gcc/testsuite/gcc.dg/20010423-1.c

   1 /* { dg-do compile { target ia64-*-* } } */
   2 /* { dg-options "-O2" } */
   3
   4 int __sync_fetch_and_add_si (int *, int);
   5
   6 inline unsigned int
   7 bar (volatile unsigned int *mem, unsigned int val)
   8 {
   9   return __sync_fetch_and_add_si((int *)mem, (int)val);
  10 }
  11
  12 volatile unsigned int x;
  13
  14 void foo (unsigned short *a)
  15 {
  16   *a = bar (&x, 1) + 1;
  17 }