~(__REGVAL(reg ## _ ## field, value)))) \
| (__REGVAL(reg ## _ ## field, value))))
-# define REGGET(reg, field) \
- ((reg & (reg ## _ ## field)) / (field & (-field)))
+# define REGGET(var, reg, field) \
+ ((var & (reg ## _ ## field)) / \
+ ((reg ## _ ## field) & (-(reg ## _ ## field))))
#else