[GHC] #15250: Add support for _mm512_shuffle_epi8 intrinsic

[GHC]

#15250: Add support for _mm512_shuffle_epi8 intrinsic
-------------------------------------+-------------------------------------
           Reporter:  newhoggy       |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.6.1
          Component:  Compiler       |           Version:  8.4.3
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 {{{#!c
 __m512i _mm512_shuffle_epi8 (__m512i a, __m512i b)
 }}}

 See:

 https://software.intel.com/sites/landingpage/IntrinsicsGuide/#expand=765,3914,2929,4754,4757&text=_mm512_shuffle_epi8

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15250>
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