import Types
import Data.Param.TFVec
import Data.RangedWord
+import CLasH.Translator.Annotations
-constant :: NaturalT n => e -> Op n e
+constant :: e -> Op D4 e
constant e a b =
- copy e
+ (e +> (e +> (e +> (singleton e))))
invop :: Op n Bit
invop a b = map hwnot a
-- Is any bit set?
--anyset :: (PositiveT n) => Op n Bit
-anyset :: NaturalT n => Op n Bit
+anyset :: (Bit -> Bit -> Bit) -> Op D4 Bit
--anyset a b = copy undefined (a' `hwor` b')
-anyset a b = constant (a' `hwor` b') a b
+anyset f a b = constant (a' `hwor` b') a b
where
- a' = foldl hwor Low a
- b' = foldl hwor Low b
+ a' = foldl f Low a
+ b' = foldl f Low b
+
+xhwor = hwor
type Op n e = (TFVec n e -> TFVec n e -> TFVec n e)
type Opcode = Bit
+{-# ANN actual_alu InitState #-}
+initstate = High
+
alu :: Op n e -> Op n e -> Opcode -> TFVec n e -> TFVec n e -> TFVec n e
alu op1 op2 opc a b =
case opc of
Low -> op1 a b
High -> op2 a b
+{-# ANN actual_alu TopEntity #-}
actual_alu :: Opcode -> TFVec D4 Bit -> TFVec D4 Bit -> TFVec D4 Bit
--actual_alu = alu (constant Low) andop
-actual_alu = alu anyset andop
+actual_alu = alu (anyset xhwor) andop