[vm/compiler] DIV/MOD magic for ARM64
[vm/compiler] DIV/MOD magic for ARM64

Rationale:
Follow up on prior CL, now with the ARM64 version.
Unit tests were included in that previous CL.
(https://dart-review.googlesource.com/c/sdk/+/114901)

https://github.com/dart-lang/sdk/issues/37789

Change-Id: I6177b48743cd615914dbfbddab166a6c71ef71c7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115064
Reviewed-by: Ryan Macnak <d738b7f001baf9789095d7dc549cff6de60b011d@google.com>
Commit-Queue: Aart Bik <293afa0533434225484ba3f9bf2859340baba6ea@google.com>

dart-archive/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk