diff options
Diffstat (limited to 'cfrontend/Cop.v')
| -rw-r--r-- | cfrontend/Cop.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/cfrontend/Cop.v b/cfrontend/Cop.v index e7ffc89..4932bad 100644 --- a/cfrontend/Cop.v +++ b/cfrontend/Cop.v @@ -604,7 +604,7 @@ Definition sem_sub (v1:val) (t1:type) (v2: val) (t2:type) : option val := | sub_case_pp ty => (**r pointer minus pointer *) match v1,v2 with | Vptr b1 ofs1, Vptr b2 ofs2 => - if zeq b1 b2 then + if eq_block b1 b2 then if Int.eq (Int.repr (sizeof ty)) Int.zero then None else Some (Vint (Int.divu (Int.sub ofs1 ofs2) (Int.repr (sizeof ty)))) else None @@ -1059,8 +1059,8 @@ Proof. + inv H0; inv H1; inv H. TrivialInject. econstructor. eauto. rewrite Int.sub_add_l. auto. + inv H0; inv H1; inv H. TrivialInject. - destruct (zeq b1 b0); try discriminate. subst b1. - rewrite H0 in H2; inv H2. rewrite zeq_true. + destruct (eq_block b1 b0); try discriminate. subst b1. + rewrite H0 in H2; inv H2. rewrite dec_eq_true. destruct (Int.eq (Int.repr (sizeof ty)) Int.zero); inv H3. rewrite Int.sub_shifted. TrivialInject. + inv H0; inv H1; inv H. TrivialInject. |