gcc/testsuite/gcc.target/i386/bmi-5.c

   1 /* { dg-do link } */
   2 /* { dg-require-effective-target lp64 } */
   3 /* { dg-options "-O0 -mbmi" } */
   4
   5 #include <x86intrin.h>
   6
   7 /* Test that a constant operand 0 to tzcnt gets folded.  */
   8 extern void link_error(void);
   9 int main()
  10 {
  11   if (__tzcnt_u64(0) != 64)
  12     link_error();
  13   return 0;
  14 }