Hint Resolve loc_arguments_acceptable: locs.
(** The offsets of [Outgoing] arguments are below [size_arguments s]. *)
Remark size_arguments_32_above:
forall tyl ofs0, ofs0 <= size_arguments_32 tyl ofs0.
Remark size_arguments_64_above:
forall tyl ir fr ofs0,
ofs0 <= size_arguments_64 tyl ir fr ofs0.

Lemma loc_arguments_64_bounded:
forall ofs ty tyl ir fr ofs0,
In (S Outgoing ofs ty) (regs_of_rpairs (loc_arguments_64 tyl ir fr ofs0)) ->
ofs + typesize ty <= size_arguments_64 tyl ir fr ofs0.