[GHC] #8296: Patch: new primops for byte range copies ByteArray# <-> Addr#

[GHC]

#8296: Patch: new primops for byte range copies ByteArray# <-> Addr#
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        Reporter:  duncan            |            Owner:
            Type:  feature request   |           Status:  closed
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.6.3
      Resolution:  fixed             |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by duncan):

 On reflection, there's probably no harm in leaving the primops as `State#
 s`. It's vaguely plausible it could be useful in a context like repa/dph
 which use `Addr#`s pointing into pinned `ByteArray#`s.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8296#comment:8>
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