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author | Tony Lindgren <tony@atomide.com> | 2017-03-06 08:37:53 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2017-03-06 08:37:53 -0800 |
commit | e24bce8fb4c26bd0d8eca74cbbee1ad049246be3 (patch) | |
tree | c219c2ec183633aa15841fca5b055a09d2d0b980 /tools/testing/radix-tree/linux/bitops/fls.h | |
parent | b92675d998a9fa37fe9e0e35053a95b4a23c158b (diff) | |
parent | c1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 (diff) | |
download | talos-op-linux-e24bce8fb4c26bd0d8eca74cbbee1ad049246be3.tar.gz talos-op-linux-e24bce8fb4c26bd0d8eca74cbbee1ad049246be3.zip |
Merge tag 'v4.11-rc1' into omap-for-v4.11/fixes
Linux 4.11-rc1
Diffstat (limited to 'tools/testing/radix-tree/linux/bitops/fls.h')
-rw-r--r-- | tools/testing/radix-tree/linux/bitops/fls.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/tools/testing/radix-tree/linux/bitops/fls.h b/tools/testing/radix-tree/linux/bitops/fls.h deleted file mode 100644 index 850859bc5069..000000000000 --- a/tools/testing/radix-tree/linux/bitops/fls.h +++ /dev/null @@ -1,41 +0,0 @@ -#ifndef _ASM_GENERIC_BITOPS_FLS_H_ -#define _ASM_GENERIC_BITOPS_FLS_H_ - -/** - * fls - find last (most-significant) bit set - * @x: the word to search - * - * This is defined the same way as ffs. - * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. - */ - -static inline int fls(int x) -{ - int r = 32; - - if (!x) - return 0; - if (!(x & 0xffff0000u)) { - x <<= 16; - r -= 16; - } - if (!(x & 0xff000000u)) { - x <<= 8; - r -= 8; - } - if (!(x & 0xf0000000u)) { - x <<= 4; - r -= 4; - } - if (!(x & 0xc0000000u)) { - x <<= 2; - r -= 2; - } - if (!(x & 0x80000000u)) { - x <<= 1; - r -= 1; - } - return r; -} - -#endif /* _ASM_GENERIC_BITOPS_FLS_H_ */ |