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Note that the effectiveness of aligned attributes may be limited by inherent
limitations in your linker. On many systems, the linker is only able to arrange
for variables to be aligned up to a certain maximum alignment. (For some
linkers, the maximum supported alignment may be very very small.) If your
linker is only able to align variables up to a maximum of 8 byte alignment, then
specifying aligned(16) in an __attribute__ will still only provide you with
8 byte alignment. See your linker documentation for further information.
这是gcc里面的一段关于attribute aligned的文字。
这里面提到的linker documentation怎么查看啊? |
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