{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"|"}]}
| CSKY         | `reg`          | None     | `r0`           | None          |
| SPARC        | `reg`          | None     | `%o0`          | None          |
| CSKY         | `freg`         | None     | `f0`           | None          |