diff options
| author | Xavier Leroy <xavier.leroy@inria.fr> | 2019-04-15 17:50:30 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2019-05-20 18:00:46 +0200 |
| commit | 49342474c19558709c8cea6d70eaba9a4dd7a150 (patch) | |
| tree | 86fb6e9fc2081a71a2d770811164bb2f72b867e6 /arm/ValueAOp.v | |
| parent | 996f2e071baaf52105714283d141af2eac8ffbfb (diff) | |
| download | compcert-kvx-49342474c19558709c8cea6d70eaba9a4dd7a150.tar.gz compcert-kvx-49342474c19558709c8cea6d70eaba9a4dd7a150.zip | |
Implement a `Osel` operation for ARM
The operation comples down to conditional moves.
Both integer and floating-point conditional moves are supported.
Diffstat (limited to 'arm/ValueAOp.v')
| -rw-r--r-- | arm/ValueAOp.v | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arm/ValueAOp.v b/arm/ValueAOp.v index e19ddd6d..a3fd9d7d 100644 --- a/arm/ValueAOp.v +++ b/arm/ValueAOp.v @@ -127,6 +127,7 @@ Definition eval_static_operation (op: operation) (vl: list aval): aval := | Olowlong, v1::nil => loword v1 | Ohighlong, v1::nil => hiword v1 | Ocmp c, _ => of_optbool (eval_static_condition c vl) + | Osel c ty, v1::v2::vl => select (eval_static_condition c vl) v1 v2 | _, _ => Vbot end. @@ -205,6 +206,7 @@ Proof. rewrite Ptrofs.add_zero_l; eauto with va. fold (Val.sub (Vint i) a1). auto with va. apply of_optbool_sound. eapply eval_static_condition_sound; eauto. + apply select_sound; auto. eapply eval_static_condition_sound; eauto. Qed. End SOUNDNESS. |