print_ins()
int_from_ins()
name_from_insn()
decode()
op()
rd()
funct3()
rs1()
rs2()
funct7()
imm110()
imm3112()
imm_i()
imm_s()
imm_b()
imm_u()
imm_j()
sign_extend()
decode_i()
decode_b()
decode_u()
decode_r()
decode_s()
decode_j()
decode_i_shamt()
decode_i_unsigned()
int_to_hex()
format_ins()
tbl()