1  /* { dg-do run } */
       2  /* { dg-skip-if "Don't inline memset using neon instructions" { ! arm_tune_string_ops_prefer_neon } } */
       3  /* { dg-options "-save-temps -O2 -fno-inline" } */
       4  /* { dg-add-options "arm_neon" } */
       5  
       6  #include <string.h>
       7  #include <stdlib.h>
       8  
       9  #define LEN (100)
      10  int a[LEN];
      11  int b[LEN];
      12  int c[LEN];
      13  int d[LEN];
      14  void
      15  foo1 (void)
      16  {
      17      memset (a, -1, 16);
      18      return;
      19  }
      20  
      21  void
      22  foo2 (void)
      23  {
      24    memset (b, 1, 25);
      25    return;
      26  }
      27  
      28  void
      29  foo3 (void)
      30  {
      31    memset (c, -1, 19);
      32    return;
      33  }
      34  
      35  void
      36  foo4 (void)
      37  {
      38    memset (d, 1, 23);
      39    return;
      40  }
      41  
      42  void
      43  check (signed char *arr, int idx, int len, int v)
      44  {
      45    int i;
      46    for (i = 0; i < idx; i++)
      47      if (arr[i] != v)
      48        abort ();
      49  
      50    for (i = idx; i < len; i++)
      51      if (arr[i] != 0)
      52        abort ();
      53  }
      54  
      55  int
      56  main(void)
      57  {
      58    foo1 ();
      59    check ((signed char *)a, 16, sizeof (a), -1);
      60  
      61    foo2 ();
      62    check ((signed char *)b, 25, sizeof (b), 1);
      63  
      64    foo3 ();
      65    check ((signed char *)c, 19, sizeof (c), -1);
      66  
      67    foo4 ();
      68    check ((signed char *)d, 23, sizeof (d), 1);
      69  
      70    return 0;
      71  }
      72  
      73  /* { dg-final { scan-assembler-not "bl?\[ \t\]+memset" { target { arm_little_endian && arm_neon } } } } */
      74  /* { dg-final { scan-assembler "vst1" { target { arm_little_endian && arm_neon } } } } */
      75  /* { dg-final { scan-assembler-not "vstr"  { target { arm_little_endian && arm_neon } } } } */
      76