https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71103
--- Comment #4 from Pitchumani <pitchumani.s at hotmail dot com> --- Yes, it is incomplete. These SUBREGs generated in rtl generation itself. define_insn for movqi bails out for this bug. Have to check if could be handled in define_expand of mov<mode> itself.
