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| author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2020-10-19 18:47:53 +0200 |
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| committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2020-10-19 18:47:53 +0200 |
| commit | 8595aa32b35ef18c2124c9147173f366e5d14f86 (patch) | |
| tree | ae35dfb2c94d7a0a2d9d5b1cd9704de9728e7e2e /powerpc | |
| parent | 5045d1635f9e1bded2915478ceaff2766c06b803 (diff) | |
| download | compcert-kvx-8595aa32b35ef18c2124c9147173f366e5d14f86.tar.gz compcert-kvx-8595aa32b35ef18c2124c9147173f366e5d14f86.zip | |
op_valid_pointer_eq ppc
Diffstat (limited to 'powerpc')
| -rw-r--r-- | powerpc/Op.v | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/powerpc/Op.v b/powerpc/Op.v index a0ee5bb8..4f14bfac 100644 --- a/powerpc/Op.v +++ b/powerpc/Op.v @@ -797,6 +797,20 @@ Proof. auto. Qed. +Lemma op_valid_pointer_eq: + forall (F V: Type) (ge: Genv.t F V) sp op args m1 m2, + (forall b z, Mem.valid_pointer m1 b z = Mem.valid_pointer m2 b z) -> + eval_operation ge sp op args m1 = eval_operation ge sp op args m2. +Proof. + intros until m2. destruct op eqn:OP; simpl; try congruence. + - intros MEM; destruct c; simpl; try congruence; + repeat (destruct args; simpl; try congruence); + erewrite cmpu_bool_valid_pointer_eq || erewrite cmplu_bool_valid_pointer_eq; eauto. + - intro MEM; destruct c; simpl; try congruence; + repeat (destruct args; simpl; try congruence); + erewrite cmpu_bool_valid_pointer_eq || erewrite cmplu_bool_valid_pointer_eq; eauto. +Qed. + (** Global variables mentioned in an operation or addressing mode *) Definition globals_operation (op: operation) : list ident := |