From: Christiaan Baaij Date: Tue, 30 Jun 2009 15:01:48 +0000 (+0200) Subject: Added builtin functions shiftl, shiftr, null, rotl, rotr X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Fc%CE%BBash.git;a=commitdiff_plain;h=033234e675f920e7577427a7328ede133ea40f94 Added builtin functions shiftl, shiftr, null, rotl, rotr --- diff --git a/Adders.hs b/Adders.hs index 57823bd..85e86c0 100644 --- a/Adders.hs +++ b/Adders.hs @@ -174,8 +174,8 @@ highordtest = \x -> xand a b = hwand a b -functiontest :: TFVec D4 (Bit, Bit) -> (TFVec D4 Bit, TFVec D4 Bit) -functiontest = \v -> let r = unzip v in r +functiontest :: TFVec D4 Bit -> (TFVec D4 Bit, TFVec D4 Bit) +functiontest = \v -> let r = (rotl v, rotr v) in r xhwnot x = hwnot x diff --git a/Constants.hs b/Constants.hs index 9a3c4dd..cfb9d55 100644 --- a/Constants.hs +++ b/Constants.hs @@ -95,8 +95,8 @@ lengthId = "length" -- | isnull (function null in original Haskell source) function identifier -isnullId :: String -isnullId = "isnull" +nullId :: String +nullId = "null" -- | replace function identifier diff --git a/Generate.hs b/Generate.hs index 1458919..7cd82f7 100644 --- a/Generate.hs +++ b/Generate.hs @@ -368,7 +368,8 @@ vectorFunId el_ty fname = do let functions = genUnconsVectorFuns elemTM vectorTM case lookup fname functions of Just body -> do - modA vsTypeFuns $ Map.insert (OrdType el_ty, fname) (function_id, body) + modA vsTypeFuns $ Map.insert (OrdType el_ty, fname) (function_id, (fst body)) + mapM_ (vectorFunId el_ty) (snd body) return function_id Nothing -> error $ "\nGenerate.vectorFunId: I don't know how to generate vector function " ++ fname where @@ -376,24 +377,29 @@ vectorFunId el_ty fname = do genUnconsVectorFuns :: AST.TypeMark -- ^ type of the vector elements -> AST.TypeMark -- ^ type of the vector - -> [(String, AST.SubProgBody)] + -> [(String, (AST.SubProgBody, [String]))] genUnconsVectorFuns elemTM vectorTM = - [ (exId, AST.SubProgBody exSpec [] [exExpr]) - , (replaceId, AST.SubProgBody replaceSpec [AST.SPVD replaceVar] [replaceExpr,replaceRet]) - , (headId, AST.SubProgBody headSpec [] [headExpr]) - , (lastId, AST.SubProgBody lastSpec [] [lastExpr]) - , (initId, AST.SubProgBody initSpec [AST.SPVD initVar] [initExpr, initRet]) - , (tailId, AST.SubProgBody tailSpec [AST.SPVD tailVar] [tailExpr, tailRet]) - , (takeId, AST.SubProgBody takeSpec [AST.SPVD takeVar] [takeExpr, takeRet]) - , (dropId, AST.SubProgBody dropSpec [AST.SPVD dropVar] [dropExpr, dropRet]) - , (plusgtId, AST.SubProgBody plusgtSpec [AST.SPVD plusgtVar] [plusgtExpr, plusgtRet]) - , (emptyId, AST.SubProgBody emptySpec [AST.SPCD emptyVar] [emptyExpr]) - , (singletonId, AST.SubProgBody singletonSpec [AST.SPVD singletonVar] [singletonRet]) - , (copynId, AST.SubProgBody copynSpec [AST.SPVD copynVar] [copynExpr]) - , (selId, AST.SubProgBody selSpec [AST.SPVD selVar] [selFor, selRet]) - , (ltplusId, AST.SubProgBody ltplusSpec [AST.SPVD ltplusVar] [ltplusExpr, ltplusRet] ) - , (plusplusId, AST.SubProgBody plusplusSpec [AST.SPVD plusplusVar] [plusplusExpr, plusplusRet]) - , (lengthTId, AST.SubProgBody lengthTSpec [] [lengthTExpr]) + [ (exId, (AST.SubProgBody exSpec [] [exExpr],[])) + , (replaceId, (AST.SubProgBody replaceSpec [AST.SPVD replaceVar] [replaceExpr,replaceRet],[])) + , (headId, (AST.SubProgBody headSpec [] [headExpr],[])) + , (lastId, (AST.SubProgBody lastSpec [] [lastExpr],[])) + , (initId, (AST.SubProgBody initSpec [AST.SPVD initVar] [initExpr, initRet],[])) + , (tailId, (AST.SubProgBody tailSpec [AST.SPVD tailVar] [tailExpr, tailRet],[])) + , (takeId, (AST.SubProgBody takeSpec [AST.SPVD takeVar] [takeExpr, takeRet],[])) + , (dropId, (AST.SubProgBody dropSpec [AST.SPVD dropVar] [dropExpr, dropRet],[])) + , (plusgtId, (AST.SubProgBody plusgtSpec [AST.SPVD plusgtVar] [plusgtExpr, plusgtRet],[])) + , (emptyId, (AST.SubProgBody emptySpec [AST.SPCD emptyVar] [emptyExpr],[])) + , (singletonId, (AST.SubProgBody singletonSpec [AST.SPVD singletonVar] [singletonRet],[])) + , (copynId, (AST.SubProgBody copynSpec [AST.SPVD copynVar] [copynExpr],[])) + , (selId, (AST.SubProgBody selSpec [AST.SPVD selVar] [selFor, selRet],[])) + , (ltplusId, (AST.SubProgBody ltplusSpec [AST.SPVD ltplusVar] [ltplusExpr, ltplusRet],[])) + , (plusplusId, (AST.SubProgBody plusplusSpec [AST.SPVD plusplusVar] [plusplusExpr, plusplusRet],[])) + , (lengthTId, (AST.SubProgBody lengthTSpec [] [lengthTExpr],[])) + , (shiftlId, (AST.SubProgBody shiftlSpec [AST.SPVD shiftlVar] [shiftlExpr, shiftlRet], [initId])) + , (shiftrId, (AST.SubProgBody shiftrSpec [AST.SPVD shiftrVar] [shiftrExpr, shiftrRet], [tailId])) + , (nullId, (AST.SubProgBody nullSpec [] [nullExpr], [])) + , (rotlId, (AST.SubProgBody rotlSpec [AST.SPVD rotlVar] [rotlExpr, rotlRet], [nullId, lastId, initId])) + , (rotrId, (AST.SubProgBody rotrSpec [AST.SPVD rotrVar] [rotrExpr, rotrRet], [nullId, tailId, headId])) ] where ixPar = AST.unsafeVHDLBasicId "ix" @@ -630,7 +636,97 @@ genUnconsVectorFuns elemTM vectorTM = lengthTSpec = AST.Function (mkVHDLExtId lengthTId) [AST.IfaceVarDec vecPar vectorTM] naturalTM lengthTExpr = AST.ReturnSm (Just $ AST.PrimName (AST.NAttribute $ AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing)) - + shiftlSpec = AST.Function (mkVHDLExtId shiftlId) [AST.IfaceVarDec vecPar vectorTM, + AST.IfaceVarDec aPar elemTM ] vectorTM + -- variable res : fsvec_x (0 to vec'length-1); + shiftlVar = + AST.VarDec resId + (AST.SubtypeIn vectorTM + (Just $ AST.ConstraintIndex $ AST.IndexConstraint + [AST.ToRange (AST.PrimLit "0") + (AST.PrimName (AST.NAttribute $ + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: + (AST.PrimLit "1")) ])) + Nothing + -- res := a & init(vec) + shiftlExpr = AST.NSimple resId AST.:= + (AST.PrimName (AST.NSimple aPar) AST.:&: + (AST.PrimFCall $ AST.FCall (AST.NSimple (mkVHDLExtId initId)) + [Nothing AST.:=>: AST.ADExpr (AST.PrimName $ AST.NSimple vecPar)])) + shiftlRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) + shiftrSpec = AST.Function (mkVHDLExtId shiftrId) [AST.IfaceVarDec vecPar vectorTM, + AST.IfaceVarDec aPar elemTM ] vectorTM + -- variable res : fsvec_x (0 to vec'length-1); + shiftrVar = + AST.VarDec resId + (AST.SubtypeIn vectorTM + (Just $ AST.ConstraintIndex $ AST.IndexConstraint + [AST.ToRange (AST.PrimLit "0") + (AST.PrimName (AST.NAttribute $ + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: + (AST.PrimLit "1")) ])) + Nothing + -- res := tail(vec) & a + shiftrExpr = AST.NSimple resId AST.:= + ((AST.PrimFCall $ AST.FCall (AST.NSimple (mkVHDLExtId tailId)) + [Nothing AST.:=>: AST.ADExpr (AST.PrimName $ AST.NSimple vecPar)]) AST.:&: + (AST.PrimName (AST.NSimple