-- import Debug.Trace
#endif
-#if __GLASGOW_HASKELL__ >= 504
import Data.Array.ST
-#endif
import Control.Monad.ST
#if x86_64_TARGET_ARCH
#endif
where r = i .&. 0xffffffff
q = i `shiftR` 32
+pprStatics (CmmStaticLit (CmmInt i rep) : rest)
+ | machRepByteWidth rep /= wORD_SIZE
+ = panic "pprStatics: cannot emit a non-word-sized static literal"
pprStatics (CmmStaticLit lit : rest)
= pprLit1 lit : pprStatics rest
pprStatics (other : rest)
| machRepByteWidth F64 == wORD_SIZE = False
| otherwise = panic "big_doubles"
-#if __GLASGOW_HASKELL__ >= 504
-newFloatArray :: (Int,Int) -> ST s (STUArray s Int Float)
-newFloatArray = newArray_
-
-newDoubleArray :: (Int,Int) -> ST s (STUArray s Int Double)
-newDoubleArray = newArray_
-
castFloatToIntArray :: STUArray s Int Float -> ST s (STUArray s Int Int)
castFloatToIntArray = castSTUArray
castDoubleToIntArray :: STUArray s Int Double -> ST s (STUArray s Int Int)
castDoubleToIntArray = castSTUArray
-writeFloatArray :: STUArray s Int Float -> Int -> Float -> ST s ()
-writeFloatArray = writeArray
-
-writeDoubleArray :: STUArray s Int Double -> Int -> Double -> ST s ()
-writeDoubleArray = writeArray
-
-readIntArray :: STUArray s Int Int -> Int -> ST s Int
-readIntArray = readArray
-
-#else
-
-castFloatToIntArray :: MutableByteArray s t -> ST s (MutableByteArray s t)
-castFloatToIntArray = return
-
-castDoubleToIntArray :: MutableByteArray s t -> ST s (MutableByteArray s t)
-castDoubleToIntArray = return
-
-#endif
-
-- floats are always 1 word
floatToWord :: Rational -> CmmLit
floatToWord r
= runST (do
- arr <- newFloatArray ((0::Int),0)
- writeFloatArray arr 0 (fromRational r)
+ arr <- newArray_ ((0::Int),0)
+ writeArray arr 0 (fromRational r)
arr' <- castFloatToIntArray arr
- i <- readIntArray arr' 0
+ i <- readArray arr' 0
return (CmmInt (toInteger i) wordRep)
)
doubleToWords r
| big_doubles -- doubles are 2 words
= runST (do
- arr <- newDoubleArray ((0::Int),1)
- writeDoubleArray arr 0 (fromRational r)
+ arr <- newArray_ ((0::Int),1)
+ writeArray arr 0 (fromRational r)
arr' <- castDoubleToIntArray arr
- i1 <- readIntArray arr' 0
- i2 <- readIntArray arr' 1
+ i1 <- readArray arr' 0
+ i2 <- readArray arr' 1
return [ CmmInt (toInteger i1) wordRep
, CmmInt (toInteger i2) wordRep
]
)
| otherwise -- doubles are 1 word
= runST (do
- arr <- newDoubleArray ((0::Int),0)
- writeDoubleArray arr 0 (fromRational r)
+ arr <- newArray_ ((0::Int),0)
+ writeArray arr 0 (fromRational r)
arr' <- castDoubleToIntArray arr
- i <- readIntArray arr' 0
+ i <- readArray arr' 0
return [ CmmInt (toInteger i) wordRep ]
)