Is there any difference between attribute((packed,aligned(n))) and
attribute((aligned(n))) ?
Is there any difference between attribute ((packed,aligned(n))) and attribute ((aligned(n))) ?
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Is there any difference between attribute((packed,aligned(n))) and
attribute((aligned(n))) ?
The
alignedattribute specifies the minimum alignment the variable/field must have. Thepackedattribute requests that the variable/field should have the smallest possible alignment. So just using__attribute__((aligned(n))sets the minimum alignment ton, but does not guarantee that it won’t be larger. But using__attribute__((packed,aligned(n)))sets the alignment to preciselyn.