[GHC] #7902: Add support for byte endianness swapping exposed as a primops

[GHC]

#7902: Add support for byte endianness swapping exposed as a primops
-------------------------------+--------------------------------------------
  Reporter:  tab               |          Owner:                  
      Type:  feature request   |         Status:  closed          
  Priority:  normal            |      Milestone:                  
 Component:  Compiler          |        Version:  7.7             
Resolution:  fixed             |       Keywords:  bswap endianness
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown      |     Difficulty:  Unknown         
  Testcase:                    |      Blockedby:                  
  Blocking:                    |        Related:                  
-------------------------------+--------------------------------------------

Comment(by tab):

 Thanks ! Let me know if this cause any problem, i'll be happy to
 investigate if it does.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7902#comment:12>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler