1  /* PR target/21149 */
       2  /* { dg-do run } */
       3  /* { dg-options "-O2 -msse" } */
       4  /* { dg-require-effective-target sse } */
       5  
       6  #include "sse-check.h"
       7  
       8  #include <xmmintrin.h>
       9  
      10  void
      11  __attribute__((noinline))
      12  check (__m128 x, float a, float b, float c, float d)
      13  {
      14    union { __m128 m; float f[4]; } u;
      15    u.m = x;
      16    if (u.f[0] != a || u.f[1] != b || u.f[2] != c || u.f[3] != d)
      17      abort ();
      18  }
      19  
      20  static inline
      21  void
      22  foo (__m128 *x)
      23  {
      24    __m128 y = _mm_setzero_ps ();
      25    __m128 v = _mm_movehl_ps (y, *x);
      26    __m128 w = _mm_movehl_ps (*x, y);
      27    check (*x, 9, 1, 2, -3);
      28    check (v, 2, -3, 0, 0);
      29    check (w, 0, 0, 2, -3);
      30  }
      31  
      32  static void
      33  sse_test (void)
      34  {
      35    __m128 y = _mm_set_ps (-3, 2, 1, 9);
      36    foo (&y);
      37  }