diff options
Diffstat (limited to 'compiler/codeGen/CgCallConv.hs')
| -rw-r--r-- | compiler/codeGen/CgCallConv.hs | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/compiler/codeGen/CgCallConv.hs b/compiler/codeGen/CgCallConv.hs index 2be57893dd..45edd64666 100644 --- a/compiler/codeGen/CgCallConv.hs +++ b/compiler/codeGen/CgCallConv.hs @@ -66,18 +66,18 @@ import Data.Bits ------------------------- mkArgDescr :: Name -> [Id] -> FCode ArgDescr mkArgDescr _nm args - = case stdPattern arg_reps of - Just spec_id -> return (ArgSpec spec_id) - Nothing -> return (ArgGen arg_bits) - where - arg_bits = argBits arg_reps - arg_reps = filter nonVoidArg (map idCgRep args) - -- Getting rid of voids eases matching of standard patterns - -argBits :: [CgRep] -> [Bool] -- True for non-ptr, False for ptr -argBits [] = [] -argBits (PtrArg : args) = False : argBits args -argBits (arg : args) = take (cgRepSizeW arg) (repeat True) ++ argBits args + = do dflags <- getDynFlags + let arg_bits = argBits dflags arg_reps + arg_reps = filter nonVoidArg (map idCgRep args) + -- Getting rid of voids eases matching of standard patterns + case stdPattern arg_reps of + Just spec_id -> return (ArgSpec spec_id) + Nothing -> return (ArgGen arg_bits) + +argBits :: DynFlags -> [CgRep] -> [Bool] -- True for non-ptr, False for ptr +argBits _ [] = [] +argBits dflags (PtrArg : args) = False : argBits dflags args +argBits dflags (arg : args) = take (cgRepSizeW dflags arg) (repeat True) ++ argBits dflags args stdPattern :: [CgRep] -> Maybe StgHalfWord stdPattern [] = Just ARG_NONE -- just void args, probably |