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Glasgow Haskell Compiler
GHC
Commits
44d7b259
Commit
44d7b259
authored
Dec 11, 2001
by
panne
Browse files
[project @ 2001-12-11 19:01:17 by panne]
More shifting #ifdef-ery... :-P
parent
14badcc7
Changes
2
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ghc/compiler/basicTypes/Unique.lhs
View file @
44d7b259
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...
@@ -120,7 +120,11 @@ i2w_s x = (x::Int#)
mkUnique (C# c) (I# i)
= MkUnique (w2i (tag `or#` bits))
where
#if __GLASGOW_HASKELL__ >= 503
tag = i2w (ord# c) `uncheckedShiftL#` i2w_s 24#
#else
tag = i2w (ord# c) `shiftL#` i2w_s 24#
#endif
bits = i2w i `and#` (i2w 16777215#){-``0x00ffffff''-}
unpkUnique (MkUnique u)
...
...
@@ -130,7 +134,11 @@ unpkUnique (MkUnique u)
in
(tag, i)
where
#if __GLASGOW_HASKELL__ >= 503
shiftr x y = uncheckedShiftRL# x y
#else
shiftr x y = shiftRL# x y
#endif
\end{code}
...
...
ghc/compiler/utils/UniqFM.lhs
View file @
44d7b259
...
...
@@ -800,10 +800,18 @@ shiftR_ :: FastInt -> FastInt -> FastInt
#if __GLASGOW_HASKELL__
{-# INLINE shiftL_ #-}
{-# INLINE shiftR_ #-}
#if __GLASGOW_HASKELL__ >= 503
shiftL_ n p = word2Int#((int2Word# n) `uncheckedShiftL#` p)
#else
shiftL_ n p = word2Int#((int2Word# n) `shiftL#` p)
#endif
shiftR_ n p = word2Int#((int2Word# n) `shiftr` p)
where
#if __GLASGOW_HASKELL__ >= 503
shiftr x y = uncheckedShiftRL# x y
#else
shiftr x y = shiftRL# x y
#endif
#else {- not GHC -}
shiftL_ n p = n * (2 ^ p)
...
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