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| author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-22 09:51:56 +0100 |
|---|---|---|
| committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-22 09:51:56 +0100 |
| commit | 5281141d38a492eea3e080e087b91a314b0be020 (patch) | |
| tree | c27e1da95d37abc1a14839c0bfb26fd2dd102077 /arm/SelectOpproof.v | |
| parent | 1fd8a013a4fa57fcfa6c9e295638871153e596ee (diff) | |
| download | compcert-kvx-5281141d38a492eea3e080e087b91a314b0be020.tar.gz compcert-kvx-5281141d38a492eea3e080e087b91a314b0be020.zip | |
ARM repasse
Diffstat (limited to 'arm/SelectOpproof.v')
| -rw-r--r-- | arm/SelectOpproof.v | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/arm/SelectOpproof.v b/arm/SelectOpproof.v index d4aac9b6..212bcfd7 100644 --- a/arm/SelectOpproof.v +++ b/arm/SelectOpproof.v @@ -24,6 +24,7 @@ Require Import Cminor. Require Import Op. Require Import CminorSel. Require Import SelectOp. +Require Import OpHelpers OpHelpersproof. Local Open Scope cminorsel_scope. Local Transparent Archi.ptr64. @@ -76,8 +77,10 @@ Ltac TrivialExists := (** * Correctness of the smart constructors *) Section CMCONSTR. - -Variable ge: genv. +Variable prog: program. +Variable hf: helper_functions. +Hypothesis HELPERS: helper_functions_declared prog hf. +Let ge := Genv.globalenv prog. Variable sp: val. Variable e: env. Variable m: mem. @@ -893,4 +896,25 @@ Proof. - constructor; auto. Qed. + +(* floating-point division without HELPERS *) +Theorem eval_divf_base: + forall le a b x y, + eval_expr ge sp e m le a x -> + eval_expr ge sp e m le b y -> + exists v, eval_expr ge sp e m le (divf_base a b) v /\ Val.lessdef (Val.divf x y) v. +Proof. + intros; unfold divf_base. + TrivialExists. +Qed. + +Theorem eval_divfs_base: + forall le a b x y, + eval_expr ge sp e m le a x -> + eval_expr ge sp e m le b y -> + exists v, eval_expr ge sp e m le (divfs_base a b) v /\ Val.lessdef (Val.divfs x y) v. +Proof. + intros; unfold divfs_base. + TrivialExists. +Qed. End CMCONSTR. |