yes no 4B not 8B yes no 4B not 8B yes no 4B not 8B yes yes c.zext.h yes c.sext.h yes c.zext.w rsd' Zero extend byte, 16-bit encoding Mnemonic: c.mul rsd', rs2' Encoding (RV32, RV64): rlist values 0 to (SEW - 1); X(rd)