[all-commits] [llvm/llvm-project] 149f91: [compiler-rt][AArch64] Don't use x18 in __arm_sme_...

[Sander de Smalen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 149f91bad66972ad8bf0add5c79bf74055f6905a
      https://github.com/llvm/llvm-project/commit/149f91bad66972ad8bf0add5c79bf74055f6905a
  Author: Sander de Smalen <sander.desmalen at arm.com>
  Date:   2025-09-12 (Fri, 12 Sep 2025)

  Changed paths:
    M compiler-rt/lib/builtins/aarch64/sme-abi.S

  Log Message:
  -----------
  [compiler-rt][AArch64] Don't use x18 in __arm_sme_save (#157802)

The AAPCS recommends avoiding the use of x18 as it may be used for other
purposes such as a shadow call stack.

In this particular case it could just as well use x16 instead.



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