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 /* { dg-options "-O2 -fno-common" { target hppa*-*-hpux* } } */
   5
   6 __attribute__((noinline, noclone)) void *
   7 foo (void *p, unsigned int q)
   8 {
   9   return __builtin_memset (p, 0, q * 4UL);
  10 }
  11
  12 char buf[128] __attribute__((aligned (32)));
  13
  14 int
  15 main ()
  16 {
  17   int i;
  18   for (i = 0; i < 100000; i++)
  19     foo (buf + 4, 1 + (i & 1));
  20   for (i = 0; i < 128; i++)
  21     {
  22       buf[i] = 'X';
  23       asm volatile ("" : : : "memory");
  24     }
  25   foo (buf + 32, 7);
  26   for (i = 0; i < 128; i++)
  27     if (buf[i] != ((i < 32 || i >= 32 + 28) ? 'X' : 0))
  28       __builtin_abort ();
  29   return 0;
  30 }