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精简简化版的__rt_ffs()函数

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杨澄
2021-11-07 15:51:24 +08:00
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parent e6e9062977
commit 46fe85e2c2
1 changed files with 1 additions and 1 deletions
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src/kservice.c
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@@ -1375,7 +1375,7 @@ const rt_uint8_t __lowest_bit_bitmap[] =
*/ */
int __rt_ffs(int value) int __rt_ffs(int value)
{ {
return __lowest_bit_bitmap_new[(rt_uint32_t)(value & (value - 1) ^ value) % 37]; return __lowest_bit_bitmap[(rt_uint32_t)(value & (value - 1) ^ value) % 37];
} }
#else #else
const rt_uint8_t __lowest_bit_bitmap[] = const rt_uint8_t __lowest_bit_bitmap[] =