[all-commits] [llvm/llvm-project] ce17dc: AArch64: Use consistent atomicrmw expansion for FP...

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/aarch64-fp-atomic-expansion
  Home:   https://github.com/llvm/llvm-project
  Commit: ce17dc93b96d8b71d81b7c283dbf8f46538581a0
      https://github.com/llvm/llvm-project/commit/ce17dc93b96d8b71d81b7c283dbf8f46538581a0
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-08-14 (Wed, 14 Aug 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/atomicrmw-fadd.ll
    M llvm/test/CodeGen/AArch64/atomicrmw-fmax.ll
    M llvm/test/CodeGen/AArch64/atomicrmw-fmin.ll
    M llvm/test/CodeGen/AArch64/atomicrmw-fsub.ll

  Log Message:
  -----------
  AArch64: Use consistent atomicrmw expansion for FP operations

Use LLSC or cmpxchg in the same cases as for the unsupported
integer operations. This required some fixups to the LLSC
implementatation to deal with the fp128 case.



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