publicclassSolution{// you need to treat n as an unsigned valuepublicinthammingWeight(int n){int res =0;for(int i =0; i <32; i++){
res +=(n >> i)&1;}return res;}}
The Issue Unit
issue queue用来hold住,已经dispatched,但是还没有执行的uops;
当一条uop的所有的operands已经ready之后,request请求会被拉起来;然后issue select logic将会从request bit 1的slot中,选择…