diff options
Diffstat (limited to 'ia32/Machregs.v')
-rw-r--r-- | ia32/Machregs.v | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ia32/Machregs.v b/ia32/Machregs.v index 34d88328..a9383d18 100644 --- a/ia32/Machregs.v +++ b/ia32/Machregs.v @@ -137,6 +137,7 @@ Definition destroyed_by_op (op: operation): list mreg := | Odivlu => AX :: DX :: nil | Omodl => AX :: DX :: nil | Omodlu => AX :: DX :: nil + | Oshrxlimm _ => DX :: nil | Ocmp _ => AX :: CX :: nil | _ => nil end. @@ -217,6 +218,7 @@ Definition mregs_for_operation (op: operation): list (option mreg) * option mreg | Oshll => (None :: Some CX :: nil, None) | Oshrl => (None :: Some CX :: nil, None) | Oshrlu => (None :: Some CX :: nil, None) + | Oshrxlimm _ => (Some AX :: nil, Some AX) | _ => (nil, None) end. @@ -313,6 +315,7 @@ Definition two_address_op (op: operation) : bool := | Oshllimm _ => true | Oshrl => true | Oshrlimm _ => true + | Oshrxlimm _ => false | Oshrlu => true | Oshrluimm _ => true | Ororlimm _ => true |