gcc/testsuite/gcc.target/i386/pr85073.c

   1 /* PR target/85073 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -mbmi" } */
   4
   5 int
   6 foo (unsigned x)
   7 {
   8   int c = 0;
   9   while (x)
  10     {
  11       c += 1;
  12       x = (x - 1) & x;
  13     }
  14
  15   return c;
  16 }
  17
  18 /* { dg-final { scan-assembler-times "test" 1 } } */