Function execute_b_zbc_64_ext 

pub fn execute_b_zbc_64_ext<Reg>(
    regs: &mut Registers<Reg>,
    instruction: BZbc64ExtInstruction<Reg>,
)
where
    Reg: Register<Type = u64>,
    [(); Reg::N]:,

Execute instructions from B (Zba + Zbb + Zbs) + Zbc extensions