Fixpoint set_params' (vl: list val) (il: list ident) (te: Cminor.env) : Cminor.env :=
match il, vl with
| i1 :: is, v1 :: vs => set_params' vs is (PTree.set i1 v1 te)
| i1 :: is, nil => set_params' nil is (PTree.set i1 Vundef te)
| _, _ => te
end.

Lemma bind_parameters_agree:
forall f params temps vals tvals le,
bind_parameters params vals (create_undef_temps temps) = Some le ->
val_list_inject f vals tvals ->
list_norepet params ->
list_disjoint params temps ->
match_temps f le (set_locals temps (set_params tvals params)).