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-rw-r--r--backend/CSEproof.v58
1 files changed, 29 insertions, 29 deletions
diff --git a/backend/CSEproof.v b/backend/CSEproof.v
index 03c7ecfc..a2a1b461 100644
--- a/backend/CSEproof.v
+++ b/backend/CSEproof.v
@@ -128,9 +128,9 @@ Proof.
exists valu2; splitall.
+ constructor; simpl; intros.
* constructor; simpl; intros.
- apply wf_equation_incr with (num_next n). eauto with cse. xomega.
+ apply wf_equation_incr with (num_next n). eauto with cse. extlia.
rewrite PTree.gsspec in H0. destruct (peq r0 r).
- inv H0; xomega.
+ inv H0; extlia.
apply Plt_trans_succ; eauto with cse.
rewrite PMap.gsspec in H0. destruct (peq v (num_next n)).
replace r0 with r by (simpl in H0; intuition). rewrite PTree.gss. subst; auto.
@@ -142,8 +142,8 @@ Proof.
rewrite peq_false. eauto with cse. apply Plt_ne; eauto with cse.
+ unfold valu2. rewrite peq_true; auto.
+ auto.
-+ xomega.
-+ xomega.
++ extlia.
++ extlia.
Qed.
Lemma valnum_regs_holds:
@@ -158,7 +158,7 @@ Lemma valnum_regs_holds:
/\ Ple n.(num_next) n'.(num_next).
Proof.
induction rl; simpl; intros.
-- inv H0. exists valu1; splitall; auto. red; auto. simpl; tauto. xomega.
+- inv H0. exists valu1; splitall; auto. red; auto. simpl; tauto. extlia.
- destruct (valnum_reg n a) as [n1 v1] eqn:V1.
destruct (valnum_regs n1 rl) as [n2 vs] eqn:V2.
inv H0.
@@ -169,9 +169,9 @@ Proof.
exists valu3; splitall.
+ auto.
+ simpl; f_equal; auto. rewrite R; auto.
- + red; intros. transitivity (valu2 v); auto. apply R. xomega.
- + simpl; intros. destruct H0; auto. subst v1; xomega.
- + xomega.
+ + red; intros. transitivity (valu2 v); auto. apply R. extlia.
+ + simpl; intros. destruct H0; auto. subst v1; extlia.
+ + extlia.
Qed.
Lemma find_valnum_rhs_charact:
@@ -327,11 +327,11 @@ Proof.
{ red; intros. unfold valu2. apply peq_false. apply Plt_ne; auto. }
exists valu2; constructor; simpl; intros.
+ constructor; simpl; intros.
- * destruct H3. inv H3. simpl; split. xomega.
+ * destruct H3. inv H3. simpl; split. extlia.
red; intros. apply Plt_trans_succ; eauto.
- apply wf_equation_incr with (num_next n). eauto with cse. xomega.
+ apply wf_equation_incr with (num_next n). eauto with cse. extlia.
* rewrite PTree.gsspec in H3. destruct (peq r rd).
- inv H3. xomega.
+ inv H3. extlia.
apply Plt_trans_succ; eauto with cse.
* apply update_reg_charact; eauto with cse.
+ destruct H3. inv H3.
@@ -495,10 +495,10 @@ Lemma store_normalized_range_sound:
Proof.
intros. unfold Val.load_result; remember Archi.ptr64 as ptr64.
destruct chunk; simpl in *; destruct v; auto.
-- inv H. rewrite is_sgn_sign_ext in H4 by omega. rewrite H4; auto.
-- inv H. rewrite is_uns_zero_ext in H4 by omega. rewrite H4; auto.
-- inv H. rewrite is_sgn_sign_ext in H4 by omega. rewrite H4; auto.
-- inv H. rewrite is_uns_zero_ext in H4 by omega. rewrite H4; auto.
+- inv H. rewrite is_sgn_sign_ext in H4 by lia. rewrite H4; auto.
+- inv H. rewrite is_uns_zero_ext in H4 by lia. rewrite H4; auto.
+- inv H. rewrite is_sgn_sign_ext in H4 by lia. rewrite H4; auto.
+- inv H. rewrite is_uns_zero_ext in H4 by lia. rewrite H4; auto.
- destruct ptr64; auto.
- destruct ptr64; auto.
- destruct ptr64; auto.
