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| author | Bernhard Schommer <bernhardschommer@gmail.com> | 2015-04-04 11:48:56 +0200 |
|---|---|---|
| committer | Bernhard Schommer <bernhardschommer@gmail.com> | 2015-04-04 11:48:56 +0200 |
| commit | 428e71dc00798d49244088ba4a0c46ee11c79c61 (patch) | |
| tree | 6fdd4cb9f19a2c90d45ad2487454bd00e27ee95b /arm/Asmgenproof1.v | |
| parent | 425a599deb4788ade6bf61faabbf599179998016 (diff) | |
| download | compcert-kvx-428e71dc00798d49244088ba4a0c46ee11c79c61.tar.gz compcert-kvx-428e71dc00798d49244088ba4a0c46ee11c79c61.zip | |
Fixed missing unsigned compare for pointer in the arm backend.
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. |