1  /* { dg-do compile } */
       2  /* { dg-require-effective-target arm_v8_2a_dotprod_neon_ok } */
       3  /* { dg-add-options arm_v8_2a_dotprod_neon }  */
       4  /* { dg-additional-options "-O3" } */
       5  
       6  #pragma GCC target "+nosve"
       7  
       8  #define N 1024
       9  
      10  unsigned char pix1[N], pix2[N];
      11  
      12  int foo (void)
      13  {
      14    int i_sum = 0;
      15    int i;
      16  
      17    for (i = 0; i < N; i++)
      18      i_sum += __builtin_abs (pix1[i] - pix2[i]);
      19  
      20    return i_sum;
      21  }
      22  
      23  /* { dg-final { scan-assembler-not {\tushll\t} } } */
      24  /* { dg-final { scan-assembler-not {\tushll2\t} } } */
      25  /* { dg-final { scan-assembler-not {\tusubl\t} } } */
      26  /* { dg-final { scan-assembler-not {\tusubl2\t} } } */
      27  /* { dg-final { scan-assembler-not {\tabs\t} } } */
      28  
      29  /* { dg-final { scan-assembler {\tuabd\t} } } */
      30  /* { dg-final { scan-assembler {\tudot\t} } } */