(module
    (memory (export "mem") 1 1)
    (func (export "runif") (param $cond i32)
      i32.const 48
      (v128.load (i32.const 0))
      (v128.load (i32.const 16))
      (if (param v128) (param v128) (result v128 v128)
          (local.get $cond)
          (then i64x2.add
                (v128.load (i32.const 32)))
          (else i32x4.sub
                (v128.load (i32.const 0))))
      i16x8.mul
      v128.store)
)