afaiu, there is no way to say to use all free register's, and for the rest memory. the "r" constraint cannot be fulfilled for all operands. use a "m" constraint for the last to operands, and the code builds.
afaiu, there is no way to say to use all free register's, and for the rest memory. the "r" constraint cannot be fulfilled for all operands. use a "m" constraint for the last to operands, and the code builds.