}
unit->nodes = xrealloc(unit->nodes, unit->node_count * sizeof(*unit->nodes));
unit->costs = xrealloc(unit->costs, unit->node_count * sizeof(*unit->costs));
- } else
-
- /* Proj of a perm with corresponding arg */
- if (is_Perm_Proj(co->aenv, irn)) {
+ } else if (is_Perm_Proj(co->aenv, irn)) {
+ /* Proj of a perm with corresponding arg */
assert(!nodes_interfere(co->cenv, irn, get_Perm_src(irn)));
unit->nodes = xmalloc(2 * sizeof(*unit->nodes));
unit->costs = xmalloc(2 * sizeof(*unit->costs));
/* Src == Tgt of a 2-addr-code instruction */
if (is_2addr_code(req)) {
- ir_node *other = get_irn_n(skip_Proj(irn), req->other_same[0]); /* TODO handle second should-be-same constraint */
- if (!arch_irn_is(co->aenv, other, ignore) &&
- !nodes_interfere(co->cenv, irn, other)) {
- unit->nodes = xmalloc(2 * sizeof(*unit->nodes));
- unit->costs = xmalloc(2 * sizeof(*unit->costs));
- unit->node_count = 2;
- unit->nodes[0] = irn;
- unit->nodes[1] = other;
- unit->costs[1] = co->get_costs(co, irn, other, -1);
+ ir_node *other = get_irn_n(skip_Proj(irn), req->other_same[0]);
+ ir_node *other2 = NULL;
+ int count;
+
+ if (arch_irn_is(co->aenv, other, ignore) ||
+ nodes_interfere(co->cenv, irn, other)) {
+ other = NULL;
+ }
+ if (req->other_same[1] != -1) {
+ other2 = get_irn_n(skip_Proj(irn), req->other_same[1]);
+ if (arch_irn_is(co->aenv, other2, ignore) ||
+ nodes_interfere(co->cenv, irn, other2)) {
+ other2 = NULL;
+ }
+ }
+ count = 1 + (other != NULL) + (other2 != NULL && other != other2);
+
+ if (count > 1) {
+ int i = 0;
+
+ unit->nodes = xmalloc(count * sizeof(*unit->nodes));
+ unit->costs = xmalloc(count * sizeof(*unit->costs));
+ unit->node_count = count;
+ unit->nodes[i] = irn;
+ if (other != NULL) {
+ ++i;
+ unit->nodes[i] = other;
+ unit->costs[i] = co->get_costs(co, irn, other, -1);
+ }
+ if (other2 != NULL) {
+ if (other == other2) {
+ unit->costs[i] += co->get_costs(co, irn, other2, -1);
+ } else {
+ ++i;
+ unit->nodes[i] = other2;
+ unit->costs[i] = co->get_costs(co, irn, other2, -1);
+ }
+ }
}
} else {
assert(0 && "This is not an optimizable node!");
ir_node *irn;
void *it, *nit;
- int i, n, n_regs;
+ int n, n_regs;
+ unsigned i;
n_regs = 0;
for(i = 0; i < co->cls->n_regs; ++i) {
for(j = 0; j < insn->use_start; ++j) {
ir_node *op = insn->ops[j].carrier;
bitset_t *adm = insn->ops[j].regs;
- int k;
+ unsigned k;
size_t nr;
if(!insn->ops[j].has_constraints)
void co_dump_appel_graph_cliques(const copy_opt_t *co, FILE *f)
{
- int i;
- int n_colors;
+ unsigned i;
+ unsigned n_colors;
appel_clique_walker_t env;
bitset_t *adm = bitset_alloca(co->cls->n_regs);
be_lv_t *lv = co->cenv->birg->lv;
env.color_map = alloca(co->cls->n_regs * sizeof(env.color_map[0]));
for(i = 0, n_colors = 0; i < co->cls->n_regs; ++i) {
const arch_register_t *reg = &co->cls->regs[i];
- env.color_map[i] = arch_register_type_is(reg, ignore) ? -1 : n_colors++;
+ env.color_map[i] = arch_register_type_is(reg, ignore) ? -1 : (int) n_colors++;
}
env.dumb = 1;
/* make the first k nodes interfere */
for(i = 0; i < n_colors; ++i) {
- int j;
+ unsigned j;
for(j = i + 1; j < n_colors; ++j)
fprintf(f, "%d %d -1 ", i, j);
fprintf(f, "\n");