gcc/testsuite/gcc.target/powerpc/ctz-2.c


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/* { dg-do compile { target { powerpc*-*-* && ilp32 } } } */
/* { dg-require-effective-target powerpc_p9modulo_ok } */
/* { dg-options "-mdejagnu-cpu=power9 -O2" } */

int i_trailing_zero (int a) { return __builtin_ctz (a); }

/* { dg-final { scan-assembler     "cnttzw " } } */
/* { dg-final { scan-assembler-not "cntlzw " } } */