t Imm, return decodeUImmOperand<N>(Inst, Imm, Address, Decoder); } +static DecodeStatus +decodeUImmLog2XLenNonZeroOperand(MCInst &Inst, uint32_t Imm, int64_t Address, + const MCDisassembler *Decoder) { + if (Imm == 0) + return MCDisassembler::Fail; + return decodeUImmLog2XLenOperand(Inst, Imm, Address, Decoder); +} + template <unsigned N> static DecodeStatus decodeSImmOperand(MCInst &Inst, uint32_t Imm, int64_t Address, |