From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Fri, 31 Mar 2006 07:08:20 +0000 (+0000)
Subject: more comments added
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=c7997cc309ae96a03d5b9084a9d565db2dda57fa;p=libfirm

more comments added
---

diff --git a/ir/be/belistsched.c b/ir/be/belistsched.c
index dcf012f49..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);