gcc/testsuite/gcc.target/cris/builtin_clz_v0.c

   1 /* Check that we don't use the lz insn for clz by checking assembler output.
   2    The lz insn was implemented in CRIS v3 (ETRAX 4).  */
   3 /* { dg-do compile } */
   4 /* { dg-skip-if "" { "cris-*-elf" } { "-march*" } { "" } } */
   5 /* { dg-options "-O2 -march=v0" } */
   6 /* { dg-final { scan-assembler-not "\[ \t\]lz\[ \t\]" } } */
   7
   8 int
   9 f (int a)
  10 {
  11         return __builtin_clz(a);
  12 }