dop= Dops.getOrNull(dop.getFamily(), format); insns.set(i, insn.withOpcode(dop));
dop= Dops.getOrNull(dop.getFamily(), newFormat); insn= insn.withOpcode(dop); insns.set(i, insn);
dop= Dops.getOrNull(dop.getFamily(), currentFormat); insn= insn.withOpcode(dop);
if ((format == null) || (format.isCompatible(insn) && (Dops.getOrNull(family, format) != null)))