fixed precedence constraint

[libfirm] / ir / be / bespilloptions.c

diff --git a/ir/be/bespilloptions.c b/ir/be/bespilloptions.c
index 581a8df..ad7ca0a 100644 (file)
--- a/ir/be/bespilloptions.c
+++ b/ir/be/bespilloptions.c
@@ -27,12 +27,32 @@ static const lc_opt_table_entry_t be_spill_options[] = {
        { NULL }
 };
 
+static be_module_list_entry_t *spillers = NULL;
+static be_spiller_t *selected_spiller = NULL;
+
+void be_register_spiller(const char *name, be_spiller_t *spiller)
+{
+       if(selected_spiller == NULL)
+               selected_spiller = spiller;
+       be_add_module_to_list(&spillers, name, spiller);
+}
+
+void be_do_spill(be_irg_t *birg, const arch_register_class_t* cls)
+{
+       assert(selected_spiller != NULL);
+       if(selected_spiller != NULL) {
+               selected_spiller->spill(birg, cls);
+       }
+}
+
 void be_init_spill(void)
 {
        lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
        lc_opt_entry_t *spill_grp = lc_opt_get_grp(be_grp, "spill");
 
        lc_opt_add_table(spill_grp, be_spill_options);
+       be_add_module_list_opt(spill_grp, "spiller", "spill algorithm",
+                              &spillers, (void**) &selected_spiller);
 }
 
 BE_REGISTER_MODULE_CONSTRUCTOR(be_init_spill);