[PATCH] D144092: [RISCV] Lower interleave and deinterleave intrinsics

[Luke Lau via Phabricator via llvm-commits]

luke updated this revision to Diff 498005.
luke added a comment.

Rework lowering to use narrowing shifts in the deinterleave case where possible, and use a single gather that doesn't require viota for interleaving


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144092/new/

https://reviews.llvm.org/D144092

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.h
  llvm/test/CodeGen/RISCV/rvv/vector-deinterleave-fixed.ll
  llvm/test/CodeGen/RISCV/rvv/vector-deinterleave.ll
  llvm/test/CodeGen/RISCV/rvv/vector-interleave-fixed.ll
  llvm/test/CodeGen/RISCV/rvv/vector-interleave.ll

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