diff options
Diffstat (limited to 'cfrontend/Initializersproof.v')
| -rw-r--r-- | cfrontend/Initializersproof.v | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/cfrontend/Initializersproof.v b/cfrontend/Initializersproof.v index 057933e8..627db890 100644 --- a/cfrontend/Initializersproof.v +++ b/cfrontend/Initializersproof.v @@ -53,6 +53,7 @@ Fixpoint simple (a: expr) : Prop := | Ecast r1 _ => simple r1 | Econdition r1 r2 r3 _ => simple r1 /\ simple r2 /\ simple r3 | Esizeof _ _ => True + | Ealignof _ _ => True | Eassign _ _ _ => False | Eassignop _ _ _ _ _ => False | Epostincr _ _ _ => False @@ -120,6 +121,8 @@ with eval_simple_rvalue: expr -> val -> Prop := eval_simple_rvalue (Ecast r1 ty) v | esr_sizeof: forall ty1 ty, eval_simple_rvalue (Esizeof ty1 ty) (Vint (Int.repr (sizeof ty1))) + | esr_alignof: forall ty1 ty, + eval_simple_rvalue (Ealignof ty1 ty) (Vint (Int.repr (alignof ty1))) | esr_condition: forall r1 r2 r3 ty v v1 b v', eval_simple_rvalue r1 v1 -> bool_val v1 (typeof r1) = Some b -> eval_simple_rvalue (if b then r2 else r3) v' -> @@ -184,6 +187,7 @@ Proof. inv EV. econstructor; eauto. constructor. inv EV. eapply esr_condition; eauto. constructor. inv EV. constructor. + inv EV. constructor. econstructor; eauto. constructor. inv EV. econstructor. constructor. auto. Qed. @@ -458,6 +462,8 @@ Proof. eapply sem_cast_match; eauto. (* sizeof *) constructor. + (* alignof *) + constructor. (* conditional *) rewrite (bool_val_match x v1 (typeof r1)) in EQ3; auto. rewrite H0 in EQ3. destruct b; eapply sem_cast_match; eauto. |