[PATCH] D118295: [RISCV] Use vnsrl.wx with x0 instead of vnsrl.vi for truncate.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: rogfer01, frasercrmck, khchen, eopXD, arcbbb.
Herald added subscribers: VincentWu, luke957, achieveartificialintelligence, vkmr, evandro, luismarques, apazos, sameer.abuasal, s.egerton, Jim, benna, psnobl, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, edward-jones, zzheng, jrtc27, kito-cheng, niosHD, sabuasal, simoncook, johnrusso, rbar, asb, hiraditya.
craig.topper requested review of this revision.
Herald added subscribers: pcwang-thead, MaskRay.
Herald added a project: LLVM.

This matches what the spec uses for the vncvt.x.x.w assembly
pseudoinstruction.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D118295

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
  llvm/test/CodeGen/RISCV/rvv/constant-folding.ll
  llvm/test/CodeGen/RISCV/rvv/ctlz-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/cttz-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/extload-truncstore.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-ctlz.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-cttz.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-extload-truncstore.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp2i.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-int-exttrunc.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-masked-gather.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-masked-scatter.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vpgather.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vpscatter.ll
  llvm/test/CodeGen/RISCV/rvv/legalize-scalable-vectortype.ll
  llvm/test/CodeGen/RISCV/rvv/mgather-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/mscatter-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vfptoi-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vpgather-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vpscatter-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vtruncs-sdnode.ll

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