    {-# LANGUAGE CPP, MagicHash, NoImplicitPrelude, UnliftedFFITypes #-}
    {-# OPTIONS_HADDOCK hide #-}
    -----------------------------------------------------------------------------
    -- |
    -- Module      :  GHC.IntWord64
    -- Copyright   :  (c) The University of Glasgow, 1997-2008
    -- License     :  see libraries/ghc-prim/LICENSE
    --
    -- Maintainer  :  cvs-ghc@haskell.org
    -- Stability   :  internal
    -- Portability :  non-portable (GHC Extensions)
    --
    -- Primitive operations on Int64# and Word64# on platforms where
    -- WORD_SIZE_IN_BITS < 64.
    --
    -----------------------------------------------------------------------------

    #include "MachDeps.h"

    module GHC.IntWord64 (
    #if WORD_SIZE_IN_BITS < 64
            Int64#, Word64#, module GHC.IntWord64
    #endif
        ) where

    #if WORD_SIZE_IN_BITS < 64
    import GHC.Prim

    foreign import ccall unsafe "hs_eqWord64"    eqWord64#     :: Word64# -> Word64# -> Int#
    foreign import ccall unsafe "hs_neWord64"    neWord64#     :: Word64# -> Word64# -> Int#
    foreign import ccall unsafe "hs_ltWord64"    ltWord64#     :: Word64# -> Word64# -> Int#
    foreign import ccall unsafe "hs_leWord64"    leWord64#     :: Word64# -> Word64# -> Int#
    foreign import ccall unsafe "hs_gtWord64"    gtWord64#     :: Word64# -> Word64# -> Int#
    foreign import ccall unsafe "hs_geWord64"    geWord64#     :: Word64# -> Word64# -> Int#

    foreign import ccall unsafe "hs_eqInt64"     eqInt64#      :: Int64# -> Int64# -> Int#
    foreign import ccall unsafe "hs_neInt64"     neInt64#      :: Int64# -> Int64# -> Int#
    foreign import ccall unsafe "hs_ltInt64"     ltInt64#      :: Int64# -> Int64# -> Int#
    foreign import ccall unsafe "hs_leInt64"     leInt64#      :: Int64# -> Int64# -> Int#
    foreign import ccall unsafe "hs_gtInt64"     gtInt64#      :: Int64# -> Int64# -> Int#
    foreign import ccall unsafe "hs_geInt64"     geInt64#      :: Int64# -> Int64# -> Int#
    foreign import ccall unsafe "hs_quotInt64"   quotInt64#    :: Int64# -> Int64# -> Int64#
    foreign import ccall unsafe "hs_remInt64"    remInt64#     :: Int64# -> Int64# -> Int64#

    foreign import ccall unsafe "hs_plusInt64"   plusInt64#    :: Int64# -> Int64# -> Int64#
    foreign import ccall unsafe "hs_minusInt64"  minusInt64#   :: Int64# -> Int64# -> Int64#
    foreign import ccall unsafe "hs_timesInt64"  timesInt64#   :: Int64# -> Int64# -> Int64#
    foreign import ccall unsafe "hs_negateInt64" negateInt64#  :: Int64# -> Int64#
    foreign import ccall unsafe "hs_quotWord64"  quotWord64#   :: Word64# -> Word64# -> Word64#
    foreign import ccall unsafe "hs_remWord64"   remWord64#    :: Word64# -> Word64# -> Word64#

    foreign import ccall unsafe "hs_and64"       and64#        :: Word64# -> Word64# -> Word64#
    foreign import ccall unsafe "hs_or64"        or64#         :: Word64# -> Word64# -> Word64#
    foreign import ccall unsafe "hs_xor64"       xor64#        :: Word64# -> Word64# -> Word64#
    foreign import ccall unsafe "hs_not64"       not64#        :: Word64# -> Word64#

    foreign import ccall unsafe "hs_uncheckedShiftL64"   uncheckedShiftL64#   :: Word64# -> Int# -> Word64#
    foreign import ccall unsafe "hs_uncheckedShiftRL64"  uncheckedShiftRL64#  :: Word64# -> Int# -> Word64#
    foreign import ccall unsafe "hs_uncheckedIShiftL64"  uncheckedIShiftL64#  :: Int64# -> Int# -> Int64#
    foreign import ccall unsafe "hs_uncheckedIShiftRA64" uncheckedIShiftRA64# :: Int64# -> Int# -> Int64#
    foreign import ccall unsafe "hs_uncheckedIShiftRL64" uncheckedIShiftRL64# :: Int64# -> Int# -> Int64#

    foreign import ccall unsafe "hs_int64ToWord64"   int64ToWord64#   :: Int64# -> Word64#
    foreign import ccall unsafe "hs_word64ToInt64"   word64ToInt64#   :: Word64# -> Int64#
    foreign import ccall unsafe "hs_intToInt64"      intToInt64#      :: Int# -> Int64#
    foreign import ccall unsafe "hs_int64ToInt"      int64ToInt#      :: Int64# -> Int#
    foreign import ccall unsafe "hs_wordToWord64"    wordToWord64#    :: Word# -> Word64#
    foreign import ccall unsafe "hs_word64ToWord"    word64ToWord#    :: Word64# -> Word#

    #endif