_FP_SUBTYPE_BITS
subtype >= (1 << _FP_SUBTYPE_BITS)) {
(class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \
(version) = ((osfp) >> _FP_SUBTYPE_BITS) & \
(subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \
+ _FP_SUBTYPE_BITS); \
_FP_SUBTYPE_BITS; \
(osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \