{reg: [ {bits: 7, name: 'opcode', attr: ['7', 'OP=0110011'], type: 8}, {bits: 5, name: 'rd', attr: ['5', 'dest'], type: 2}, {bits: 3, name: 'funct3', attr: ['3', 'GCTAG=000'], type: 8}, {bits: 5, name: 'cs1', attr: ['5', 'src'], type: 4}, {bits: 5, name: 'funct5', attr: ['5', 'GCTAG=00000'], type: 3}, {bits: 7, name: 'funct7', attr: ['7', 'GCTAG=0001000'], type: 3}, ]}