gcc/testsuite/gcc.target/ia64/sync-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 /* { dg-final { scan-assembler "xchg4 .*, r0" } } */
   4 /* { dg-final { scan-assembler "cmpxchg4.*, r0, .*" } } */
   5 /* { dg-final { scan-assembler "cmpxchg8.*, r0, .*" { target lp64 } } } */
   6
   7 int
   8 foo1 (int *p)
   9 {
  10   return __sync_lock_test_and_set (p, 0);
  11 }
  12
  13 int
  14 foo2 (int *p, int v)
  15 {
  16   return __sync_bool_compare_and_swap (p, v, 0);
  17 }
  18
  19 long
  20 foo3 (long *p, long v)
  21 {
  22   return __sync_bool_compare_and_swap (p, v, 0);
  23 }