struct svp64_record {
    uint64_t in1 : 3;
    uint64_t in2 : 5;
    uint64_t in3 : 3;
    uint64_t out : 3;
    uint64_t out2 : 3;
    uint64_t cr_in : 4;
    uint64_t cr_out : 3;
    uint64_t sv_ptype : 2;
    uint64_t sv_etype : 2;
    uint64_t sv_in1 : 3;
    uint64_t sv_in2 : 3;
    uint64_t sv_in3 : 3;
    uint64_t sv_out : 3;
    uint64_t sv_out2 : 3;
    uint64_t sv_cr_in : 3;
    uint64_t sv_cr_out : 3;
    uint64_t : 15;
};