diff options
-rw-r--r-- | powerpc/SelectLong.vp | 2 | ||||
-rw-r--r-- | powerpc/SelectLongproof.v | 1 | ||||
-rw-r--r-- | powerpc/SelectOp.vp | 8 | ||||
-rw-r--r-- | powerpc/SelectOpproof.v | 28 |
4 files changed, 36 insertions, 3 deletions
diff --git a/powerpc/SelectLong.vp b/powerpc/SelectLong.vp index 5f13774b..e4274ba5 100644 --- a/powerpc/SelectLong.vp +++ b/powerpc/SelectLong.vp @@ -16,7 +16,7 @@ Require Import Coqlib. Require Import Compopts. Require Import AST Integers Floats. Require Import Op CminorSel. -Require Import SelectOp SplitLong. +Require Import OpHelpers SelectOp SplitLong. Local Open Scope cminorsel_scope. Local Open Scope string_scope. diff --git a/powerpc/SelectLongproof.v b/powerpc/SelectLongproof.v index a214d131..b4e48596 100644 --- a/powerpc/SelectLongproof.v +++ b/powerpc/SelectLongproof.v @@ -16,6 +16,7 @@ Require Import String Coqlib Maps Integers Floats Errors. Require Archi. Require Import AST Values Memory Globalenvs Events. Require Import Cminor Op CminorSel. +Require Import OpHelpers OpHelpersproof. Require Import SelectOp SelectOpproof SplitLong SplitLongproof. Require Import SelectLong. diff --git a/powerpc/SelectOp.vp b/powerpc/SelectOp.vp index d2ca408a..478ce251 100644 --- a/powerpc/SelectOp.vp +++ b/powerpc/SelectOp.vp @@ -43,6 +43,7 @@ Require Import Integers. Require Import Floats. Require Import Op. Require Import CminorSel. +Require Import OpHelpers. Local Open Scope cminorsel_scope. @@ -552,3 +553,10 @@ Nondetfunction builtin_arg (e: expr) := | Eop Oadd (e1:::e2:::Enil) => BA_addptr (BA e1) (BA e2) | _ => BA e end. + +(* floats *) +Definition divf_base (e1: expr) (e2: expr) := + Eop Odivf (e1 ::: e2 ::: Enil). + +Definition divfs_base (e1: expr) (e2: expr) := + Eop Odivfs (e1 ::: e2 ::: Enil). diff --git a/powerpc/SelectOpproof.v b/powerpc/SelectOpproof.v index 5f87d9b9..00b91e70 100644 --- a/powerpc/SelectOpproof.v +++ b/powerpc/SelectOpproof.v @@ -25,6 +25,8 @@ Require Import Cminor. Require Import Op. Require Import CminorSel. Require Import SelectOp. +Require Import OpHelpers. +Require Import OpHelpersproof. Local Open Scope cminorsel_scope. Local Transparent Archi.ptr64. @@ -77,8 +79,10 @@ 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. @@ -1044,4 +1048,24 @@ 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. |