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_cmp_correct:
forall cmp a tya b tyb c va vb v e le m,
sem_cmp cmp va tya vb tyb m = Some v ->
make_cmp cmp a tya b tyb = OK c ->
eval_expr ge e le m a va ->
eval_expr ge e le m b vb ->
eval_expr ge e le m c v.