545     case ALU1 (NOR):  in nds32_filter_unknown_insn()
546     case ALU1 (SLT):  in nds32_filter_unknown_insn()
547     case ALU1 (SLTS):  in nds32_filter_unknown_insn()
548     case ALU1 (SLLI):  in nds32_filter_unknown_insn()
549     case ALU1 (SRLI):  in nds32_filter_unknown_insn()
550     case ALU1 (SRAI):  in nds32_filter_unknown_insn()
551     case ALU1 (ROTRI):  in nds32_filter_unknown_insn()
552     case ALU1 (SLL):  in nds32_filter_unknown_insn()
553     case ALU1 (SRL):  in nds32_filter_unknown_insn()
554     case ALU1 (SRA):  in nds32_filter_unknown_insn()
555     case ALU1 (ROTR):  in nds32_filter_unknown_insn()
556     case ALU1 (SEB):  in nds32_filter_unknown_insn()
557     case ALU1 (SEH):  in nds32_filter_unknown_insn()
558     case ALU1 (ZEH):  in nds32_filter_unknown_insn()
559     case ALU1 (WSBH):  in nds32_filter_unknown_insn()
560     case ALU1 (SVA):  in nds32_filter_unknown_insn()
561     case ALU1 (SVS):  in nds32_filter_unknown_insn()
562     case ALU1 (CMOVZ):  in nds32_filter_unknown_insn()
563     case ALU1 (CMOVN):  in nds32_filter_unknown_insn()
924     case ALU1 (ADD):  in nds32_special_opcode()
925     case ALU1 (SUB):  in nds32_special_opcode()
926     case ALU1 (AND):  in nds32_special_opcode()
927     case ALU1 (XOR):  in nds32_special_opcode()
928     case ALU1 (OR):  in nds32_special_opcode()
933     case ALU1 (SRLI):  in nds32_special_opcode()