brief Create a contiguous bitmask starting at bit position p l and ending at position p h #define GENMASKh l ~0UL - 1UL l + 1 & ~0UL BITS_PER_LONG - 1 - h当h=15l=8时生成的结果是什么

日期: 2024-12-26
标签: 社会

结果为0xFF00。

brief Create a contiguous bitmask starting at bit position p l and ending at position p h #define GENMASKh l ~0UL - 1UL l + 1 & ~0UL BITS_PER_LONG - 1 - h当h=15l=8时生成的结果是什么

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下一篇: brief Create a contiguous bitmask starting at bit position p l and ending at position p h #define GENMASKh l ~0UL - 1UL l + 1 & ~0UL BITS_PER_LONG - 1 - h当h=7l=0时生成的结果是什么