[PATCH] D151312: [PowerPC][AIX] Enable quadword atomics by default for AIX

[Kai Luo via Phabricator via llvm-commits]

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On AIX, a libatomic supporting inline quadword atomic operations has been released, so that compatibility is not an issue now, we can enable quadword atomics by default.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D151312

Files:
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp
  llvm/test/CodeGen/PowerPC/atomics-i128-ldst.ll
  llvm/test/CodeGen/PowerPC/atomics-i128.ll

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