!sum
- go: Mul
  commutative: true
  documentation: !string |-
    // NAME multiplies corresponding elements of two vectors.
- go: MulEvenWiden
  commutative: true
  documentation: !string |-
    // NAME multiplies even-indexed elements, widening the result.
    // Result[i] = v1[2*i] * v2[2*i].
- go: MulHigh
  commutative: true
  documentation: !string |-
    // NAME multiplies elements and stores the high part of the result.
