diff options
author | Xavier Leroy <xavier.leroy@college-de-france.fr> | 2019-04-14 10:47:14 +0200 |
---|---|---|
committer | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2019-05-20 18:00:46 +0200 |
commit | 43e7b6702a76306f20687bc9aba93ae465d6e4be (patch) | |
tree | 48531b9f57986b01315d2b3f87f8ac43b72c4c42 /powerpc/ValueAOp.v | |
parent | 72ab6ad1dcf13dd61d3bdb896660b0f399e9f8a5 (diff) | |
download | compcert-kvx-43e7b6702a76306f20687bc9aba93ae465d6e4be.tar.gz compcert-kvx-43e7b6702a76306f20687bc9aba93ae465d6e4be.zip |
Implement a `Osel` operation for PowerPC
This operation compiles down to an `isel` instruction (conditional move).
The semantics is given by `Val.select`.
Diffstat (limited to 'powerpc/ValueAOp.v')
-rw-r--r-- | powerpc/ValueAOp.v | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/powerpc/ValueAOp.v b/powerpc/ValueAOp.v index f7f65e9e..a270d857 100644 --- a/powerpc/ValueAOp.v +++ b/powerpc/ValueAOp.v @@ -141,6 +141,7 @@ 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. @@ -211,6 +212,7 @@ Proof. apply rolml_sound; auto. apply floatofwords_sound; auto. apply of_optbool_sound. eapply eval_static_condition_sound; eauto. + apply select_sound; auto. eapply eval_static_condition_sound; eauto. Qed. End SOUNDNESS. |