[PATCH] D149488: [RISCV] Use AMOSWAP for 32 and 64-bit atomic stores

[Paul Kirth via Phabricator via llvm-commits]

paulkirth updated this revision to Diff 528877.
paulkirth added a comment.

Rebase and adpat code to use EnableSeqCstFence.

I should be able to test this on some existing hardware against the existing version and the trailing fence


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D149488/new/

https://reviews.llvm.org/D149488

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.h
  llvm/test/CodeGen/RISCV/atomic-load-store.ll

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