> Anyway, others can have different opinion on what "X" should mean, > CCing Jeff and Eric.
I personally think that we should not change it and adjust LRA instead to error out instead of ICEing (even if this means erroring out in a few more cases with LRA than with reload for now, e.g. gcc.dg/torture/asm-subreg-1.c which looks somewhat dubious to me). -- Eric Botcazou