Description

Improve Function Multi Versioning support in NDK.

• Support Android API 23+
• New features:
  • rcpc3 - Load-Acquire RCpc instructions version 3.
  • mops - Memory Copy and Memory Set instructions.
• Adjust feature priorities, names, and mangling in accordance with the specification https://github.com/ARM-software/acle/blob/main/main/acle.md#function-multi-versioning
• Fix various crashes

Upstream bug

llvm/llvm-project#65669
llvm/llvm-project#81043

Commit to cherry-pick

LLVM commits to cherry-pick
llvm/llvm-project@30b0fdf
llvm/llvm-project@8ec50d6
llvm/llvm-project@b04fe22
llvm/llvm-project@e5fe3d2
llvm/llvm-project@1be0d9d
llvm/llvm-project@179ba12
llvm/llvm-project@f214933
llvm/llvm-project@99d7433
llvm/llvm-project@b42b7c8
llvm/llvm-project@e81ef46

Affected versions

r26

Canary version

No response

Host OS

Linux, Windows

Host OS version

Ubuntu 22.04 LTS

Affected ABIs

arm64-v8a