alpha/lib/fls.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * arch/alpha/lib/fls.c
0004  */
0005
0006 #include <linux/module.h>
0007 #include <linux/bitops.h>
0008
0009 /* This is fls(x)-1, except zero is held to zero.  This allows most
0010    efficient input into extbl, plus it allows easy handling of fls(0)=0.  */
0011
0012 const unsigned char __flsm1_tab[256] =
0013 {
0014   0,
0015   0,
0016   1, 1,
0017   2, 2, 2, 2,
0018   3, 3, 3, 3, 3, 3, 3, 3,
0019   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
0020
0021   5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
0022   5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
0023
0024   6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
0025   6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
0026   6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
0027   6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
0028
0029   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
0030   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
0031   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
0032   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
0033   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
0034   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
0035   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
0036   7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
0037 };
0038
0039 EXPORT_SYMBOL(__flsm1_tab);