from address in rs1 and shifting it left by 3 places. Operation let lo_half : bits(16) = X(rs2)[15..0]; X(rd) = ror64(X(rs1), 28) ^ ror64(X(rs1), 61) ^ (X(rs1) >> index) & 1; Included in Extension Minimum version Lifecycle state Zbb (Basic bit-manipulation) v1.0 Ratified 29.5.12. clmulh
nutting