[GHC] #8033: add AVX register support to llvm calling convention

[GHC]

#8033: add AVX register support to llvm calling convention
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Reporter:  carter            |          Owner:  carter          
    Type:  task              |         Status:  new             
Priority:  normal            |      Component:  Compiler        
 Version:  7.7               |       Keywords:                  
      Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
 Failure:  None/Unknown      |      Blockedby:                  
Blocking:                    |        Related:                  
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Comment(by carter):

 @gmainland I don't understand your remark about the registers comment...
 XMM_n is the lower half of the corresponding YMM_n, the additional rule
 only fires for "256 bit" vectors, otherwise the lower half is used
 instead. Could you show me which comment you want to change and how?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/8033#comment:6>
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