1  /* Test that the correct data prefetch instructions are generated for i386
       2     variants that use 3DNow! prefetchw or SSE prefetch instructions with
       3     locality hints.  */
       4  
       5  /* { dg-do compile { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
       6  
       7  extern void exit (int);
       8  
       9  char *msg = "howdy there";
      10  
      11  void foo (char *p)
      12  {
      13    __builtin_prefetch (p, 0, 0);
      14    __builtin_prefetch (p, 0, 1);
      15    __builtin_prefetch (p, 0, 2);
      16    __builtin_prefetch (p, 0, 3);
      17    __builtin_prefetch (p, 1, 0);
      18    __builtin_prefetch (p, 1, 1);
      19    __builtin_prefetch (p, 1, 2);
      20    __builtin_prefetch (p, 1, 3);
      21  }
      22  
      23  int main ()
      24  {
      25    foo (msg);
      26    exit (0);
      27  }
      28  
      29  /* { dg-final { scan-assembler "prefetchw" } } */
      30  /* { dg-final { scan-assembler "prefetchnta" } } */
      31  /* { dg-final { scan-assembler "prefetcht" } } */