diff options
| -rw-r--r-- | kvx/SelectOp.vp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kvx/SelectOp.vp b/kvx/SelectOp.vp index 295506b9..5ddd2ca7 100644 --- a/kvx/SelectOp.vp +++ b/kvx/SelectOp.vp @@ -435,10 +435,18 @@ Nondetfunction or (e1: expr) (e2: expr) := (Int.eq_dec nmask (Int.not mask')) then Eop (Oinsf zstop zstart) (prev:::fld:::Enil) else Eop Oor (e1:::e2:::Enil) + else let zstart := 0 in + let zstop := int_highest_bit mask in + if is_bitfield zstop zstart + then + let mask' := Int.repr (zbitfield_mask zstop zstart) in + if and_dec (Int.eq_dec mask mask') + (Int.eq_dec nmask (Int.not mask')) + then Eop (Oinsf zstop zstart) (prev:::fld:::Enil) + else Eop Oor (e1:::e2:::Enil) else Eop Oor (e1:::e2:::Enil) | _, _ => Eop Oor (e1:::e2:::Enil) end. -(* TODO traiter le cas pas de shift *) Nondetfunction xorimm (n1: int) (e2: expr) := if Int.eq n1 Int.zero |