- if ((cpm & 1) == 0) dim0 = &dummy;
- if ((cpm & 2) == 0) dim1 = &dummy;
- if ((cpm & 4) == 0) dim2 = &dummy;
- if ((cpm & 8) == 0) dim3 = &dummy;
+ if (!cpu_isset(0, cpm)) dim0 = &dummy;
+ if (!cpu_isset(1, cpm)) dim1 = &dummy;
+ if (!cpu_isset(2, cpm)) dim2 = &dummy;
+ if (!cpu_isset(3, cpm)) dim3 = &dummy;