solana_rbpf::ebpf
pub const JSLE_IMM: u8 = BPF_JMP | BPF_K | BPF_JSLE; // 213u8
BPF opcode: jsle dst, imm, +off /// PC += off if dst <= imm (signed).
jsle dst, imm, +off
PC += off if dst <= imm (signed)