[all-commits] [llvm/llvm-project] 458c91: [AArch64][NEON] Lower fixed-width add partial redu...

[Sam Tebbs via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 458c91d810a133850ebbf9313defd38fe5e61b50
      https://github.com/llvm/llvm-project/commit/458c91d810a133850ebbf9313defd38fe5e61b50
  Author: Sam Tebbs <samuel.tebbs at arm.com>
  Date:   2024-09-06 (Fri, 06 Sep 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    A llvm/test/CodeGen/AArch64/neon-partial-reduce-dot-product.ll
    R llvm/test/CodeGen/AArch64/partial-reduce-dot-product.ll
    A llvm/test/CodeGen/AArch64/sve-partial-reduce-dot-product.ll

  Log Message:
  -----------
  [AArch64][NEON] Lower fixed-width add partial reductions to dot product (#107078)

This PR adds lowering for fixed-width <4 x i32> and <2 x i32> partial
reductions to a dot product when Neon and the dot product feature are
available.

The work is by Max Beck-Jones (@DevM-uk).



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