[all-commits] [llvm/llvm-project] c4026e: [LFI][libunwind] Omit unsuppported stg/za instruct...

[Zachary Yedidia via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c4026e4350fd4d70692f205aff8764055a8b4ce1
      https://github.com/llvm/llvm-project/commit/c4026e4350fd4d70692f205aff8764055a8b4ce1
  Author: Zachary Yedidia <zyedidia at gmail.com>
  Date:   2026-07-20 (Mon, 20 Jul 2026)

  Changed paths:
    M libunwind/src/DwarfInstructions.hpp
    M libunwind/src/UnwindRegistersSave.S

  Log Message:
  -----------
  [LFI][libunwind] Omit unsuppported stg/za instructions for LFI target (#209392)

Under the LFI target the SVE `za` are not currently supported, and
neither is the `stg` instruction. When included in an LFI program they
cause verification failures due to being unsupported instructions. This
patch omits them from compilation when targeting LFI.



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