[PATCH] D139119: [AArch64][SVE2p1] Make use of REVD instruction.

Sander de Smalen via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Dec 1 08:20:49 PST 2022


sdesmalen created this revision.
sdesmalen added reviewers: paulwalker-arm, david-arm.
Herald added subscribers: ctetreau, hiraditya, kristof.beyls, tschuett.
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Reversing double-words within a quard-word is possible using the REVD instruction
when SVE2p1 is enabled.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139119

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/sve-fixed-length-permute-rev.ll
  llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-permute-rev.ll

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