RFR(L) Valhalla support for AArch64 v.05

Dmitry Samersoff dms at samersoff.net
Thu Jun 27 07:43:07 UTC 2019

Hello Everybody,

Please review v.05 of adding AArch64 support to lworld branch


What was done:

  Implemented Valhalla support for aarch64.

  Support for ValueTypePassFieldsAsArgs and ValueTypeReturnedAsFields
  is not completed and is not included into this webrev
  to reduce review and rebasing efforts.


   All tests in runtime/valhalla/valuetypes and in
compiler/valhalla/valuetypes/ are passed


   are passed after manually tweaking of output patterns, I have not
found a way to support both x86 and aarch64, so these tests remain
unchanged and run on x64 only.


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