[PATCH] D81343: [AArch64] custom lowering for i128 popcount

[Shawn Landden via Phabricator via llvm-commits]

shawnl created this revision.
shawnl added reviewers: stuij, eli.friedman.
Herald added subscribers: llvm-commits, danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.

halves the number of CNT instructions generated


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D81343

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/popcount.ll

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