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-rw-r--r--backend/LTL.v4
1 files changed, 2 insertions, 2 deletions
diff --git a/backend/LTL.v b/backend/LTL.v
index 3edd60a2..a382ef0e 100644
--- a/backend/LTL.v
+++ b/backend/LTL.v
@@ -217,14 +217,14 @@ Inductive step: state -> trace -> state -> Prop :=
E0 (Block s f sp bb rs' m)
| exec_Lload_notrap1: forall s f sp chunk addr args dst bb rs m rs',
eval_addressing ge sp addr (reglist rs args) = None ->
- rs' = Locmap.set (R dst) (default_notrap_load_value chunk)
+ rs' = Locmap.set (R dst) Vundef
(undef_regs (destroyed_by_load chunk addr) rs) ->
step (Block s f sp (Lload NOTRAP chunk addr args dst :: bb) rs m)
E0 (Block s f sp bb rs' m)
| exec_Lload_notrap2: forall s f sp chunk addr args dst bb rs m a rs',
eval_addressing ge sp addr (reglist rs args) = Some a ->
Mem.loadv chunk m a = None ->
- rs' = Locmap.set (R dst) (default_notrap_load_value chunk)
+ rs' = Locmap.set (R dst) Vundef
(undef_regs (destroyed_by_load chunk addr) rs) ->
step (Block s f sp (Lload NOTRAP chunk addr args dst :: bb) rs m)
E0 (Block s f sp bb rs' m)