gcc/testsuite/gcc.c-torture/compile/pr32482.c

   1 typedef struct { unsigned long bits[((((1 << 0))+32 -1)/32)]; } nodemask_t;
   2 static inline __attribute__((always_inline))
   3 int bitmap_empty(const unsigned long *src, int nbits)
   4 {
   5   return ! (*src & ( ((nbits) % 32) ? (1UL<<((nbits) % 32))-1 : ~0UL ));
   6 }
   7 static inline __attribute__((always_inline))
   8 int __nodes_empty(const nodemask_t *srcp, int nbits)
   9 {
  10  return bitmap_empty(srcp->bits, nbits);
  11 }
  12 extern nodemask_t node_online_map;
  13 void drain_array(void);
  14 void drain_cpu_caches(void)
  15 {
  16  int node;
  17  if (!__nodes_empty(&(node_online_map), (1 << 0)))
  18      for (((node)) = 0; ((node)) < 1; ((node))++)
  19      {
  20      }
  21  if (!__nodes_empty(&(node_online_map), (1 << 0)))
  22      drain_array();
  23 }