-1, -1, -1, -1, -1, -1, -1, -1
};
-#define __BIT(n) (1 << (n))
-#define __MASK(n) (__BIT (n) - 1)
+#define N32_BIT(n) (1 << (n))
+#define __MASK(n) (N32_BIT (n) - 1)
#define __MF(v, off, bs) (((v) & __MASK (bs)) << (off))
#define __GF(v, off, bs) (((v) >> off) & __MASK (bs))
#define __SEXT(v, bs) ((((v) & ((1 << (bs)) - 1)) ^ (1 << ((bs) - 1))) - (1 << ((bs) - 1)))