> On May 25, 2018, at 2:11 AM, Eric Botcazou <ebotca...@adacore.com> wrote: > >> Is this something the back end is responsible for getting right, for example >> via the machine description file? If so, any hints where to start? > > The SUBREG of MEM is invalid at this stage.
Thanks. That pointed me to the problem: the .md file contained a
define_expand for truncsihi2, which is not useful given that the word
length is 2. Deleting it cured the problem.
paul
