index = X(rs2) X(rd) = EXTS(hi_half @ lo_half); Included in Extension Minimum version Lifecycle state Zknd (RV64) v1.0.0 Ratified Zkn v1.0.0 Ratified Zkn (RV32) v1.0.0 Ratified Zbkb (Bit-manipulation for Cryptography) v1.0 Ratified 29.5.26. pack Synopsis Pack the low bits of medeleg be
shellfire