[PATCH] D59259: [AArch64] Use faddp to implement fadd reductions.

[Sander de Smalen via Phabricator via llvm-commits]

sdesmalen updated this revision to Diff 205039.
sdesmalen edited the summary of this revision.
sdesmalen added a comment.

- Rebased patch.
- Following D60261 <https://reviews.llvm.org/D60261>, the scalar accumulator is either folded away or added separately as a scalar value, and so this patch only needs to focus on optimising the vector reduction itself.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59259/new/

https://reviews.llvm.org/D59259

Files:
  include/llvm/Target/TargetSelectionDAG.td
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/AArch64/AArch64InstrInfo.td
  test/CodeGen/AArch64/vecreduce-fadd-legalization.ll
  test/CodeGen/AArch64/vecreduce-fadd.ll

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