[GHC] #9346: AtomicPrimOps tests failing on 32-bit x86

[GHC]

#9346: AtomicPrimOps tests failing on 32-bit x86
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              Reporter:  niklasl     |             Owner:
                  Type:  bug         |            Status:  new
              Priority:  normal      |         Milestone:
             Component:  Compiler    |           Version:  7.9
            Resolution:              |          Keywords:
Differential Revisions:              |  Operating System:  Unknown/Multiple
          Architecture:              |   Type of failure:  None/Unknown
  Unknown/Multiple                   |         Test Case:
            Difficulty:  Unknown     |          Blocking:
            Blocked By:              |
       Related Tickets:              |
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Comment (by tibbe):

 The only reason `LOCK` is a separate instruction is that I wanted to avoid
 adding e.g. a separate `Bool` argument to the e.g. the `MOV` constructor,
 as I would have to fix *all* uses of that instruction.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9346#comment:8>
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