1  /* { dg-do run } */
       2  /* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
       3  /* { dg-require-effective-target p8vector_hw } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "sse2-check.h"
       7  #endif
       8  
       9  #include CHECK_H
      10  
      11  #ifndef TEST
      12  #define TEST sse2_test_psubsw_1
      13  #endif
      14  
      15  #include <emmintrin.h>
      16  
      17  static __m128i
      18  __attribute__((noinline, unused))
      19  test (__m128i s1, __m128i s2)
      20  {
      21    __asm("" : "+v"(s1), "+v"(s2));
      22    return _mm_subs_epi16 (s1, s2); 
      23  }
      24  
      25  static void
      26  TEST (void)
      27  {
      28    union128i_w u, s1, s2;
      29    short e[8];
      30    int i, tmp;
      31     
      32    s1.x = _mm_set_epi16 (10,20,30,90,-80,-40,-100,-15);
      33    s2.x = _mm_set_epi16 (11, 98, 76, -100, -34, -78, -39, 14);
      34    u.x = test (s1.x, s2.x); 
      35     
      36    for (i = 0; i < 8; i++)
      37      {
      38        tmp = s1.a[i] - s2.a[i];
      39        
      40        if (tmp > 32767)
      41          tmp = 32767;
      42        if (tmp < -32768)
      43          tmp = -32768;
      44        
      45        e[i] = tmp;
      46      }
      47  
      48    if (check_union128i_w (u, e))
      49      abort ();
      50  }