Remark small_shift_amount_1:
forall i,
Int64.ltu i Int64.iwordsize = true ->
Int.ltu (Int64.loword i) Int64.iwordsize' = true
/\ Int64.unsigned i = Int.unsigned (Int64.loword i).
Remark small_shift_amount_2:
forall i,
Int64.ltu i (Int64.repr 32) = true ->
Int.ltu (Int64.loword i) Int.iwordsize = true.

Lemma make_shl_correct: shift_constructor_correct make_shl sem_shl.