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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 /cfrontend
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 'cfrontend')
-rw-r--r--cfrontend/Cexec.v1
-rw-r--r--cfrontend/Cminorgenproof.v2
2 files changed, 1 insertions, 2 deletions
diff --git a/cfrontend/Cexec.v b/cfrontend/Cexec.v
index 823d2542..7f5fe355 100644
--- a/cfrontend/Cexec.v
+++ b/cfrontend/Cexec.v
@@ -292,7 +292,6 @@ Remark check_assign_copy:
{ assign_copy_ok ty b ofs b' ofs' } + {~ assign_copy_ok ty b ofs b' ofs' }.
Proof with try (right; intuition omega).
intros. unfold assign_copy_ok.
- assert (alignof_blockcopy ge ty > 0) by apply alignof_blockcopy_pos.
destruct (Zdivide_dec (alignof_blockcopy ge ty) (Ptrofs.unsigned ofs')); auto...
destruct (Zdivide_dec (alignof_blockcopy ge ty) (Ptrofs.unsigned ofs)); auto...
assert (Y: {b' <> b \/
diff --git a/cfrontend/Cminorgenproof.v b/cfrontend/Cminorgenproof.v
index ffafc5d2..5acb996d 100644
--- a/cfrontend/Cminorgenproof.v
+++ b/cfrontend/Cminorgenproof.v
@@ -923,7 +923,7 @@ Remark inj_offset_aligned_block:
Mem.inj_offset_aligned (align stacksize (block_alignment sz)) sz.
Proof.
intros; red; intros.
- apply Zdivides_trans with (block_alignment sz).
+ apply Z.divide_trans with (block_alignment sz).
unfold align_chunk. unfold block_alignment.
generalize Z.divide_1_l; intro.
generalize Z.divide_refl; intro.