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-rw-r--r--backend/CSEproof.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/backend/CSEproof.v b/backend/CSEproof.v
index 1e269f8..65f67ad 100644
--- a/backend/CSEproof.v
+++ b/backend/CSEproof.v
@@ -696,6 +696,8 @@ Proof.
destruct chunk; auto; apply N3.
simpl in H3. destruct (rs#src); auto || contradiction.
simpl in H3. destruct (rs#src); auto || contradiction.
+ simpl in H3. destruct (rs#src); auto || contradiction.
+ simpl in H3. destruct (rs#src); auto || contradiction.
Qed.
(** Correctness of [reg_valnum]: if it returns a register [r],