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author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-16 16:48:54 +0100 |
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committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-16 16:48:54 +0100 |
commit | 33648f1fbee9442190bb85fae1192b7b119daf81 (patch) | |
tree | 022bee87ee69ecf113ee3ce9c221645ce70d7dc2 /mppa_k1c/SelectOpproof.v | |
parent | 0d66eae95a8905ff985cd4738808fc93215a4904 (diff) | |
download | compcert-kvx-33648f1fbee9442190bb85fae1192b7b119daf81.tar.gz compcert-kvx-33648f1fbee9442190bb85fae1192b7b119daf81.zip |
some more nand
Diffstat (limited to 'mppa_k1c/SelectOpproof.v')
-rw-r--r-- | mppa_k1c/SelectOpproof.v | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mppa_k1c/SelectOpproof.v b/mppa_k1c/SelectOpproof.v index c5f05dcf..c14a622a 100644 --- a/mppa_k1c/SelectOpproof.v +++ b/mppa_k1c/SelectOpproof.v @@ -524,7 +524,12 @@ Qed. Theorem eval_notint: unary_constructor_sound notint Val.notint. Proof. - unfold notint; red; intros. rewrite Val.not_xor. apply eval_xorimm; auto. + assert (forall v, Val.lessdef (Val.notint (Val.notint v)) v). + destruct v; simpl; auto. rewrite Int.not_involutive; auto. + unfold notint; red; intros until x; case (notint_match a); intros; InvEval. + - TrivialExists; simpl; congruence. + - TrivialExists; simpl; congruence. + - apply eval_xorimm; assumption. Qed. Theorem eval_divs_base: |