gcc/testsuite/gcc.target/arm/ctz.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm_thumb2_ok } */
   3 /* { dg-options "-O2" } */
   4
   5 unsigned int functest(unsigned int x)
   6 {
   7         return __builtin_ctz(x);
   8 }
   9
  10 /* { dg-final { scan-assembler "rbit" } } */
  11 /* { dg-final { scan-assembler "clz" } } */
  12 /* { dg-final { scan-assembler-not "rsb" } } */