[GHC] #5208: Unroll array copy/clone primops in the native and LLVM code generators

[GHC]

#5208: Unroll array copy/clone primops in the native and LLVM code generators
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    Reporter:  tibbe             |        Owner:              
        Type:  feature request   |       Status:  patch       
    Priority:  normal            |    Milestone:              
   Component:  Compiler          |      Version:  7.1         
    Keywords:                    |     Testcase:              
   Blockedby:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
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Changes (by tibbe):

  * status:  new => patch


Comment:

 The attached patch makes the array copy primops use the new
 memcpy/memmmove/memset `MachOp`s. Please review and apply.

 Remaining ToDo: Unroll the `MachOp`s in the x86(-64) backend.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5208#comment:5>
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