enable f16;

@group(0) @binding(0) var<uniform> u : mat4x4<f16>;

var<private> p : mat4x4<f16>;

@compute @workgroup_size(1)
fn f() {
  p = u;
  p[1] = u[0];
  p[1] = u[0].ywxz;
  p[0][1] = u[1][0];
}