[GHC] #8972: Investigate adding fast compare-and-swap Int type/primops

[GHC]

#8972: Investigate adding fast compare-and-swap Int type/primops
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        Reporter:  tibbe             |            Owner:  tibbe
            Type:  feature request   |           Status:  closed
        Priority:  normal            |        Milestone:  7.10.1
       Component:  Compiler          |          Version:  7.9
      Resolution:  fixed             |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:  #8157, #7883
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Changes (by tibbe):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 We added atomic primops for byte arrays (which can be used to implement a
 single cell mutable variable) in d8abf85f8ca176854e9d5d0b12371c4bc402aac3.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8972#comment:14>
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