diff options
Diffstat (limited to 'arm/Asmgenproof1.v')
| -rw-r--r-- | arm/Asmgenproof1.v | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arm/Asmgenproof1.v b/arm/Asmgenproof1.v index c859434b..f0a698eb 100644 --- a/arm/Asmgenproof1.v +++ b/arm/Asmgenproof1.v @@ -730,12 +730,14 @@ Proof. rewrite (int_ltu_not i i0). destruct (Int.ltu i i0); destruct (Int.eq i i0); reflexivity. destruct (Int.ltu i i0); reflexivity. (* int ptr *) - destruct (Int.eq i Int.zero) eqn:?; try discriminate. + destruct (Int.eq i Int.zero && + (Mem.valid_pointer m b0 (Int.unsigned i0) || Mem.valid_pointer m b0 (Int.unsigned i0 - 1))) eqn:?; try discriminate. destruct c; simpl in *; inv H1. rewrite Heqb1; reflexivity. rewrite Heqb1; reflexivity. (* ptr int *) - destruct (Int.eq i0 Int.zero) eqn:?; try discriminate. + destruct (Int.eq i0 Int.zero && + (Mem.valid_pointer m b0 (Int.unsigned i) || Mem.valid_pointer m b0 (Int.unsigned i - 1))) eqn:?; try discriminate. destruct c; simpl in *; inv H1. rewrite Heqb1; reflexivity. rewrite Heqb1; reflexivity. |