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| author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-04-12 13:27:38 +0200 |
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| committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-04-12 13:27:38 +0200 |
| commit | 819e0e55f945923adc6e8cfccb2e7a9b44a814ac (patch) | |
| tree | bf914fb5bb94f601f6902d74ddab902fa6ce135c | |
| parent | 64d7dab2720d63e1b40ae893d76895a23c11e2d1 (diff) | |
| download | compcert-kvx-819e0e55f945923adc6e8cfccb2e7a9b44a814ac.tar.gz compcert-kvx-819e0e55f945923adc6e8cfccb2e7a9b44a814ac.zip | |
some simplifications (long)
| -rw-r--r-- | mppa_k1c/SelectLong.vp | 12 | ||||
| -rw-r--r-- | mppa_k1c/SelectLongproof.v | 46 |
2 files changed, 58 insertions, 0 deletions
diff --git a/mppa_k1c/SelectLong.vp b/mppa_k1c/SelectLong.vp index 6389bca2..ed2006b0 100644 --- a/mppa_k1c/SelectLong.vp +++ b/mppa_k1c/SelectLong.vp @@ -331,6 +331,18 @@ Nondetfunction notl (e: expr) := | Eop (Oorlimm n) (e1:::Enil) => Eop (Onorlimm n) (e1:::Enil) | Eop Oxorl (e1:::e2:::Enil) => Eop Onxorl (e1:::e2:::Enil) | Eop (Oxorlimm n) (e1:::Enil) => Eop (Onxorlimm n) (e1:::Enil) + | Eop Onandl (e1:::e2:::Enil) => Eop Oandl (e1:::e2:::Enil) + | Eop (Onandlimm n) (e1:::Enil) => Eop (Oandlimm n) (e1:::Enil) + | Eop Onorl (e1:::e2:::Enil) => Eop Oorl (e1:::e2:::Enil) + | Eop (Onorlimm n) (e1:::Enil) => Eop (Oorlimm n) (e1:::Enil) + | Eop Onxorl (e1:::e2:::Enil) => Eop Oxorl (e1:::e2:::Enil) + | Eop (Onxorlimm n) (e1:::Enil) => Eop (Oxorlimm n) (e1:::Enil) + | Eop Oandnl (e1:::e2:::Enil) => Eop Oornl (e2:::e1:::Enil) + | Eop (Oandnlimm n) (e1:::Enil) => Eop (Oorlimm (Int64.not n)) (e1:::Enil) + | Eop Oornl (e1:::e2:::Enil) => Eop Oandnl (e2:::e1:::Enil) + | Eop (Oornlimm n) (e1:::Enil) => Eop (Oandlimm (Int64.not n)) (e1:::Enil) + | Eop Onotl (e1:::Enil) => e1 + | Eop (Olongconst k) Enil => Eop (Olongconst (Int64.not k)) Enil | _ => Eop Onotl (e:::Enil) end. (* old: if Archi.splitlong then SplitLong.notl e else xorlimm Int64.mone e. *) diff --git a/mppa_k1c/SelectLongproof.v b/mppa_k1c/SelectLongproof.v index d4893eb8..0700ac4d 100644 --- a/mppa_k1c/SelectLongproof.v +++ b/mppa_k1c/SelectLongproof.v @@ -566,6 +566,52 @@ Proof. - TrivialExists; simpl; congruence. - TrivialExists; simpl; congruence. - TrivialExists; simpl; congruence. + - subst x. exists (Val.andl v1 v0); split; trivial. + econstructor. constructor. eassumption. constructor. + eassumption. constructor. simpl. reflexivity. + - subst x. exists (Val.andl v1 (Vlong n)); split; trivial. + econstructor. constructor. eassumption. constructor. + simpl. reflexivity. + - subst x. exists (Val.orl v1 v0); split; trivial. + econstructor. constructor. eassumption. constructor. + eassumption. constructor. simpl. reflexivity. + - subst x. exists (Val.orl v1 (Vlong n)); split; trivial. + econstructor. constructor. eassumption. constructor. + simpl. reflexivity. + - subst x. exists (Val.xorl v1 v0); split; trivial. + econstructor. constructor. eassumption. constructor. + eassumption. constructor. simpl. reflexivity. + - subst x. exists (Val.xorl v1 (Vlong n)); split; trivial. + econstructor. constructor. eassumption. constructor. + simpl. reflexivity. + (* andn *) + - subst x. TrivialExists. simpl. + destruct v0; destruct v1; simpl; trivial. + f_equal. f_equal. + rewrite Int64.not_and_or_not. + rewrite Int64.not_involutive. + apply Int64.or_commut. + - subst x. TrivialExists. simpl. + destruct v1; simpl; trivial. + f_equal. f_equal. + rewrite Int64.not_and_or_not. + rewrite Int64.not_involutive. + reflexivity. + (* orn *) + - subst x. TrivialExists. simpl. + destruct v0; destruct v1; simpl; trivial. + f_equal. f_equal. + rewrite Int64.not_or_and_not. + rewrite Int64.not_involutive. + apply Int64.and_commut. + - subst x. TrivialExists. simpl. + destruct v1; simpl; trivial. + f_equal. f_equal. + rewrite Int64.not_or_and_not. + rewrite Int64.not_involutive. + reflexivity. + - subst x. exists v1; split; trivial. + - TrivialExists. - TrivialExists. Qed. |