| # RISC-V Bit-Manipulation extension. | |
| # Zba extension (Address generation instructions) | |
| # Version 1.0 | |
| sh1add | r | rs2 rs1 rd | 0010000..........010.....0110011 | |
| sh2add | r | rs2 rs1 rd | 0010000..........100.....0110011 | |
| sh3add | r | rs2 rs1 rd | 0010000..........110.....0110011 |