[PATCH] D142366: [AArch64] Codegen for FEAT_LSE128

[Tomas Matheson via Phabricator via llvm-commits]

tmatheson created this revision.
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Codegen support for 128-bit atomicrmw (and|or|xchg):

- store atomic -> swpp
- atomicrmw xchg -> swpp
- atomicrmw and -> ldclrp
- atomicrmw or -> ldsetp

Differential Review: https://reviews.llvm.org/D141406


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142366

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/Atomics/aarch64-atomic-store-lse128.ll
  llvm/test/CodeGen/AArch64/Atomics/aarch64-atomicrmw-lse128.ll
  llvm/test/CodeGen/AArch64/Atomics/aarch64_be-atomic-store-lse128.ll
  llvm/test/CodeGen/AArch64/Atomics/aarch64_be-atomicrmw-lse128.ll

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