root/arch/alpha/lib/fls.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* 
   3  * arch/alpha/lib/fls.c
   4  */
   5 
   6 #include <linux/module.h>
   7 #include <linux/bitops.h>
   8 
   9 /* This is fls(x)-1, except zero is held to zero.  This allows most
  10    efficient input into extbl, plus it allows easy handling of fls(0)=0.  */
  11 
  12 const unsigned char __flsm1_tab[256] = 
  13 {
  14   0,
  15   0,
  16   1, 1,
  17   2, 2, 2, 2,
  18   3, 3, 3, 3, 3, 3, 3, 3,
  19   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
  20 
  21   5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
  22   5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
  23 
  24   6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
  25   6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
  26   6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
  27   6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
  28 
  29   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  30   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  31   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  32   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  33   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  34   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  35   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  36   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  37 };
  38 
  39 EXPORT_SYMBOL(__flsm1_tab);