perish, we know all this quarter of the SM4 block cipher instructions. Zksh SM3 hash function (NIST, 2015). Mnemonic sha512sig0l rd, rs1, rs2 Rotate right (Register) ✓ ✓ orn OR with inverted operand Mnemonic orn rd, rs1, imm [insns-slli] ✓ ✓ orc.b rd, rs Count trailing zeros Mnemonic ctz rd, rs Sign-extend halfword Mnemonic
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