[GHC] #9777: -msse flag could be handled better by the driver

[GHC]

#9777: -msse flag could be handled better by the driver
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              Reporter:  jstolarek   |            Owner:  dredozubov
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Driver      |          Version:  7.9
            Resolution:              |         Keywords:  newcomer
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Moderate (less
       Type of failure:  Other       |  than a day)
             Test Case:              |       Blocked By:
              Blocking:              |  Related Tickets:  #8404
Differential Revisions:  Phab:D504   |
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Comment (by carter):

 additionally, im not sure if higher SSE numbers imply support for prior
 extensions, at least on non intel CPUS
 (in some cases it certainly does, but That maybe should be checked?)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9777#comment:10>
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