I think not. Maybe you can look up https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#Common-Variable-Attributes ? 2017-11-06 13:04 GMT+08:00 Yubin Ruan <ablacktshirt@xxxxxxxxx>: > Hi, > > I am using something like this: > > struct S1 { > int index __attribute__((aligned(CACHE_LINE_SIZE))); > struct S2 some_other; > }; > > I am not using anything like `#pragma pack`. > > I am wondering whether adding that > `__attribute__((aligned(CACHE_LINE_SIZE)))` will break GCC's automatic > alignment for S1 and S2. Can anyone point me to any document which > specify this behavior? > > Thanks, > Yubin > -- Wei-Ren Chen (陳韋任) Homepage: https://people.cs.nctu.edu.tw/~chenwj
