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| author | Xavier Leroy <xavier.leroy@inria.fr> | 2019-04-15 15:21:49 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2019-05-20 18:00:46 +0200 |
| commit | 996f2e071baaf52105714283d141af2eac8ffbfb (patch) | |
| tree | 0d3968e7cb130b2399fe53a30ac7b3b6405d2284 /x86/ValueAOp.v | |
| parent | d002919334e83904447957f666f0d48704c5e55b (diff) | |
| download | compcert-996f2e071baaf52105714283d141af2eac8ffbfb.tar.gz compcert-996f2e071baaf52105714283d141af2eac8ffbfb.zip | |
Implement a `Osel` operation for x86
The operation compiles down to conditional moves.
Diffstat (limited to 'x86/ValueAOp.v')
| -rw-r--r-- | x86/ValueAOp.v | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/x86/ValueAOp.v b/x86/ValueAOp.v index 1021a9c8..d0b8427a 100644 --- a/x86/ValueAOp.v +++ b/x86/ValueAOp.v @@ -160,6 +160,7 @@ Definition eval_static_operation (op: operation) (vl: list aval): aval := | Olongofsingle, v1::nil => longofsingle v1 | Osingleoflong, v1::nil => singleoflong 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. @@ -258,6 +259,7 @@ Proof. eapply eval_static_addressing_32_sound; eauto. eapply eval_static_addressing_64_sound; eauto. apply of_optbool_sound. eapply eval_static_condition_sound; eauto. + apply select_sound; auto. eapply eval_static_condition_sound; eauto. Qed. End SOUNDNESS. |