[GHC] #9661: Branchless ==# is compiled to branchy code

[GHC]

#9661: Branchless ==# is compiled to branchy code
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        Reporter:  dfeuer            |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.9
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by bgamari):

 I started looking at this over the weekend and have started putting
 together a [[https://ghc.haskell.org/trac/ghc/wiki/RuleContexts|Wiki
 page]] describing the of Simon's proposal implementation

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9661#comment:17>
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