[all-commits] [llvm/llvm-project] d6a8a0: [AArch64][SVE2] Add the SVE2.1 bfmlslb and bfmlslt...

[david-arm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d6a8a0798f75d26caa3f49000aa7ab25a6dd354a
      https://github.com/llvm/llvm-project/commit/d6a8a0798f75d26caa3f49000aa7ab25a6dd354a
  Author: David Sherwood <david.sherwood at arm.com>
  Date:   2022-10-25 (Tue, 25 Oct 2022)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/AArch64SchedNeoverseN2.td
    M llvm/lib/Target/AArch64/SVEInstrFormats.td
    A llvm/test/MC/AArch64/SVE2p1/bfmlslb-diagnostics.s
    A llvm/test/MC/AArch64/SVE2p1/bfmlslb.s
    A llvm/test/MC/AArch64/SVE2p1/bfmlslt-diagnostics.s
    A llvm/test/MC/AArch64/SVE2p1/bfmlslt.s

  Log Message:
  -----------
  [AArch64][SVE2] Add the SVE2.1 bfmlslb and bfmlslt instructions

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

Differential Revision: https://reviews.llvm.org/D136439