structure的aligment???

akira32

structure的aligment???,?料???如下,我又再次遇到??????了
如果我在struct後面加???macro "__declspec(align(64))",是否可以解?Q??????呢?
有哪本??蚓W站?ｉT?或提到alignment,??????的?Ｓ忻?Q如何?呼?

strcut aa
{
USHORT usStartPosition[6][2];
USHORT usGridWidth;
USHORT usGridHeight;
};

aa bb;
for (int index=0;index<MAX_HORSE_NUM;index++)
{               
    fscanf_s(fp,"%d,%d,%d\n",&tmp,&bb.usStartPosition[index][0],&bb.usStartPosition[index][1]);//?一行???lignment的???,??绊?到usGridWidth的?抵
}