[PATCH] D136439: [AArch64][SVE2] Add the SVE2.1 bfmlslb and bfmlslt instructions

[David Sherwood via Phabricator via llvm-commits]

david-arm created this revision.
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This patch adds the assembly/disassembly for the following instructions:

BFMLSLB : BFloat16 floating-point multiply-subtract long

  from single-precision (bottom)

BFMLSLT : BFloat16 floating-point multiply-subtract long

  from single-precision (top)

Both the vector and indexed forms are added for each.

The reference can be found here:
https://developer.arm.com/documentation/ddi0602/2022-09


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D136439

Files:
  llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
  llvm/lib/Target/AArch64/SVEInstrFormats.td
  llvm/test/MC/AArch64/SVE2/bfmlslb_sme2_or_sve2p1-diagnostics.s
  llvm/test/MC/AArch64/SVE2/bfmlslb_sme2_or_sve2p1.s
  llvm/test/MC/AArch64/SVE2/bfmlslt_sme2_or_sve2p1-diagnostics.s
  llvm/test/MC/AArch64/SVE2/bfmlslt_sme2_or_sve2p1.s

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