noun
augmented operation code
Computing term for an extended or enhanced operation code in a processor instruction set.
このCPUは拡張命令コードを使って暗号処理を高速化する。
This CPU uses augmented operation codes to speed up cryptographic processing.
Basic operation code; 拡張命令コード adds the notion of extension or augmentation.
Compound of 拡張 (extension) + 命令 (instruction) + コード (code). A straightforward technical term.