aPar))) + + shiftrRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) + nullSpec = AST.Function (mkVHDLExtId nullId) [AST.IfaceVarDec vecPar vectorTM] booleanTM + -- return vec'length = 0 + nullExpr = AST.ReturnSm (Just $ + AST.PrimName (AST.NAttribute $ + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:=: + AST.PrimLit "0") + rotlSpec = AST.Function (mkVHDLExtId rotlId) [AST.IfaceVarDec vecPar vectorTM] vectorTM + -- variable res : fsvec_x (0 to vec'length-1); + rotlVar = + AST.VarDec resId + (AST.SubtypeIn vectorTM + (Just $ AST.ConstraintIndex $ AST.IndexConstraint + [AST.ToRange (AST.PrimLit "0") + (AST.PrimName (AST.NAttribute $ + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: + (AST.PrimLit "1")) ])) + Nothing + -- if null(vec) then res := vec else res := last(vec) & init(vec) + rotlExpr = AST.IfSm (AST.PrimFCall $ AST.FCall (AST.NSimple (mkVHDLExtId nullId)) + [Nothing AST.:=>: AST.ADExpr (AST.PrimName $ AST.NSimple vecPar)]) + [AST.NSimple resId AST.:= (AST.PrimName $ AST.NSimple vecPar)] + [] + (Just $ AST.Else [rotlExprRet]) + where rotlExprRet = + AST.NSimple resId AST.:= + ((AST.PrimFCall $ AST.FCall (AST.NSimple (mkVHDLExtId lastId)) + [Nothing AST.:=>: AST.ADExpr (AST.PrimName $ AST.NSimple vecPar)]) AST.:&: + (AST.PrimFCall $ AST.FCall (AST.NSimple (mkVHDLExtId initId)) + [Nothing AST.:=>: AST.ADExpr (AST.PrimName $ AST.NSimple vecPar)])) + rotlRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) + rotrSpec = AST.Function (mkVHDLExtId rotrId) [AST.IfaceVarDec vecPar vectorTM] vectorTM + -- variable res : fsvec_x (0 to vec'length-1); + rotrVar = + AST.VarDec resId + (AST.SubtypeIn vectorTM + (Just $ AST.ConstraintIndex $ AST.IndexConstraint + [AST.ToRange (AST.PrimLit "0") + (AST.PrimName (AST.NAttribute $ + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: + (AST.PrimLit "1")) ])) + Nothing + -- if null(vec) then res := vec else res := tail(vec) & head(vec) + rotrExpr = AST.IfSm (AST.PrimFCall $ AST.FCall (AST.NSimple (mkVHDLExtId nullId)) + [Nothing AST.:=>: AST.ADExpr (AST.PrimName $ AST.NSimple vecPar)]) + [AST.NSimple resId AST.:= (AST.PrimName $ AST.NSimple vecPar)] + [] + (Just $ AST.Else [rotrExprRet]) + where rotrExprRet = + AST.NSimple resId AST.:= + ((AST.PrimFCall $ AST.FCall (AST.NSimple (mkVHDLExtId tailId)) + [Nothing AST.:=>: AST.ADExpr (AST.PrimName $ AST.NSimple vecPar)]) AST.:&: + (AST.PrimFCall $ AST.FCall (AST.NSimple (mkVHDLExtId headId)) + [Nothing AST.:=>: AST.ADExpr (AST.PrimName $ AST.NSimple vecPar)])) + rotrRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) ----------------------------------------------------------------------------- -- A table of builtin functions ----------------------------------------------------------------------------- @@ -657,11 +753,16 @@ globalNameTable = Map.fromList , (foldrId , (3, genFoldr ) ) , (zipId , (2, genZip ) ) , (unzipId , (1, genUnzip ) ) + , (shiftlId , (2, genFCall ) ) + , (shiftrId , (2, genFCall ) ) + , (rotlId , (1, genFCall ) ) + , (rotrId , (1, genFCall ) ) , (emptyId , (0, genFCall ) ) , (singletonId , (1, genFCall ) ) , (copynId , (2, genFCall ) ) , (copyId , (1, genCopy ) ) , (lengthTId , (1, genFCall ) ) + , (nullId , (1, genFCall ) ) , (hwxorId , (2, genOperator2 AST.Xor ) ) , (hwandId , (2, genOperator2 AST.And ) ) , (hworId , (2, genOperator2 AST.Or ) )