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

[GHC]

#9661: Branchless ==# is compiled to branchy code
-------------------------------------+-------------------------------------
        Reporter:  dfeuer            |                   Owner:  bgamari
            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:  D854
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * differential:   => D854


Comment:

 Jan, this is a good point. The work is on hold at the moment while I
 finish up my thesis and move to Germany but regardless I've put up the
 current state of the patch on Phabricator.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9661#comment:20>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler