[PATCH] D118394: [AArch64][NEON][SVE] Lower FCOPYSIGN using AArch64ISD::BSP

[David Truby via Phabricator via llvm-commits]

DavidTruby created this revision.
Herald added subscribers: ctetreau, psnobl, hiraditya, kristof.beyls, tschuett.
Herald added a reviewer: efriedma.
DavidTruby requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

This patch modifies the FCOPYSIGN lowering to go through the BSP
pseudo-instruction. This allows the same lowering code for NEON,
SVE and SVE2.

As part of this, lowering for BSP for SVE and SVE2 is also added.

For SVE and NEON this patch is NFC.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D118394

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
  llvm/lib/Target/AArch64/SVEInstrFormats.td
  llvm/test/CodeGen/AArch64/arm64-fcopysign.ll
  llvm/test/CodeGen/AArch64/f16-instructions.ll
  llvm/test/CodeGen/AArch64/fcopysign.ll
  llvm/test/CodeGen/AArch64/sve-fcopysign.ll
  llvm/test/CodeGen/AArch64/vector-fcopysign.ll

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