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24 lines
468 B
24 lines
468 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __VDSO_MATH64_H |
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#define __VDSO_MATH64_H |
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static __always_inline u32 |
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__iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder) |
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{ |
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u32 ret = 0; |
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while (dividend >= divisor) { |
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/* The following asm() prevents the compiler from |
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optimising this loop into a modulo operation. */ |
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asm("" : "+rm"(dividend)); |
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dividend -= divisor; |
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ret++; |
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} |
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*remainder = dividend; |
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return ret; |
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} |
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#endif /* __VDSO_MATH64_H */
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