diff options
Diffstat (limited to 'mppa_k1c/SelectOpproof.v')
| -rw-r--r-- | mppa_k1c/SelectOpproof.v | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/mppa_k1c/SelectOpproof.v b/mppa_k1c/SelectOpproof.v index c94f9c0c..e07bc51c 100644 --- a/mppa_k1c/SelectOpproof.v +++ b/mppa_k1c/SelectOpproof.v @@ -1155,9 +1155,23 @@ Theorem eval_floatofintu: Val.floatofintu x = Some y -> exists v, eval_expr ge sp e m le (floatofintu a) v /\ Val.lessdef y v. Proof. - intros until y; unfold floatofintu. case (floatofintu_match a); intros. - InvEval. simpl in H0. TrivialExists. - TrivialExists. + intros. + unfold Val.floatofintu in *. + unfold floatofintu. + destruct (floatofintu_match a). + - InvEval. + TrivialExists. + - InvEval. + TrivialExists. + constructor. econstructor. constructor. eassumption. constructor. + simpl. f_equal. constructor. + simpl. + destruct x; simpl; trivial. + f_equal. + inv H0. + f_equal. + rewrite Float.of_intu_of_longu. + reflexivity. Qed. Theorem eval_floatofint: |