[PATCH] D137685: [VP][RISCV] Add vp.nearbyint and RISC-V support.

[Yeting Kuo via Phabricator via llvm-commits]

fakepaper56 created this revision.
fakepaper56 added reviewers: craig.topper, reames, frasercrmck, eopXD, rogfer01.
Herald added subscribers: sunshaoce, VincentWu, StephenFan, vkmr, jdoerfert, evandro, luismarques, apazos, sameer.abuasal, s.egerton, Jim, benna, psnobl, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, edward-jones, zzheng, jrtc27, shiva0217, kito-cheng, niosHD, sabuasal, simoncook, johnrusso, rbar, asb, hiraditya, arichardson.
Herald added a project: All.
fakepaper56 requested review of this revision.
Herald added subscribers: llvm-commits, pcwang-thead, MaskRay.
Herald added a project: LLVM.

nearbyint has the property to execute without exception.
For not modifying fflags, the patch added new machine opcode
PseudoVFROUND_NOEXCEPT_V that expands vfcvt.x.f.v and vfcvt.f.x.v between a pair
of frflags and fsflags.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D137685

Files:
  llvm/docs/LangRef.rst
  llvm/include/llvm/IR/Intrinsics.td
  llvm/include/llvm/IR/VPIntrinsics.def
  llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.h
  llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
  llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
  llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
  llvm/test/Analysis/CostModel/RISCV/fround.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-nearbyint-vp.ll
  llvm/test/CodeGen/RISCV/rvv/nearbyint-vp.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D137685.474137.patch
Type: text/x-patch
Size: 91978 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20221109/e725b90e/attachment-0001.bin>