1  /* { dg-do run } */
       2  /* { dg-options "-O2 -msse2" } */
       3  /* { dg-require-effective-target sse2 } */
       4  #include "sse2-check.h"
       5  #include <xmmintrin.h>
       6  extern void abort();
       7  int untrue = 0;
       8  typedef union {
       9    __v4sf v;
      10    float f[4];
      11  } u;
      12  void foo (u, u) __attribute__((noinline));
      13  void foo (u a, u b) {
      14    if (b.f[0] != 7.0 || b.f[1] != 8.0 || b.f[2] != 3.0 || b.f[3] != 4.0)
      15      abort();
      16  }
      17  void bar (__v4sf, __v4sf) __attribute__((noinline));
      18  void bar (__v4sf a __attribute((unused)), __v4sf b __attribute((unused))) { untrue = 0;}
      19  __v4sf setupa () __attribute((noinline));
      20  __v4sf setupa () { __v4sf t = { 1.0, 2.0, 3.0, 4.0 }; return t; }
      21  __v4sf setupb () __attribute((noinline));
      22  __v4sf setupb () { __v4sf t = { 5.0, 6.0, 7.0, 8.0 }; return t; }
      23  void __attribute__((noinline))
      24  sse2_test(void) {
      25    u a, b;
      26    a.v = setupa ();
      27    b.v = setupb ();
      28    if (untrue)
      29      bar(a.v, b.v);
      30    b.v = (__v4sf) _mm_movehl_ps ((__m128)a.v, (__m128)b.v);
      31    foo (a, b);
      32  }