End Make.
(** * Specialization to integers of size 8, 32, and 64 bits *)
Module Wordsize_32.
Definition wordsize := 32%nat.
Remark wordsize_not_zero: wordsize <> 0%nat.
Module Wordsize_8.
Definition wordsize := 8%nat.
Remark wordsize_not_zero: wordsize <> 0%nat.

Theorem shr'_zero :
forall x, shr' x Int.zero = x.