solana_rbpf::ebpf
pub const BE: u8 = BPF_ALU | BPF_X | BPF_END; // 220u8
BPF opcode: be dst /// dst = htobe<imm>(dst), with imm in {16, 32, 64}.
be dst
dst = htobe<imm>(dst), with imm in {16, 32, 64}