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| author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-04-12 12:56:12 +0200 |
|---|---|---|
| committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-04-12 12:56:12 +0200 |
| commit | 43e2036b6f10efdb7e63613067da16fa7fa4b421 (patch) | |
| tree | d4d3b89b1cce665b8eb3b3e87a8e195c95c48ec1 | |
| parent | af3bf7d993ebccd93577bc0986a6ab45729fdc1d (diff) | |
| download | compcert-kvx-43e2036b6f10efdb7e63613067da16fa7fa4b421.tar.gz compcert-kvx-43e2036b6f10efdb7e63613067da16fa7fa4b421.zip | |
some more simplification
| -rw-r--r-- | mppa_k1c/SelectOp.vp | 2 | ||||
| -rw-r--r-- | mppa_k1c/SelectOpproof.v | 14 |
2 files changed, 16 insertions, 0 deletions
diff --git a/mppa_k1c/SelectOp.vp b/mppa_k1c/SelectOp.vp index da0049fe..d5e3ee4a 100644 --- a/mppa_k1c/SelectOp.vp +++ b/mppa_k1c/SelectOp.vp @@ -365,7 +365,9 @@ Nondetfunction notint (e: expr) := | Eop Onxor (e1:::e2:::Enil) => Eop Oxor (e1:::e2:::Enil) | Eop (Onxorimm n) (e1:::Enil) => Eop (Oxorimm n) (e1:::Enil) | Eop Oandn (e1:::e2:::Enil) => Eop Oorn (e2:::e1:::Enil) + | Eop (Oandnimm n) (e1:::Enil) => Eop (Oorimm (Int.not n)) (e1:::Enil) | Eop Oorn (e1:::e2:::Enil) => Eop Oandn (e2:::e1:::Enil) + | Eop (Oornimm n) (e1:::Enil) => Eop (Oandimm (Int.not n)) (e1:::Enil) | Eop Onot (e1:::Enil) => e1 | Eop (Ointconst k) Enil => Eop (Ointconst (Int.not k)) Enil | _ => Eop Onot (e:::Enil) diff --git a/mppa_k1c/SelectOpproof.v b/mppa_k1c/SelectOpproof.v index 49980c51..fe2ff816 100644 --- a/mppa_k1c/SelectOpproof.v +++ b/mppa_k1c/SelectOpproof.v @@ -698,6 +698,7 @@ Proof. - subst x. exists (Val.xor v1 (Vint n)); split; trivial. econstructor. constructor. eassumption. constructor. simpl. reflexivity. + (* andn *) - subst x. TrivialExists. simpl. destruct v0; destruct v1; simpl; trivial. f_equal. f_equal. @@ -705,11 +706,24 @@ Proof. rewrite Int.not_involutive. apply Int.or_commut. - subst x. TrivialExists. simpl. + destruct v1; simpl; trivial. + f_equal. f_equal. + rewrite Int.not_and_or_not. + rewrite Int.not_involutive. + reflexivity. + (* orn *) + - subst x. TrivialExists. simpl. destruct v0; destruct v1; simpl; trivial. f_equal. f_equal. rewrite Int.not_or_and_not. rewrite Int.not_involutive. apply Int.and_commut. + - subst x. TrivialExists. simpl. + destruct v1; simpl; trivial. + f_equal. f_equal. + rewrite Int.not_or_and_not. + rewrite Int.not_involutive. + reflexivity. - subst x. exists v1; split; trivial. - TrivialExists. - TrivialExists. |