diff options
Diffstat (limited to 'backend/Tailcallproof.v')
| -rw-r--r-- | backend/Tailcallproof.v | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/backend/Tailcallproof.v b/backend/Tailcallproof.v index 5ee7ccc1..bd9b227f 100644 --- a/backend/Tailcallproof.v +++ b/backend/Tailcallproof.v @@ -513,6 +513,19 @@ Proof. exact symbols_preserved. exact public_preserved. exact varinfo_preserved. econstructor; eauto. apply regset_set; auto. +(* annot *) + TransfInstr. + exploit (@eval_annot_args_lessdef _ ge (fun r => rs#r) (fun r => rs'#r)); eauto. + intros (vargs' & P & Q). + exploit external_call_mem_extends; eauto. + intros [v' [m'1 [A [B [C D]]]]]. + left. exists (State s' (transf_function f) (Vptr sp0 Int.zero) pc' rs' m'1); split. + eapply exec_Iannot; eauto. + eapply eval_annot_args_preserved with (ge1 := ge); eauto. exact symbols_preserved. + eapply external_call_symbols_preserved; eauto. + exact symbols_preserved. exact public_preserved. exact varinfo_preserved. + econstructor; eauto. + (* cond *) TransfInstr. left. exists (State s' (transf_function f) (Vptr sp0 Int.zero) (if b then ifso else ifnot) rs' m'); split. |