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authorXavier Leroy <xavier.leroy@college-de-france.fr>2019-04-23 15:00:41 +0200
committerXavier Leroy <xavier.leroy@college-de-france.fr>2019-04-23 15:00:41 +0200
commit51c497b2e5a2b09788f2cf05f414634b037f52bf (patch)
treed1cfcc98a74cb78a042d90f91f6092078b3f3a0f /common/Switch.v
parentb66ddea9b0304d390b56afadda80fa4d2f2184d6 (diff)
downloadcompcert-kvx-51c497b2e5a2b09788f2cf05f414634b037f52bf.tar.gz
compcert-kvx-51c497b2e5a2b09788f2cf05f414634b037f52bf.zip
lib/Coqlib.v: remove defns about multiplication, division, modulus
Instead, use definitions and lemmas from the Coq standard library (ZArith, Znumtheory).
Diffstat (limited to 'common/Switch.v')
-rw-r--r--common/Switch.v6
1 files changed, 3 insertions, 3 deletions
diff --git a/common/Switch.v b/common/Switch.v
index 0ef91d60..5a6d4c63 100644
--- a/common/Switch.v
+++ b/common/Switch.v
@@ -288,10 +288,10 @@ Lemma validate_jumptable_correct:
Proof.
intros.
rewrite (validate_jumptable_correct_rec cases tbl ofs); auto.
-- f_equal. f_equal. rewrite Zmod_small. omega.
+- f_equal. f_equal. rewrite Z.mod_small. omega.
destruct (zle ofs v). omega.
assert (M: ((v - ofs) + 1 * modulus) mod modulus = (v - ofs) + modulus).
- { rewrite Zmod_small. omega. omega. }
+ { rewrite Z.mod_small. omega. omega. }
rewrite Z_mod_plus in M by auto. rewrite M in H0. omega.
- generalize (Z_mod_lt (v - ofs) modulus modulus_pos). omega.
Qed.
@@ -331,7 +331,7 @@ Proof.
rewrite (split_between_prop v _ _ _ _ _ _ EQ).
assert (0 <= (v - ofs) mod modulus < modulus) by (apply Z_mod_lt; omega).
destruct (zlt ((v - ofs) mod modulus) sz).
- rewrite Zmod_small by omega. eapply validate_jumptable_correct; eauto.
+ rewrite Z.mod_small by omega. eapply validate_jumptable_correct; eauto.
eapply IHt; eauto.
Qed.