#include CHECK_H __m128i __attribute__((noinline)) foo (short x1, short x2, short x3, short x4, short x5, short x6, short x7, short x8) { return _mm_set_epi16 (x1, x2, x3, x4, x5, x6, x7, x8); } static void TEST (void) { short v[8] = { -3, 2, 1, 9, 23, -173, -13, 69 }; union128i_w u; u.x = foo (v[7], v[6], v[5], v[4], v[3], v[2], v[1], v[0]); if (check_union128i_w (u, v)) abort (); }