bescripts: Copy all common node attributes into the constructor variants.
[libfirm] / ir / be / becopyilp.c
index 646b6c9..340d97d 100644 (file)
 
 #include <stdbool.h>
 
+#include "be_t.h"
 #include "irtools.h"
 #include "irprintf.h"
 
-#include "bestatevent.h"
-#include "beirg.h"
+#include "statev_t.h"
 #include "bemodule.h"
 #include "error.h"
 
@@ -165,28 +165,55 @@ void sr_remove(size_red_t *sr)
 void sr_reinsert(size_red_t *sr)
 {
        coloring_suffix_t *cs;
+       ir_graph *irg        = sr->co->irg;
        be_ifg_t *ifg        = sr->co->cenv->ifg;
-       bitset_t *used_cols  = bitset_alloca(arch_register_class_n_regs(sr->co->cls));
+       unsigned  n_regs     = arch_register_class_n_regs(sr->co->cls);
+
+       unsigned *const allocatable_cols = rbitset_alloca(n_regs);
+       be_set_allocatable_regs(irg, sr->co->cls, allocatable_cols);
+
+       unsigned *const possible_cols = rbitset_alloca(n_regs);
        neighbours_iter_t iter;
 
        /* color the removed nodes in right order */
        for (cs = sr->col_suff; cs; cs = cs->next) {
-               int free_col;
-               ir_node *other, *irn;
+               unsigned free_col;
+               ir_node *other;
+               ir_node *irn = cs->irn;
 
-               /* get free color by inspecting all neighbors */
-               irn = cs->irn;
-               bitset_clear_all(used_cols);
+               rbitset_copy(possible_cols, allocatable_cols, n_regs);
 
+               /* get free color by inspecting all neighbors */
                be_ifg_foreach_neighbour(ifg, &iter, irn, other) {
-                       if (!sr_is_removed(sr, other)) /* only inspect nodes which are in graph right now */
-                               bitset_set(used_cols, get_irn_col(other));
+                       const arch_register_req_t *cur_req;
+                       unsigned cur_col;
+
+                       /* only inspect nodes which are in graph right now */
+                       if (sr_is_removed(sr, other))
+                               continue;
+
+                       cur_req = arch_get_irn_register_req(other);
+                       cur_col = get_irn_col(other);
+
+                       /* Invalidate all single size register when it is a large one */
+                       do  {
+                               rbitset_clear(possible_cols, cur_col);
+                               ++cur_col;
+                       } while ((cur_col % cur_req->width) != 0);
                }
 
                /* now all bits not set are possible colors */
-               free_col = bitset_next_clear(used_cols, 0);
-               assert(free_col != -1 && "No free color found. This can not be.");
-               set_irn_col(sr->co, irn, free_col);
+               /* take one that matches the alignment constraint */
+               free_col = 0;
+               assert(!rbitset_is_empty(possible_cols, n_regs) && "No free color found. This can not be.");
+               while (true) {
+                       free_col = (unsigned)rbitset_next(possible_cols, free_col, true);
+                       if (free_col % arch_get_irn_register_req(irn)->width == 0)
+                               break;
+                       ++free_col;
+                       assert(free_col < n_regs);
+               }
+               set_irn_col(sr->co->cls, irn, free_col);
                pset_remove_ptr(sr->all_removed, irn); /* irn is back in graph again */
        }
 }
@@ -225,8 +252,7 @@ ilp_env_t *new_ilp_env(copy_opt_t *co, ilp_callback build, ilp_callback apply, v
 
 lpp_sol_state_t ilp_go(ilp_env_t *ienv)
 {
-       ir_graph     *irg     = ienv->co->irg;
-       be_options_t *options = be_get_irg_options(irg);
+       ir_graph *irg = ienv->co->irg;
 
        sr_remove(ienv->sr);
 
@@ -250,12 +276,12 @@ lpp_sol_state_t ilp_go(ilp_env_t *ienv)
        if (solve_log)
                lpp_set_log(ienv->lp, stdout);
 
-       lpp_solve(ienv->lp, options->ilp_server, options->ilp_solver);
+       lpp_solve(ienv->lp, be_options.ilp_server, be_options.ilp_solver);
 
-       //be_stat_ev_dbl("co_ilp_objval",     ienv->lp->objval);
-       //be_stat_ev_dbl("co_ilp_best_bound", ienv->lp->best_bound);
-       be_stat_ev    ("co_ilp_iter",       lpp_get_iter_cnt(ienv->lp));
-       be_stat_ev_dbl("co_ilp_sol_time",   lpp_get_sol_time(ienv->lp));
+       //stat_ev_dbl("co_ilp_objval",     ienv->lp->objval);
+       //stat_ev_dbl("co_ilp_best_bound", ienv->lp->best_bound);
+       stat_ev_int("co_ilp_iter",       lpp_get_iter_cnt(ienv->lp));
+       stat_ev_dbl("co_ilp_sol_time",   lpp_get_sol_time(ienv->lp));
 
        ienv->apply(ienv);