1493         tmp: WritableReg,  in unset()
1497         assert!(rd != tmp);  in unset()
1499         insts.extend(Inst::load_int_mask(tmp, ty));  in unset()
1502             rd: tmp,  in unset()
1503             rs1: tmp.to_reg(),  in unset()
1506         insts.push(Inst::construct_bit_not(tmp, tmp.to_reg()));  in unset()
1511             rs2: tmp.to_reg(),  in unset()
1518         tmp: WritableReg,  in set()
1523         assert!(rd != tmp);  in set()
1527             rd: tmp,  in set()
1535             rd: tmp,  in set()
1536             rs1: tmp.to_reg(),  in set()
1543             rs2: tmp.to_reg(),  in set()
1552         tmp: WritableReg,  in merge()
1557         let mut insts = Self::unset(rd, tmp, offset, ty);  in merge()
1558         insts.extend(Self::set(rd, tmp, offset, rs, ty));  in merge()