1. A method of processing instructions, the method comprising: receiving a packet including at least a first instruction and a second instruction; decoding the first instruction to determine whether the first instruction comprises a plurality of sub-instructions based on a first indicator included in the first instruction; decoding the second instruction to determine whether the second instruction comprises a first sub-instruction and a second sub-instruction based on a second indicator included in the second instruction, wherein the second indicator is located subsequent to the first instruction in the packet; determining, based on the second indicator, that the second instruction comprises the first sub-instruction and the second sub-instruction; in response to determining that the second instruction comprises the first sub-instruction and the second sub-instruction, decoding the first sub-instruction to determine whether the first sub-instruction comprises a first sub-sub-instruction and a second sub-sub-instruction; determining that the first sub-instruction comprises the first sub-sub-instruction and the second sub-sub-instruction; and in response to determining that the first sub-instruction comprises the first sub-sub-instruction and the second sub-sub-instruction, executing at least the first sub-sub-instruction.