Float32x4 shuffleMix(
Float32x4 other,
int mask
)

Shuffle the lane values in this and other. The returned Float32x4 will have XY lanes from this and ZW lanes from other. Uses the same mask as shuffle.

Source

/// Shuffle the lane values in [this] and [other]. The returned
/// Float32x4 will have XY lanes from [this] and ZW lanes from [other].
/// Uses the same [mask] as [shuffle].
Float32x4 shuffleMix(Float32x4 other, int mask);