hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
25 lines
468 B
C
25 lines
468 B
C
/* 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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