{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"|"}]}
| AVR          | `reg`          | `r[2-25]`, `XH`, `XL`, `ZH`, `ZL`  | `r`                  |
| BPF          | `wreg`         | `w[0-10]`                          | `w`                  |
| AVR          | `reg_upper`    | `r[16-25]`, `XH`, `XL`, `ZH`, `ZL` | `d`                  |