[GHC] #9340: Implement new `clz` inline primop

[GHC]

#9340: Implement new `clz` inline primop
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              Reporter:  hvr         |            Owner:  hvr
                  Type:  feature     |           Status:  new
  request                            |        Milestone:  7.10.1
              Priority:  normal      |          Version:  7.8.2
             Component:  Compiler    |         Keywords:  primop clz
  (CodeGen)                          |     Architecture:  Unknown/Multiple
            Resolution:              |       Difficulty:  Unknown
      Operating System:              |       Blocked By:
  Unknown/Multiple                   |  Related Tickets:
       Type of failure:              |
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by hvr):

 * owner:   => hvr


Comment:

 I'm now actively working on this one. And I've already got semi-working
 code that I'll submit to Phab soon (some pre-requisite code is already
 submitted as Phab:D141)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9340#comment:2>
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