[all-commits] [llvm/llvm-project] 586c0a: [WebAssembly] Support partial-reduce accumulator (...

[Sam Parker via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 586c0ad918aa3e725224246260b458b4b90615c2
      https://github.com/llvm/llvm-project/commit/586c0ad918aa3e725224246260b458b4b90615c2
  Author: Sam Parker <sam.parker at arm.com>
  Date:   2025-09-12 (Fri, 12 Sep 2025)

  Changed paths:
    M llvm/lib/Target/WebAssembly/WebAssemblyISD.def
    M llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
    M llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
    M llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp
    A llvm/test/CodeGen/WebAssembly/partial-reduce-accumulate.ll

  Log Message:
  -----------
  [WebAssembly] Support partial-reduce accumulator (#158060)

We currently only support partial.reduce.add in the case where we are
performing a multiply-accumulate. Now add support for any partial
reduction where the input is being extended, where we can take advantage
of extadd_pairwise.



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