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15 lines
340 B
C
15 lines
340 B
C
#ifndef _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
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#define _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
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/**
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* __ffs - find first bit in word.
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* @word: The word to search
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*
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* Undefined if no bit exists, so code should check against 0 first.
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*/
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static __always_inline unsigned long __ffs(unsigned long word)
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{
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return __builtin_ctzl(word);
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}
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#endif
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