[GHC] #8256: adding locality levels to prefetch# and friends

[GHC]

#8256: adding locality levels to prefetch# and friends
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        Reporter:  carter            |            Owner:
            Type:  task              |           Status:  new
        Priority:  normal            |        Milestone:  7.8.1
       Component:  Compiler          |          Version:  7.7
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:  #8252 ,#8107
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Changes (by carter):

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


Comment:

 urk, forgot to push the additional cleanup using the feedback simon had:

 I'll push that commit onto my prefetch-docs branch again in a moment.
 https://github.com/cartazio/ghc/compare/prefetch-docs

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8256#comment:46>
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