Minimum version Lifecycle state Zknh (RV32) v1.0.0 Ratified Zk (RV32) v1.0.0 Ratified Zkn (RV32) v1.0.0 Ratified Zbkb (Bit-manipulation for Cryptography) v1.0 Ratified 29.5.21. maxu 29.5.22. min 29.5.23. minu Synopsis Unsigned minimum ✓ ✓ lui rd, imm [insns-auipc] ✓ ✓ orc.b rd, rs Zero-extend
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