import GHC.Real
import GHC.Read
import GHC.Arr
+import GHC.Err
import GHC.Word hiding (uncheckedShiftL64#, uncheckedShiftRL64#)
import GHC.Show
= I8# (narrow8Int# (word2Int# ((x'# `uncheckedShiftL#` i'#) `or#`
(x'# `uncheckedShiftRL#` (8# -# i'#)))))
where
- x'# = narrow8Word# (int2Word# x#)
- i'# = word2Int# (int2Word# i# `and#` int2Word# 7#)
+ !x'# = narrow8Word# (int2Word# x#)
+ !i'# = word2Int# (int2Word# i# `and#` int2Word# 7#)
bitSize _ = 8
isSigned _ = True
- {-# INLINE shiftR #-}
- -- same as the default definition, but we want it inlined (#2376)
- x `shiftR` i = x `shift` (-i)
-
{-# RULES
"fromIntegral/Int8->Int8" fromIntegral = id :: Int8 -> Int8
"fromIntegral/a->Int8" fromIntegral = \x -> case fromIntegral x of I# x# -> I8# (narrow8Int# x#)
= I16# (narrow16Int# (word2Int# ((x'# `uncheckedShiftL#` i'#) `or#`
(x'# `uncheckedShiftRL#` (16# -# i'#)))))
where
- x'# = narrow16Word# (int2Word# x#)
- i'# = word2Int# (int2Word# i# `and#` int2Word# 15#)
+ !x'# = narrow16Word# (int2Word# x#)
+ !i'# = word2Int# (int2Word# i# `and#` int2Word# 15#)
bitSize _ = 16
isSigned _ = True
- {-# INLINE shiftR #-}
- -- same as the default definition, but we want it inlined (#2376)
- x `shiftR` i = x `shift` (-i)
{-# RULES
"fromIntegral/Word8->Int16" fromIntegral = \(W8# x#) -> I16# (word2Int# x#)
bitSize _ = 32
isSigned _ = True
- {-# INLINE shiftR #-}
- -- same as the default definition, but we want it inlined (#2376)
- x `shiftR` i = x `shift` (-i)
{-# RULES
"fromIntegral/Int->Int32" fromIntegral = \(I# x#) -> I32# (intToInt32# x#)
= I32# (narrow32Int# (word2Int# ((x'# `uncheckedShiftL#` i'#) `or#`
(x'# `uncheckedShiftRL#` (32# -# i'#)))))
where
- x'# = narrow32Word# (int2Word# x#)
- i'# = word2Int# (int2Word# i# `and#` int2Word# 31#)
+ !x'# = narrow32Word# (int2Word# x#)
+ !i'# = word2Int# (int2Word# i# `and#` int2Word# 31#)
bitSize _ = 32
isSigned _ = True
- {-# INLINE shiftR #-}
- -- same as the default definition, but we want it inlined (#2376)
- x `shiftR` i = x `shift` (-i)
-
{-# RULES
"fromIntegral/Word8->Int32" fromIntegral = \(W8# x#) -> I32# (word2Int# x#)
"fromIntegral/Word16->Int32" fromIntegral = \(W16# x#) -> I32# (word2Int# x#)
= if r# `neInt64#` intToInt64# 0# then r# `plusInt64#` y# else intToInt64# 0#
| otherwise = r#
where
- r# = x# `remInt64#` y#
+ !r# = x# `remInt64#` y#
instance Read Int64 where
readsPrec p s = [(fromInteger x, r) | (x, r) <- readsPrec p s]
= I64# (word64ToInt64# ((x'# `uncheckedShiftL64#` i'#) `or64#`
(x'# `uncheckedShiftRL64#` (64# -# i'#))))
where
- x'# = int64ToWord64# x#
- i'# = word2Int# (int2Word# i# `and#` int2Word# 63#)
+ !x'# = int64ToWord64# x#
+ !i'# = word2Int# (int2Word# i# `and#` int2Word# 63#)
bitSize _ = 64
isSigned _ = True
- {-# INLINE shiftR #-}
- -- same as the default definition, but we want it inlined (#2376)
- x `shiftR` i = x `shift` (-i)
-
-
-- give the 64-bit shift operations the same treatment as the 32-bit
-- ones (see GHC.Base), namely we wrap them in tests to catch the
-- cases when we're shifting more than 64 bits to avoid unspecified
= I64# (word2Int# ((x'# `uncheckedShiftL#` i'#) `or#`
(x'# `uncheckedShiftRL#` (64# -# i'#))))
where
- x'# = int2Word# x#
- i'# = word2Int# (int2Word# i# `and#` int2Word# 63#)
+ !x'# = int2Word# x#
+ !i'# = word2Int# (int2Word# i# `and#` int2Word# 63#)
bitSize _ = 64
isSigned _ = True
- {-# INLINE shiftR #-}
- -- same as the default definition, but we want it inlined (#2376)
- x `shiftR` i = x `shift` (-i)
-
{-# RULES
"fromIntegral/a->Int64" fromIntegral = \x -> case fromIntegral x of I# x# -> I64# x#
"fromIntegral/Int64->a" fromIntegral = \(I64# x#) -> fromIntegral (I# x#)