| # RV64I Base Integer Instruction Set. |
| # Version 2.1 |
| |
| lwu | i | i_imm rs1 rd | .................110.....0000011 |
| ld | i | i_imm rs1 rd | .................011.....0000011 |
| sd | s | s_imm rs2 rs1 | .................011.....0100011 |
| addiw | i | i_imm rs1 rd | .................000.....0011011 |
| slliw | i | shamt5 rs1 rd | 0000000..........001.....0011011 |
| srliw | i | shamt5 rs1 rd | 0000000..........101.....0011011 |
| sraiw | i | shamt5 rs1 rd | 0100000..........101.....0011011 |
| addw | r | rs2 rs1 rd | 0000000..........000.....0111011 |
| subw | r | rs2 rs1 rd | 0100000..........000.....0111011 |
| sllw | r | rs2 rs1 rd | 0000000..........001.....0111011 |
| srlw | r | rs2 rs1 rd | 0000000..........101.....0111011 |
| sraw | r | rs2 rs1 rd | 0100000..........101.....0111011 |
