[all-commits] [llvm/llvm-project] 09cf30: [AArch64][llvm] Armv9.7-A: Add support for new Adv...

[Jonathan Thackray via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 09cf301384ce29312347c608db4871f21af753fc
      https://github.com/llvm/llvm-project/commit/09cf301384ce29312347c608db4871f21af753fc
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2025-10-24 (Fri, 24 Oct 2025)

  Changed paths:
    M clang/test/Driver/print-supported-extensions-aarch64.c
    M llvm/lib/Target/AArch64/AArch64Features.td
    M llvm/lib/Target/AArch64/AArch64InstrFormats.td
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
    M llvm/test/MC/AArch64/FP8/fmmla-diagnostics.s
    A llvm/test/MC/AArch64/neon-fdot-diagnostics.s
    A llvm/test/MC/AArch64/neon-fdot.s
    A llvm/test/MC/AArch64/neon-fmmla-HtoS-diagnostics.s
    A llvm/test/MC/AArch64/neon-fmmla-HtoS.s
    A llvm/test/MC/AArch64/neon-fmmla-diagnostics.s
    A llvm/test/MC/AArch64/neon-fmmla.s
    M llvm/unittests/TargetParser/TargetParserTest.cpp

  Log Message:
  -----------
  [AArch64][llvm] Armv9.7-A: Add support for new Advanced SIMD (Neon) instructions (#163165)

Add support for new Advanced SIMD (Neon) instructions:

 - FDOT (half-precision to single-precision, by element)
 - FDOT (half-precision to single-precision, vector)
 - FMMLA (half-precision, non-widening)
 - FMMLA (widening, half-precision to single-precision)

as documented here:

  * https://developer.arm.com/documentation/ddi0602/2025-09/
  * https://developer.arm.com/documentation/109697/2025_09/2025-Architecture-Extensions

Co-authored-by: Kerry McLaughlin <kerry.mclaughlin at arm.com>
Co-authored-by: Caroline Concatto <caroline.concatto at arm.com>
Co-authored-by: Virginia Cangelosi <virginia.cangelosi at arm.com>



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