X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=c%CE%BBash%2FCLasH%2FVHDL%2FGenerate.hs;h=8ed25751449003b5f6ac19459275ee70aaaad0b1;hb=cf39807bf7b8424b6db0bc07a922a19972786735;hp=58810072de2dbcb322f9dca4073b9c8614b3a4d5;hpb=e5dd5cf96b276f6a3e480a6b1d2214f3701fa5dc;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git diff --git "a/c\316\273ash/CLasH/VHDL/Generate.hs" "b/c\316\273ash/CLasH/VHDL/Generate.hs" index 5881007..8ed2575 100644 --- "a/c\316\273ash/CLasH/VHDL/Generate.hs" +++ "b/c\316\273ash/CLasH/VHDL/Generate.hs" @@ -207,7 +207,7 @@ mkConcSm (bndr, app@(CoreSyn.App _ _))= do let valargs = get_val_args (Var.varType f) args genApplication (Left bndr) f (map Left valargs) --- A single alt case must be a selector. This means thee scrutinee is a simple +-- A single alt case must be a selector. This means the scrutinee is a simple -- variable, the alternative is a dataalt with a single non-wild binder that -- is also returned. mkConcSm (bndr, expr@(CoreSyn.Case (CoreSyn.Var scrut) b ty [alt])) @@ -232,14 +232,21 @@ mkConcSm (bndr, expr@(CoreSyn.Case (CoreSyn.Var scrut) b ty [alt])) -- binders in the alts and only variables in the case values and a variable -- for a scrutinee. We check the constructor of the second alt, since the -- first is the default case, if there is any. -mkConcSm (bndr, (CoreSyn.Case (CoreSyn.Var scrut) b ty [(_, _, CoreSyn.Var false), (con, _, CoreSyn.Var true)])) = do +-- mkConcSm (bndr, (CoreSyn.Case (CoreSyn.Var scrut) b ty [(_, _, CoreSyn.Var false), (con, _, CoreSyn.Var true)])) = do +-- scrut' <- MonadState.lift tsType $ varToVHDLExpr scrut +-- altcon <- MonadState.lift tsType $ altconToVHDLExpr con +-- let cond_expr = scrut' AST.:=: altcon +-- true_expr <- MonadState.lift tsType $ varToVHDLExpr true +-- false_expr <- MonadState.lift tsType $ varToVHDLExpr false +-- return ([mkCondAssign (Left bndr) cond_expr true_expr false_expr], []) + +mkConcSm (bndr, (CoreSyn.Case (CoreSyn.Var scrut) _ _ (alt:alts))) = do --error "\nVHDL.mkConcSm: Not in normal form: Case statement with more than two alternatives" scrut' <- MonadState.lift tsType $ varToVHDLExpr scrut - let cond_expr = scrut' AST.:=: (altconToVHDLExpr con) - true_expr <- MonadState.lift tsType $ varToVHDLExpr true - false_expr <- MonadState.lift tsType $ varToVHDLExpr false - return ([mkCondAssign (Left bndr) cond_expr true_expr false_expr], []) + altcons <- MonadState.lift tsType $ mapM (altconToVHDLExpr . (\(con,_,_) -> con)) (alts ++ [alt]) + let cond_exprs = map (\x -> scrut' AST.:=: x) (init altcons) + exprs <- MonadState.lift tsType $ mapM (varToVHDLExpr . (\(_,_,CoreSyn.Var expr) -> expr)) (alts ++ [alt]) + return ([mkAltsAssign (Left bndr) cond_exprs exprs], []) -mkConcSm (_, (CoreSyn.Case (CoreSyn.Var _) _ _ alts)) = error "\nVHDL.mkConcSm: Not in normal form: Case statement with more than two alternatives" mkConcSm (_, CoreSyn.Case _ _ _ _) = error "\nVHDL.mkConcSm: Not in normal form: Case statement has does not have a simple variable as scrutinee" mkConcSm (bndr, expr) = error $ "\nVHDL.mkConcSM: Unsupported binding in let expression: " ++ pprString bndr ++ " = " ++ pprString expr @@ -292,14 +299,16 @@ genVarArgs wrap dst func args = wrap dst func args' -- | A function to wrap a builder-like function that expects its arguments to -- be Literals genLitArgs :: - (dst -> func -> [Literal.Literal] -> res) - -> (dst -> func -> [Either CoreSyn.CoreExpr AST.Expr] -> res) -genLitArgs wrap dst func args = wrap dst func args' - where - args' = map exprToLit litargs - -- FIXME: Check if we were passed an CoreSyn.App - litargs = concat (map getLiterals exprargs) - (exprargs, []) = Either.partitionEithers args + (dst -> func -> [Literal.Literal] -> TranslatorSession [AST.ConcSm]) + -> (dst -> func -> [Either CoreSyn.CoreExpr AST.Expr] -> TranslatorSession [AST.ConcSm]) +genLitArgs wrap dst func args = do + hscenv <- MonadState.lift tsType $ getA tsHscEnv + let (exprargs, []) = Either.partitionEithers args + -- FIXME: Check if we were passed an CoreSyn.App + let litargs = concat (map (getLiterals hscenv) exprargs) + let args' = map exprToLit litargs + concsms <- wrap dst func args' + return concsms -- | A function to wrap a builder-like function that produces an expression -- and expects it to be assigned to the destination. @@ -881,7 +890,7 @@ genBlockRAM' (Left res) f args@[data_in,rdaddr,wraddr,wrenable] = do wform = AST.Wform [AST.WformElem data_in Nothing] ramassign = AST.SigAssign ramloc wform rising_edge_clk = genExprFCall rising_edge (AST.PrimName $ AST.NSimple clockId) - statement = AST.IfSm (AST.And rising_edge_clk (wrenable AST.:=: AST.PrimLit "'1'")) [ramassign] [] Nothing + statement = AST.IfSm (AST.And rising_edge_clk wrenable) [ramassign] [] Nothing ----------------------------------------------------------------------------- -- Function to generate VHDL for applications @@ -1446,6 +1455,10 @@ globalNameTable = Map.fromList , (hwnotId , (1, genOperator1 AST.Not ) ) , (equalityId , (2, genOperator2 (AST.:=:) ) ) , (inEqualityId , (2, genOperator2 (AST.:/=:) ) ) + , (ltId , (2, genOperator2 (AST.:<:) ) ) + , (lteqId , (2, genOperator2 (AST.:<=:) ) ) + , (gtId , (2, genOperator2 (AST.:>:) ) ) + , (gteqId , (2, genOperator2 (AST.:>=:) ) ) , (boolOrId , (2, genOperator2 AST.Or ) ) , (boolAndId , (2, genOperator2 AST.And ) ) , (plusId , (2, genOperator2 (AST.:+:) ) )