typedef enum perm_type_t {
PERM_CYCLE,
PERM_CHAIN,
- PERM_SWAP,
- PERM_COPY
} perm_type_t;
/** Structure to represent cycles or chains in a Perm. */
* IN_2 = in node with register i + 1
* OUT_1 = out node with register i + 1
* OUT_2 = out node with register i */
+ ir_node *cpyxchg;
if (cycle.type == PERM_CYCLE && !do_copy) {
ir_node *in[2];
- ir_node *cpyxchg;
in[0] = arg1;
in[1] = arg2;
arch_set_irn_register(res2, cycle.elems[i + 1]);
arch_set_irn_register(res1, cycle.elems[i]);
- /* insert the copy/exchange node in schedule after the magic schedule node (see above) */
- sched_add_after(skip_Proj(sched_point), cpyxchg);
-
DB((dbg, LEVEL_1, "replacing %+F with %+F, placed new node after %+F\n", irn, cpyxchg, sched_point));
-
- /* set the new scheduling point */
- sched_point = res1;
} else {
- ir_node *cpyxchg;
-
DB((dbg, LEVEL_1, "%+F creating copy node (%+F, %s) -> (%+F, %s)\n",
irn, arg1, cycle.elems[i]->name, res2, cycle.elems[i + 1]->name));
/* exchange copy node and proj */
exchange(res2, cpyxchg);
+ }
- /* insert the copy/exchange node in schedule after the magic schedule node (see above) */
- sched_add_after(skip_Proj(sched_point), cpyxchg);
+ /* insert the copy/exchange node in schedule after the magic schedule node (see above) */
+ sched_add_after(sched_point, cpyxchg);
- /* set the new scheduling point */
- sched_point = cpyxchg;
- }
+ /* set the new scheduling point */
+ sched_point = cpyxchg;
}
}
constraint_env_t *env = (constraint_env_t*)walk_env;
sched_foreach_reverse(block, irn) {
- ir_mode *mode = get_irn_mode(irn);
-
- if (mode == mode_T) {
- foreach_out_edge(irn, edge) {
- ir_node *proj = get_edge_src_irn(edge);
-
- mode = get_irn_mode(proj);
- if (mode_is_datab(mode))
- assure_different_constraints(proj, irn, env);
- }
- } else if (mode_is_datab(mode)) {
- assure_different_constraints(irn, irn, env);
- }
+ be_foreach_value(irn, value,
+ if (mode_is_datab(get_irn_mode(value)))
+ assure_different_constraints(value, irn, env);
+ );
}
}
int new_size;
ir_node *frontier = bl;
int i, n;
+ be_lv_t *lv = be_get_irg_liveness(irg);
/* get some Proj and find out the register class of that Proj. */
ir_node *one_proj = get_edge_src_irn(get_irn_out_edge_first_kind(perm, EDGE_KIND_NORMAL));
* the Perm, increasing the register pressure by one.
*/
sched_foreach_reverse_from(sched_prev(perm), irn) {
- for (i = get_irn_arity(irn) - 1; i >= 0; --i) {
- ir_node *op = get_irn_n(irn, i);
- be_lv_t *lv = be_get_irg_liveness(irg);
- if (arch_irn_consider_in_reg_alloc(cls, op) &&
- !be_values_interfere(lv, op, one_proj)) {
+ be_foreach_use(irn, cls, in_req_, op, op_req_,
+ if (!be_values_interfere(lv, op, one_proj)) {
frontier = irn;
goto found_front;
}
- }
+ );
}
found_front: