use the correct mode for DIV

[libfirm] / ir / be / bespillbelady.c

diff --git a/ir/be/bespillbelady.c b/ir/be/bespillbelady.c
index 1a31dfd..2f92532 100644 (file)
--- a/ir/be/bespillbelady.c
+++ b/ir/be/bespillbelady.c
@@ -575,11 +575,15 @@ void be_spill_belady_spill_env(const be_chordal_env_t *chordal_env, spill_env_t
 
        DBG((dbg, LEVEL_1, "running on register class: %s\n", env.cls->name));
 
-       /* do the work */
        be_clear_links(chordal_env->irg);
+       /* Decide which phi nodes will be spilled and place copies for them into the graph */
        irg_block_walk_graph(chordal_env->irg, place_copy_walker, NULL, &env);
+       be_place_copies(env.senv);
+       /* Fix high register pressure with belady algorithm */
        irg_block_walk_graph(chordal_env->irg, NULL, belady, &env);
+       /* belady was block-local, fix the global flow by adding reloads on the edges */
        irg_block_walk_graph(chordal_env->irg, fix_block_borders, NULL, &env);
+       /* Insert spill/reload nodes into the graph and fix usages */
        be_insert_spills_reloads(env.senv);
 
        be_remove_dead_nodes_from_schedule(chordal_env->irg);