gcc/testsuite/gcc.target/cris/builtin_ctz_v8.c

   1 /* Check that we use the swap insn for ctz by checking assembler output.
   2    The swap instruction was implemented in v8.  */
   3 /* { dg-do compile } */
   4 /* { dg-skip-if "" { "cris*-*-elf" } { "-march*" } { "" } } */
   5 /* { dg-options "-O2 -march=v8" } */
   6 /* { dg-final { scan-assembler "\[ \t\]swapwbr\[ \t\]" } } */
   7
   8 int
   9 f (int a)
  10 {
  11         return __builtin_ctz(a);
  12 }