gcc/testsuite/gcc.target/aarch64/ctz.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 unsigned int functest (unsigned int x)
   5 {
   6   return __builtin_ctz (x);
   7 }
   8
   9 /* { dg-final { scan-assembler "rbit\tw" } } */
  10 /* { dg-final { scan-assembler "clz\tw" } } */
  11