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authorSylvain Boulmé <sylvain.boulme@univ-grenoble-alpes.fr>2021-07-24 11:42:09 +0200
committerSylvain Boulmé <sylvain.boulme@univ-grenoble-alpes.fr>2021-07-24 11:42:09 +0200
commita4570fed198034e535d0d6d99e23cfbb1d40b926 (patch)
treee4e5a9dc845fc0972622ae05fd9084234ed9a44d /backend/CSEproof.v
parent95f918c38b1e59f40ae7af455ec2c6746289375e (diff)
parentb5c4192c73d7b02e0c90354e26b35a84ee141083 (diff)
downloadcompcert-kvx-a4570fed198034e535d0d6d99e23cfbb1d40b926.tar.gz
compcert-kvx-a4570fed198034e535d0d6d99e23cfbb1d40b926.zip
Merge branch 'kvx-work' into rtl-tunneling
Diffstat (limited to 'backend/CSEproof.v')
-rw-r--r--backend/CSEproof.v5
1 files changed, 2 insertions, 3 deletions
diff --git a/backend/CSEproof.v b/backend/CSEproof.v
index cf51f5a2..556b44b3 100644
--- a/backend/CSEproof.v
+++ b/backend/CSEproof.v
@@ -402,7 +402,7 @@ Lemma add_load_holds_none1:
forall valu1 ge sp rs m n addr (args: list reg) chunk dst,
numbering_holds valu1 ge sp rs m n ->
eval_addressing ge sp addr rs##args = None ->
- exists valu2, numbering_holds valu2 ge sp (rs#dst <- (default_notrap_load_value chunk)) m (add_load n dst chunk addr args).
+ exists valu2, numbering_holds valu2 ge sp (rs#dst <- Vundef) m (add_load n dst chunk addr args).
Proof.
unfold add_load; intros.
destruct (valnum_regs n args) as [n1 vl] eqn:VN.
@@ -418,7 +418,7 @@ Lemma add_load_holds_none2:
numbering_holds valu1 ge sp rs m n ->
eval_addressing ge sp addr rs##args = Some a ->
Mem.loadv chunk m a = None ->
- exists valu2, numbering_holds valu2 ge sp (rs#dst <- (default_notrap_load_value chunk)) m (add_load n dst NOTRAP chunk addr args).
+ exists valu2, numbering_holds valu2 ge sp (rs#dst <- Vundef) m (add_load n dst NOTRAP chunk addr args).
Proof.
unfold add_load; intros.
destruct (valnum_regs n args) as [n1 vl] eqn:VN.
@@ -1210,7 +1210,6 @@ Proof.
exists valu1.
apply set_unknown_holds.
assumption.
- unfold default_notrap_load_value.
apply set_reg_lessdef; eauto.
}
{