[all-commits] [llvm/llvm-project] 043cc5: [AArch64][compiler-rt] Add a function returning th...

[Kerry McLaughlin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 043cc5a2275d014766dd4ec2ad4fe07d5516ceef
      https://github.com/llvm/llvm-project/commit/043cc5a2275d014766dd4ec2ad4fe07d5516ceef
  Author: Kerry McLaughlin <kerry.mclaughlin at arm.com>
  Date:   2024-06-05 (Wed, 05 Jun 2024)

  Changed paths:
    M compiler-rt/lib/builtins/CMakeLists.txt
    A compiler-rt/lib/builtins/aarch64/sme-abi-vg.c
    M compiler-rt/lib/builtins/cpu_model/aarch64.c
    A compiler-rt/lib/builtins/cpu_model/aarch64.h

  Log Message:
  -----------
  [AArch64][compiler-rt] Add a function returning the current vector length (#92921)

__arm_get_current_vg emits a cntd instruction if in streaming mode or SVE is
available at runtime, otherwise it will return 0.



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