_CAP_RIGHTS_WORD_INITIALIZER
_CAP_RIGHTS_WORD_INITIALIZER(0, r1) | \
_CAP_RIGHTS_WORD_INITIALIZER(0, r2), \
[1] = _CAP_RIGHTS_WORD_INITIALIZER(1, r1) | \
_CAP_RIGHTS_WORD_INITIALIZER(1, r2), \