gcc/testsuite/gcc.target/i386/pr39431.c

   1 /* PR target/39431 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4 /* { dg-options "-O2 -march=i686 -fpic" { target { ia32 && fpic } } } */
   5
   6 extern void bar (char *, int);
   7
   8 int
   9 foo (long long *p, long long oldv, long long *q, int n)
  10 {
  11   char buf[n];
  12   bar (buf, n);
  13   p[256 + n] = __sync_val_compare_and_swap (p + n, oldv, oldv + 6);
  14   return __sync_bool_compare_and_swap (q + n, oldv, oldv + 8);
  15 }