diff options
Diffstat (limited to 'mppa_k1c/SelectLong.vp')
| -rw-r--r-- | mppa_k1c/SelectLong.vp | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/mppa_k1c/SelectLong.vp b/mppa_k1c/SelectLong.vp index 31112dca..f7cb3c82 100644 --- a/mppa_k1c/SelectLong.vp +++ b/mppa_k1c/SelectLong.vp @@ -258,9 +258,17 @@ Nondetfunction andl (e1: expr) (e2: expr) := | Eop (Olongconst n1) Enil, t2 => andlimm n1 t2 | t1, Eop (Olongconst n2) Enil => andlimm n2 t1 | (Eop Onotl (t1:::Enil)), t2 => Eop Oandnl (t1:::t2:::Enil) - | t1, (Eop Onotl (t2:::Enil)) => Eop Oandnl (t2:::t1:::Enil) + | t1, (Eop Onotl (t2:::Enil)) => Eop Oandnl (t2:::t1:::Enil) | _, _ => Eop Oandl (e1:::e2:::Enil) end. +(* + | (Eop Ocast32signed + ((Eop Oneg ((Eop (Ocmp (Ccomplimm Cne zero1)) + (y1:::Enil)):::Enil)):::Enil)), v1 => + if Int64.eq zero1 Int64.zero + then Eop Oselectl ((Eop (Olongconst Int64.zero) Enil):::v1:::y1:::Enil) + else Eop Oandl (e1:::e2:::Enil) +*) Nondetfunction orlimm (n1: int64) (e2: expr) := if Int64.eq n1 Int64.zero then e2 else @@ -277,7 +285,18 @@ Nondetfunction orl (e1: expr) (e2: expr) := | Eop (Olongconst n1) Enil, t2 => orlimm n1 t2 | t1, Eop (Olongconst n2) Enil => orlimm n2 t1 | (Eop Onotl (t1:::Enil)), t2 => Eop Oornl (t1:::t2:::Enil) - | t1, (Eop Onotl (t2:::Enil)) => Eop Oornl (t2:::t1:::Enil) + | t1, (Eop Onotl (t2:::Enil)) => Eop Oornl (t2:::t1:::Enil) + | (Eop Oandl ((Eop Ocast32signed + ((Eop Oneg ((Eop (Ocmp (Ccomplimm Ceq zero0)) + (y0:::Enil)):::Enil)):::Enil)):::v0:::Enil)), + (Eop Oandl ((Eop Ocast32signed + ((Eop Oneg ((Eop (Ocmp (Ccomplimm Cne zero1)) + (y1:::Enil)):::Enil)):::Enil)):::v1:::Enil)) => + if same_expr_pure y0 y1 + && Int64.eq zero0 Int64.zero + && Int64.eq zero1 Int64.zero + then Eop (Oselectl (Ccompl0 Cne)) (v0:::v1:::y0:::Enil) + else Eop Oorl (e1:::e2:::Enil) | _, _ => Eop Oorl (e1:::e2:::Enil) end. |