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author | Sylvain Boulmé <sylvain.boulme@univ-grenoble-alpes.fr> | 2020-10-17 17:03:07 +0200 |
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committer | Sylvain Boulmé <sylvain.boulme@univ-grenoble-alpes.fr> | 2020-10-17 17:03:07 +0200 |
commit | 41a97a2d5eace2a0b113d7da590df69f1cc0d763 (patch) | |
tree | 9d5d00835078f7505229e052122c3d20e42b6bc5 /riscV/Op.v | |
parent | db3183cacb132d7153f653e2c3ae20b92ddfc03c (diff) | |
download | compcert-kvx-41a97a2d5eace2a0b113d7da590df69f1cc0d763.tar.gz compcert-kvx-41a97a2d5eace2a0b113d7da590df69f1cc0d763.zip |
proves op_valid_pointer_eq lemma for RISC-V (necessary for the pre-pass scheduler)
Diffstat (limited to 'riscV/Op.v')
-rw-r--r-- | riscV/Op.v | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -877,6 +877,16 @@ Proof. unfold Val.cmpu_bool, Val.cmplu_bool; rewrite SF; reflexivity. 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; simpl; try congruence. + intros MEM; destruct cond; 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_addressing (addr: addressing) : list ident := |