{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"|"}]}
| CSKY         | `r[26-30]`                              | Reserved by its ABI.       |
| CSKY         | `r15`                                   | This is the link register. |
| CSKY         | `r31`                                   | This is the TLS register.  |