{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"CSKY(CSKYInlineAsmRegClass::reg)"}]}
            CSKY(CSKYInlineAsmRegClass::reg) => "r",
            M68k(M68kInlineAsmRegClass::reg_data) => "d",
            CSKY(CSKYInlineAsmRegClass::freg) => "f",