[all-commits] [llvm/llvm-project] 3c8344: [AArch64][SME] Fix broken compiler check for SME2 ...

[Amara Emerson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3c8344f7ba7e33febb93dec40374d55119c8571b
      https://github.com/llvm/llvm-project/commit/3c8344f7ba7e33febb93dec40374d55119c8571b
  Author: Amara Emerson <amara at apple.com>
  Date:   2025-01-06 (Mon, 06 Jan 2025)

  Changed paths:
    M compiler-rt/cmake/builtin-config-ix.cmake

  Log Message:
  -----------
  [AArch64][SME] Fix broken compiler check for SME2 support in compiler-rt (#121625)

This compile time test uses inline asm with `.arch` directives to set
the target feature. It is however broken and always fails, since each
`asm()` construct in LLVM sets up a new AsmParser, and therefore the
`.arch` directive has no effect on later `asm()` contents. To fix this
we need to use a single inline `asm()` call with the entire code chunk
to emit contained inside.



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