-void arch_put_non_ignore_regs(const arch_register_class_t *cls, bitset_t *bs)
-{
- unsigned i;
-
- for (i = 0; i < cls->n_regs; ++i) {
- if (!arch_register_type_is(&cls->regs[i], ignore))
- bitset_set(bs, i);
- }
-}
-
-int arch_reg_is_allocatable(const ir_node *irn, int pos,
- const arch_register_t *reg)
-{
- const arch_register_req_t *req = arch_get_register_req(irn, pos);
-
- if (req->type == arch_register_req_type_none)
- return 0;
-
- if (arch_register_req_is(req, limited)) {
- if (arch_register_get_class(reg) != req->cls)
- return 0;
- return rbitset_is_set(req->limited, arch_register_get_index(reg));
- }
-
- return req->cls == reg->reg_class;
-}
-
-const arch_register_class_t *arch_get_irn_reg_class(const ir_node *irn, int pos)
-{
- const arch_register_req_t *req = arch_get_register_req(irn, pos);
-
- assert(req->type != arch_register_req_type_none || req->cls == NULL);
-
- return req->cls;
-}
-
-static inline reg_out_info_t *get_out_info(const ir_node *node)