[GHC] #10383: AArch64: get GHC Calling convention working

[GHC]

#10383: AArch64: get GHC Calling convention working
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        Reporter:  erikd                |                Owner:  erikd
            Type:  feature request      |               Status:  new
        Priority:  normal               |            Milestone:  8.0.1
       Component:  Compiler             |              Version:  7.11
      Resolution:                       |             Keywords:
Operating System:  Unknown/Multiple     |         Architecture:  aarch64
 Type of failure:  Building GHC failed  |            Test Case:
      Blocked By:                       |             Blocking:
 Related Tickets:                       |  Differential Rev(s):
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Comment (by erikd):

 GHC builds fine on arm64 in un-registerised mode. I haven't built any
 packages, but it should just work.

 The problem in this ticket is only about registerised mode (See
 https://ghc.haskell.org/trac/ghc/wiki/Building/Unregisterised). The only
 (main?) problem with un-registerised mode is that the compiler and its
 executables are far slower than

 I have what seem to be working ghc-7.8.4 and ghc-7.10.2 compilers (un-
 registerised) on Debian.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10383#comment:22>
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