X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbelistsched.c;h=45e6c445e11d299ee0c2f5a75333a4de1cc643fb;hb=c7997cc309ae96a03d5b9084a9d565db2dda57fa;hp=9a9c6906ee28ed7740b263100950ae4c04483cd4;hpb=10d1ae80510227bba9f4c3513aba8d72434c823f;p=libfirm

diff --git a/ir/be/belistsched.c b/ir/be/belistsched.c
index 9a9c6906e..45e6c445e 100644
--- a/ir/be/belistsched.c
+++ b/ir/be/belistsched.c
@@ -75,11 +75,17 @@ static int cmp_usage(const void *a, const void *b)
 }
 #endif
 
+/**
+ * The trivial selector:
+ * Just assure that branches are executed last, otherwise select
+ * the first node ready.
+ */
 static ir_node *trivial_select(void *block_env, pset *ready_set)
 {
 	const arch_env_t *arch_env = block_env;
 	ir_node *irn = NULL;
 
+	/* assure that branches are executed last */
 	for(irn = pset_first(ready_set); irn; irn = pset_next(ready_set)) {
 		if(arch_irn_classify(arch_env, irn) != arch_irn_class_branch) {
 			pset_break(ready_set);
@@ -403,9 +409,9 @@ typedef struct _block_sched_env_t {
 	pset *ready_set;
 	pset *already_scheduled;
 	ir_node *block;
-	firm_dbg_module_t *dbg;
 	const list_sched_selector_t *selector;
 	void *selector_block_env;
+	DEBUG_ONLY(firm_dbg_module_t *dbg;)
 } block_sched_env_t;
 
 /**
@@ -600,12 +606,12 @@ static void list_sched_block(ir_node *block, void *env_ptr)
 	INIT_LIST_HEAD(&info->list);
 
 	/* Initialize the block scheduling environment */
-	be.dbg               = firm_dbg_register("firm.be.sched");
 	be.block             = block;
 	be.curr_time         = 0;
 	be.ready_set         = new_pset(node_cmp_func, get_irn_n_edges(block));
 	be.already_scheduled = new_pset(node_cmp_func, get_irn_n_edges(block));
 	be.selector          = selector;
+	FIRM_DBG_REGISTER(be.dbg, "firm.be.sched");
 
 	if(selector->init_block)
 		be.selector_block_env = selector->init_block(env->selector_env, block);