-/**
- * Returns a string containing the names of all registers within the limited bitset
- */
-static char *get_limited_regs(const arch_register_req_t *req, char *buf, int max) {
- bitset_t *bs = bitset_alloca(req->cls->n_regs);
- char *p = buf;
- int size = 0;
- int i, cnt;
-
- req->limited(NULL, bs);
-
- for (i = 0; i < req->cls->n_regs; i++) {
- if (bitset_is_set(bs, i)) {
- cnt = snprintf(p, max - size, " %s", req->cls->regs[i].name);
- if (cnt < 0) {
- fprintf(stderr, "dumper problem, exiting\n");
- exit(1);
- }
-
- p += cnt;
- size += cnt;
-
- if (size >= max)
- break;
- }
- }
-
- return buf;
-}
-
-/**
- * Dumps the register requirements for either in or out.
- */
-static void dump_reg_req(FILE *F, ir_node *n, const mips_register_req_t **reqs, int inout) {
- char *dir = inout ? "out" : "in";
- int max = inout ? get_mips_n_res(n) : get_irn_arity(n);
- char *buf = alloca(1024);
- int i;
-
- memset(buf, 0, 1024);
-
- if (reqs) {
- for (i = 0; i < max; i++) {
- fprintf(F, "%sreq #%d =", dir, i);
-
- if (reqs[i]->req.type == arch_register_req_type_none) {
- fprintf(F, " n/a");
- }
-
- if (reqs[i]->req.type & arch_register_req_type_normal) {
- fprintf(F, " %s", reqs[i]->req.cls->name);
- }
-
- if (reqs[i]->req.type & arch_register_req_type_limited) {
- fprintf(F, " %s", get_limited_regs(&reqs[i]->req, buf, 1024));
- }
-
- if (reqs[i]->req.type & arch_register_req_type_should_be_same) {
- ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->same_pos));
- }
-
- if (reqs[i]->req.type & arch_register_req_type_should_be_different) {
- ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->different_pos));
- }
-
- fprintf(F, "\n");
- }
-
- fprintf(F, "\n");
- }
- else {
- fprintf(F, "%sreq = N/A\n", dir);
- }
-}
-
-