diff options
Diffstat (limited to 'powerpc/Asmgenproof.v')
| -rw-r--r-- | powerpc/Asmgenproof.v | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/powerpc/Asmgenproof.v b/powerpc/Asmgenproof.v index 8ad28aea..21d5ce48 100644 --- a/powerpc/Asmgenproof.v +++ b/powerpc/Asmgenproof.v @@ -179,14 +179,28 @@ Proof. Qed. Hint Resolve rolm_label: labels. +Remark loadimm64_32s_label: + forall r n k, tail_nolabel k (loadimm64_32s r n k). +Proof. + unfold loadimm64_32s; intros. destruct Int64.eq; TailNoLabel. +Qed. +Hint Resolve loadimm64_32s_label: labels. + Remark loadimm64_label: forall r n k, tail_nolabel k (loadimm64 r n k). Proof. - unfold loadimm64; intros. - destruct Int64.eq. TailNoLabel. destruct Int64.eq; TailNoLabel. + unfold loadimm64; intros. destruct Int64.eq; TailNoLabel. Qed. Hint Resolve loadimm64_label: labels. +Remark loadimm64_notemp_label: + forall r n k, tail_nolabel k (loadimm64_notemp r n k). +Proof. + unfold loadimm64_notemp; intros. destruct Int64.eq; TailNoLabel. + eapply tail_nolabel_trans; TailNoLabel. +Qed. +Hint Resolve loadimm64_notemp_label: labels. + Remark loadind_label: forall base ofs ty dst k c, loadind base ofs ty dst k = OK c -> tail_nolabel k c. @@ -234,6 +248,24 @@ Proof. destruct (snd (crbit_for_cond c0)); TailNoLabel. Qed. +Remark transl_select_op_label: + forall cond args r1 r2 rd k c, + transl_select_op cond args r1 r2 rd k = OK c -> tail_nolabel k c. +Proof. + unfold transl_select_op; intros. destruct (ireg_eq r1 r2). + TailNoLabel. + eapply tail_nolabel_trans. eapply transl_cond_label; eauto. TailNoLabel. +Qed. + +Remark transl_fselect_op_label: + forall cond args r1 r2 rd k c, + transl_fselect_op cond args r1 r2 rd k = OK c -> tail_nolabel k c. +Proof. + unfold transl_fselect_op; intros. destruct (freg_eq r1 r2). + TailNoLabel. + eapply tail_nolabel_trans. eapply transl_cond_label; eauto. TailNoLabel. +Qed. + Remark transl_op_label: forall op args r k c, transl_op op args r k = OK c -> tail_nolabel k c. @@ -261,6 +293,7 @@ Opaque Int.eq. destruct Int64.eq. TailNoLabel. destruct ireg_eq; [apply tail_nolabel_cons; unfold nolabel;auto|]; eapply tail_nolabel_trans; TailNoLabel. - eapply transl_cond_op_label; eauto. +- destruct (preg_of r); monadInv H. eapply transl_select_op_label; eauto. eapply transl_fselect_op_label; eauto. Qed. Remark transl_memory_access_label: @@ -295,6 +328,7 @@ Proof. eapply loadind_label; eauto. eapply tail_nolabel_trans; eapply loadind_label; eauto. eapply transl_op_label; eauto. + destruct t; try discriminate. destruct m; monadInv H; (eapply tail_nolabel_trans; [eapply transl_memory_access_label; TailNoLabel|TailNoLabel]). destruct m; monadInv H; eapply transl_memory_access_label; TailNoLabel. destruct s0; monadInv H; TailNoLabel. @@ -624,6 +658,13 @@ Opaque loadind. split. simpl; congruence. apply R; auto with asmgen. + +- (* Mload notrap *) (* isn't there a nicer way? *) + inv AT. simpl in *. unfold bind in *. destruct (transl_code _ _ _) in *; discriminate. + +- (* Mload notrap *) + inv AT. simpl in *. unfold bind in *. destruct (transl_code _ _ _) in *; discriminate. + - (* Mstore *) assert (eval_addressing tge sp addr rs##args = Some a). rewrite <- H. apply eval_addressing_preserved. exact symbols_preserved. |