libio/__flbf.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __flbf
   4         .type   __flbf, @function
   5 __flbf:
   6         movl    (%rdi), %eax
   7         andl    $512, %eax
   8         ret
   9         .size   __flbf, .-__flbf