diff options
| author |  xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2012-05-26 07:32:01 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2012-05-26 07:32:01 +0000 |
| commit | 132e36fa0be63eb5672eda9168403d3fb74af2fa (patch) | |
| tree | 33955e0ccb4210271c82326b941523e6e4b2c289 /powerpc/Op.v | |
| parent | 9ea00d39bb32c1f188f1af2745c3368da6a349c1 (diff) | |
CSE: add recognition of some combined operators, conditions, and addressing modes (cf. CombineOp.v)
Memory model: cleaning up Memdata
Inlining and new Constprop: updated for ARM.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1902 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'powerpc/Op.v')
| -rw-r--r-- | powerpc/Op.v | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/powerpc/Op.v b/powerpc/Op.v index 76c426b..986ea8c 100644 --- a/powerpc/Op.v +++ b/powerpc/Op.v @@ -420,20 +420,18 @@ Definition negate_condition (cond: condition): condition := end. Lemma eval_negate_condition: - forall cond vl m b, - eval_condition cond vl m = Some b -> - eval_condition (negate_condition cond) vl m = Some (negb b). + forall cond vl m, + eval_condition (negate_condition cond) vl m = option_map negb (eval_condition cond vl m). Proof. - intros. - destruct cond; simpl in H; FuncInv; simpl. - rewrite Val.negate_cmp_bool; rewrite H; auto. - rewrite Val.negate_cmpu_bool; rewrite H; auto. - rewrite Val.negate_cmp_bool; rewrite H; auto. - rewrite Val.negate_cmpu_bool; rewrite H; auto. - rewrite H; auto. - destruct (Val.cmpf_bool c v v0); simpl in H; inv H. rewrite negb_elim; auto. - rewrite H0; auto. - rewrite <- H0. rewrite negb_elim; auto. + intros. destruct cond; simpl. + repeat (destruct vl; auto). apply Val.negate_cmp_bool. + repeat (destruct vl; auto). apply Val.negate_cmpu_bool. + repeat (destruct vl; auto). apply Val.negate_cmp_bool. + repeat (destruct vl; auto). apply Val.negate_cmpu_bool. + repeat (destruct vl; auto). + repeat (destruct vl; auto). destruct (Val.cmpf_bool c v v0); auto. destruct b; auto. + destruct vl; auto. destruct v; auto. destruct vl; auto. + destruct vl; auto. destruct v; auto. destruct vl; auto. simpl. rewrite negb_involutive. auto. Qed. (** Shifting stack-relative references. This is used in [Stacking]. *) |