[PATCH] D98085: [AMDGPU] Always expand system scope fp atomics on gfx90a

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec created this revision.
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FP atomics in system scope cannot be used and shall always
be expanded in a CAS loop.


https://reviews.llvm.org/D98085

Files:
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/test/CodeGen/AMDGPU/fp64-atomics-gfx90a.ll
  llvm/test/CodeGen/AMDGPU/global-atomics-fp.ll

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