[all-commits] [llvm/llvm-project] 961ce3: [OpenMP] Add pre sm_70 load hack back in (#138589)

[Joseph Huber via All-commits]

  Branch: refs/heads/release/20.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 961ce35e29574eebfa82c447ac7fef8e499f53b9
      https://github.com/llvm/llvm-project/commit/961ce35e29574eebfa82c447ac7fef8e499f53b9
  Author: Joseph Huber <huberjn at outlook.com>
  Date:   2025-05-09 (Fri, 09 May 2025)

  Changed paths:
    M offload/DeviceRTL/include/Synchronization.h

  Log Message:
  -----------
  [OpenMP] Add pre sm_70 load hack back in (#138589)

Summary:
Different ordering modes aren't supported for an atomic load, so we just
do an add of zero as the same thing. It's less efficient, but it works.

Fixes https://github.com/llvm/llvm-project/issues/138560

(cherry picked from commit dfcb8cb2a92c9f72ddde5ea08dadf2f640197d32)



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