gcc/testsuite/gcc.dg/fold-popcount-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-cddce1" } */
   3
   4 int test_andone(unsigned int a)
   5 {
   6   return __builtin_popcount(a&1);
   7 }
   8
   9 int test_andonel(unsigned long b)
  10 {
  11   return __builtin_popcountl(b&1);
  12 }
  13
  14 int test_andonell(unsigned long long c)
  15 {
  16   return __builtin_popcountll(c&1);
  17 }
  18
  19 int test_oneand(unsigned int d)
  20 {
  21   return __builtin_popcount(1&d);
  22 }
  23
  24 int test_oneandl(unsigned long e)
  25 {
  26   return __builtin_popcountl(1&e);
  27 }
  28
  29 int test_oneandll(unsigned long long f)
  30 {
  31   return __builtin_popcountll(1&f);
  32 }
  33
  34 /* { dg-final { scan-tree-dump-times "popcount" 0 "cddce1" } } */
  35