[GHC] #7554: Define __SSE__ when compiling with -msse

[GHC]

#7554: Define __SSE__ when compiling with -msse
-------------------------------+--------------------------------------------
  Reporter:  tibbe             |          Owner:                  
      Type:  feature request   |         Status:  new             
  Priority:  normal            |      Milestone:                  
 Component:  Compiler          |        Version:  7.6.1           
Resolution:                    |       Keywords:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown      |     Difficulty:  Unknown         
  Testcase:                    |      Blockedby:                  
  Blocking:                    |        Related:                  
-------------------------------+--------------------------------------------
Changes (by simonmar):

  * owner:  simonmar =>
  * difficulty:  => Unknown
  * status:  patch => new


Comment:

 Looks good to me.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7554#comment:3>
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