gcc/testsuite/gcc.target/aarch64/popcnt.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 int
   5 foo (int x)
   6 {
   7   return __builtin_popcount (x);
   8 }
   9
  10 long
  11 foo1 (long x)
  12 {
  13   return __builtin_popcountl (x);
  14 }
  15
  16 long long
  17 foo2 (long long x)
  18 {
  19   return __builtin_popcountll (x);
  20 }
  21
  22 /* { dg-final { scan-assembler-not "popcount" } } */
  23 /* { dg-final { scan-assembler-times "cnt\t" 3 } } */