| # RISC-V Bit-Manipulation extension. | |
| # Zbc extension (Carry-less multiplication) | |
| # Version 1.0 | |
| clmul | r | rs2 rs1 rd | 0000101..........001.....0110011 | |
| clmulh | r | rs2 rs1 rd | 0000101..........011.....0110011 | |
| clmulr | r | rs2 rs1 rd | 0000101..........010.....0110011 |