[all-commits] [llvm/llvm-project] df2de1: [WebAssembly] Autovec support for dot (#123207)

[Sam Parker via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: df2de1369571dafb65affc1063ce9f0d261206c7
      https://github.com/llvm/llvm-project/commit/df2de1369571dafb65affc1063ce9f0d261206c7
  Author: Sam Parker <sam.parker at arm.com>
  Date:   2025-02-03 (Mon, 03 Feb 2025)

  Changed paths:
    M llvm/lib/Target/WebAssembly/WebAssemblyISD.def
    M llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
    M llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h
    M llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
    M llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp
    M llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.h
    M llvm/test/CodeGen/WebAssembly/int-mac-reduction-loops.ll

  Log Message:
  -----------
  [WebAssembly] Autovec support for dot (#123207)

Enable the use of partial.reduce.add that we can lower to dot or a tree
of (add (extmul_low_u, extmul_high_u)) for the unsigned case. We support
both v8i16 and v16i8 inputs.



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