1  /* { dg-do run } */
       2  /* { dg-options "-O3 -mpower8-vector" } */
       3  /* { dg-require-effective-target p8vector_hw } */
       4  
       5  #define NO_WARN_X86_INTRINSICS 1
       6  #ifndef CHECK_H
       7  #define CHECK_H "mmx-check.h"
       8  #endif
       9  
      10  #ifndef TEST
      11  #define TEST mmx_test
      12  #endif
      13  
      14  #include CHECK_H
      15  
      16  #include <mmintrin.h>
      17  
      18  static __m64
      19  __attribute__((noinline, unused))
      20  test (__m64 s1, __m64 s2)
      21  {
      22    return _mm_sub_pi32 (s1, s2);
      23  }
      24  
      25  static __m64
      26  __attribute__((noinline, unused))
      27  test_alias (__m64 s1, __m64 s2)
      28  {
      29    return _m_psubd (s1, s2);
      30  }
      31  
      32  static void
      33  TEST (void)
      34  {
      35    __m64_union u, s1, s2;
      36    __m64_union e, v;
      37    int i;
      38     
      39    s1.as_m64 = _mm_setr_pi32 (30, 90);
      40    s2.as_m64 = _mm_setr_pi32 (76, -100);
      41    u.as_m64 = test (s1.as_m64, s2.as_m64);
      42    v.as_m64 = test_alias (s1.as_m64, s2.as_m64);
      43  
      44    for (i = 0; i < 2; i++)
      45       e.as_int[i] = s1.as_int[i] - s2.as_int[i];
      46  
      47    if (u.as_m64 != e.as_m64 || u.as_m64 != v.as_m64)
      48      abort ();
      49  }