@@ -557,7 +557,7 @@ Proof.
simpl.
rewrite negb_false_iff in H8.
eapply Mem.load_storebytes_other. eauto.
- rewrite H6. rewrite Z2Nat.id by omega.
+ rewrite H6. rewrite Z2Nat.id by lia.
eapply pdisjoint_sound. eauto.
unfold aaddressing. apply match_aptr_of_aval. eapply eval_static_addressing_sound; eauto.
erewrite <- regs_valnums_sound by eauto. eauto with va.
@@ -578,39 +578,39 @@ Proof.
set (n1 := i - ofs1).
set (n2 := size_chunk chunk).
set (n3 := sz - (n1 + n2)).
- replace sz with (n1 + (n2 + n3)) in H by (unfold n3, n2, n1; omega).
+ replace sz with (n1 + (n2 + n3)) in H by (unfold n3, n2, n1; lia).
exploit Mem.loadbytes_split; eauto.
- unfold n1; omega.
- unfold n3, n2, n1; omega.
+ unfold n1; lia.
+ unfold n3, n2, n1; lia.
intros (bytes1 & bytes23 & LB1 & LB23 & EQ).
clear H.
exploit Mem.loadbytes_split; eauto.
- unfold n2; omega.
- unfold n3, n2, n1; omega.
+ unfold n2; lia.
+ unfold n3, n2, n1; lia.
intros (bytes2 & bytes3 & LB2 & LB3 & EQ').
subst bytes23; subst bytes.
exploit Mem.load_loadbytes; eauto. intros (bytes2' & A & B).
assert (bytes2' = bytes2).
- { replace (ofs1 + n1) with i in LB2 by (unfold n1; omega). unfold n2 in LB2. congruence. }
+ { replace (ofs1 + n1) with i in LB2 by (unfold n1; lia). unfold n2 in LB2. congruence. }
subst bytes2'.
exploit Mem.storebytes_split; eauto. intros (m1 & SB1 & SB23).
clear H0.
exploit Mem.storebytes_split; eauto. intros (m2 & SB2 & SB3).
clear SB23.
assert (L1: Z.of_nat (length bytes1) = n1).
- { erewrite Mem.loadbytes_length by eauto. apply Z2Nat.id. unfold n1; omega. }
+ { erewrite Mem.loadbytes_length by eauto. apply Z2Nat.id. unfold n1; lia. }
assert (L2: Z.of_nat (length bytes2) = n2).
- { erewrite Mem.loadbytes_length by eauto. apply Z2Nat.id. unfold n2; omega. }
+ { erewrite Mem.loadbytes_length by eauto. apply Z2Nat.id. unfold n2; lia. }
rewrite L1 in *. rewrite L2 in *.
assert (LB': Mem.loadbytes m2 b2 (ofs2 + n1) n2 = Some bytes2).
{ rewrite <- L2. eapply Mem.loadbytes_storebytes_same; eauto. }
assert (LB'': Mem.loadbytes m' b2 (ofs2 + n1) n2 = Some bytes2).
{ rewrite <- LB'. eapply Mem.loadbytes_storebytes_other; eauto.
- unfold n2; omega.
- right; left; omega. }
+ unfold n2; lia.
+ right; left; lia. }
exploit Mem.load_valid_access; eauto. intros [P Q].
rewrite B. apply Mem.loadbytes_load.
- replace (i + (ofs2 - ofs1)) with (ofs2 + n1) by (unfold n1; omega).
+ replace (i + (ofs2 - ofs1)) with (ofs2 + n1) by (unfold n1; lia).
exact LB''.
apply Z.divide_add_r; auto.
Qed.
@@ -655,9 +655,9 @@ Proof with (try discriminate).
Mem.loadv chunk m (Vptr sp ofs) = Some v ->
Mem.loadv chunk m' (Vptr sp (Ptrofs.repr j)) = Some v).
{
- simpl; intros. rewrite Ptrofs.unsigned_repr by omega.
+ simpl; intros. rewrite Ptrofs.unsigned_repr by lia.
unfold j, delta. eapply load_memcpy; eauto.
- apply Zmod_divide; auto. generalize (align_chunk_pos chunk); omega.
+ apply Zmod_divide; auto. generalize (align_chunk_pos chunk); lia.
}
inv H2.
+ inv H3. exploit eval_addressing_Ainstack_inv; eauto. intros [E1 E2].