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| author | Xavier Leroy <xavier.leroy@inria.fr> | 2015-07-19 12:11:37 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavier.leroy@inria.fr> | 2015-07-19 12:11:37 +0200 |
| commit | 78f1b6a57c95ecc68c104d4764fc8d5851d7dd54 (patch) | |
| tree | 0c39dadd44f196baa0835ba525e7fb4246ebee3d /backend/CSEproof.v | |
| parent | 2932b531ceff2cd4573714aeaeb9b4e537d36af8 (diff) | |
| download | compcert-kvx-78f1b6a57c95ecc68c104d4764fc8d5851d7dd54.tar.gz compcert-kvx-78f1b6a57c95ecc68c104d4764fc8d5851d7dd54.zip | |
Value analysis: keep track of pointer values that leak through small integers with Uns or Sgn abstract values.
This is a follow-up to commit 2932b53. It adds provenance tracking to the Uns and Sgn abstract values.
Diffstat (limited to 'backend/CSEproof.v')
| -rw-r--r-- | backend/CSEproof.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/backend/CSEproof.v b/backend/CSEproof.v index b59078d4..c24fa69b 100644 --- a/backend/CSEproof.v +++ b/backend/CSEproof.v @@ -493,10 +493,10 @@ Lemma store_normalized_range_sound: Val.lessdef (Val.load_result chunk v) v. Proof. intros. destruct chunk; simpl in *; destruct v; auto. -- inv H. rewrite is_sgn_sign_ext in H3 by omega. rewrite H3; auto. -- inv H. rewrite is_uns_zero_ext in H3 by omega. rewrite H3; auto. -- inv H. rewrite is_sgn_sign_ext in H3 by omega. rewrite H3; auto. -- inv H. rewrite is_uns_zero_ext in H3 by omega. rewrite H3; auto. +- inv H. rewrite is_sgn_sign_ext in H4 by omega. rewrite H4; auto. +- inv H. rewrite is_uns_zero_ext in H4 by omega. rewrite H4; auto. +- inv H. rewrite is_sgn_sign_ext in H4 by omega. rewrite H4; auto. +- inv H. rewrite is_uns_zero_ext in H4 by omega. rewrite H4; auto. Qed. Lemma add_store_result_hold: |