aboutsummaryrefslogtreecommitdiffstats
path: root/common/AST.v
diff options
context:
space:
mode:
authorXavier Leroy <xavier.leroy@college-de-france.fr>2020-06-21 18:22:00 +0200
committerXavier Leroy <xavier.leroy@college-de-france.fr>2020-12-29 15:29:56 +0100
commitaba0e740f25ffa5c338dfa76cab71144802cebc2 (patch)
tree746115009aa60b802a2b5369a5106a2e971eb22f /common/AST.v
parent2e202e2b17cc3ae909628b7b3ae0b8ede3117d82 (diff)
downloadcompcert-kvx-aba0e740f25ffa5c338dfa76cab71144802cebc2.tar.gz
compcert-kvx-aba0e740f25ffa5c338dfa76cab71144802cebc2.zip
Replace `omega` tactic with `lia`
Since Coq 8.12, `omega` is flagged as deprecated and scheduled for removal. Also replace CompCert's homemade tactics `omegaContradiction`, `xomega`, and `xomegaContradiction` with `lia` and `extlia`. Turn back on the deprecation warning for uses of `omega`. Make the proof of `Ctypes.sizeof_pos` more robust to variations in `lia`.
Diffstat (limited to 'common/AST.v')
-rw-r--r--common/AST.v6
1 files changed, 3 insertions, 3 deletions
diff --git a/common/AST.v b/common/AST.v
index 4f954c5c..7ccbb6cc 100644
--- a/common/AST.v
+++ b/common/AST.v
@@ -61,7 +61,7 @@ Definition typesize (ty: typ) : Z :=
end.
Lemma typesize_pos: forall ty, typesize ty > 0.
-Proof. destruct ty; simpl; omega. Qed.
+Proof. destruct ty; simpl; lia. Qed.
Lemma typesize_Tptr: typesize Tptr = if Archi.ptr64 then 8 else 4.
Proof. unfold Tptr; destruct Archi.ptr64; auto. Qed.
@@ -265,13 +265,13 @@ Fixpoint init_data_list_size (il: list init_data) {struct il} : Z :=
Lemma init_data_size_pos:
forall i, init_data_size i >= 0.
Proof.
- destruct i; simpl; try xomega. destruct Archi.ptr64; omega.
+ destruct i; simpl; try extlia. destruct Archi.ptr64; lia.
Qed.
Lemma init_data_list_size_pos:
forall il, init_data_list_size il >= 0.
Proof.
- induction il; simpl. omega. generalize (init_data_size_pos a); omega.
+ induction il; simpl. lia. generalize (init_data_size_pos a); lia.
Qed.
(** Information attached to global variables. *)