gcc/testsuite/gcc.dg/tree-prof/pr59003.c

   1 /* PR target/59003 */
   2 /* { dg-options "-O2" } */
   3 /* { dg-options "-O2 -mtune=amdfam10" { target i?86-*-* x86_64-*-* } } */
   4
   5 __attribute__((noinline, noclone)) void *
   6 foo (void *p, unsigned int q)
   7 {
   8   return __builtin_memset (p, 0, q * 4UL);
   9 }
  10
  11 char buf[128] __attribute__((aligned (32)));
  12
  13 int
  14 main ()
  15 {
  16   int i;
  17   for (i = 0; i < 100000; i++)
  18     foo (buf + 4, 1 + (i & 1));
  19   for (i = 0; i < 128; i++)
  20     {
  21       buf[i] = 'X';
  22       asm volatile ("" : : : "memory");
  23     }
  24   foo (buf + 32, 7);
  25   for (i = 0; i < 128; i++)
  26     if (buf[i] != ((i < 32 || i >= 32 + 28) ? 'X' : 0))
  27       __builtin_abort ();
  28   return 0;
  29 }