[all-commits] [llvm/llvm-project] faa87b: [AArch64] Lower scalable i64 CLMUL with SVE2/SME (...

[Matthew Devereau via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: faa87b02121fbb668fcf71260a63c88729b83abf
      https://github.com/llvm/llvm-project/commit/faa87b02121fbb668fcf71260a63c88729b83abf
  Author: Matthew Devereau <matthew.devereau at arm.com>
  Date:   2026-06-01 (Mon, 01 Jun 2026)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/clmul-scalable.ll

  Log Message:
  -----------
  [AArch64] Lower scalable i64 CLMUL with SVE2/SME (#198999)

When AES or SSVE-AES are not available, but SVE2 or SME are,
clmul.nxv2i64 can benefit from a cross-byte CLMUL of .S precision. This
re-uses the functionality added for nxv8i16.



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