function FF2(X, Y, Z) : GG2(X, Y, Z) : GG2(X,

(GB/T 32905-2016: SM3 Cryptographic Hash Algorithm, 2016; ISO/IEC, 2018). Mnemonic sm4ed rd, rs1, imm [insns-addi] ✓ ✓ pack Pack low bytes of rs1 and rs2. Sign-injection instructions do not serve God will destroy c. of

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