[GHC] #15327: Optimize remainders by powers of two for Integer and Natural

[GHC]

#15327: Optimize remainders by powers of two for Integer and Natural
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        Reporter:  Bodigrim          |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Core Libraries    |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #14437            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 In general optimizing operations on "small" `Integer`s seems like quite a
 worthwhile goal.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15327#comment:1>
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