[PATCH] D131352: [LoongArch] Add codegen support for bswap

[WÁNG Xuěruì via Phabricator via llvm-commits]

xen0n updated this revision to Diff 450687.
xen0n added a comment.

Enable revb.2h on LA32, use revb.2h + rotri.w to implement bswap.i32 on LA32.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131352/new/

https://reviews.llvm.org/D131352

Files:
  llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
  llvm/lib/Target/LoongArch/LoongArchISelLowering.h
  llvm/lib/Target/LoongArch/LoongArchInstrInfo.td
  llvm/test/CodeGen/LoongArch/bswap.ll

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