varasm.c (default_function_section): Check flag_reorder_functions and targetm.have_named_sections.

	* varasm.c (default_function_section): Check flag_reorder_functions
	and targetm.have_named_sections.
	* config/darwin.c (darwin_function_section): Check
	flag_reorder_functions.

Co-Authored-By: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>

From-SVN: r167727

gcc/ChangeLog

+2010-12-12  Jan Hubicka  <jh@suse.cz>
+	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* varasm.c (default_function_section): Check flag_reorder_functions
+	and targetm.have_named_sections.
+	* config/darwin.c (darwin_function_section): Check
+	flag_reorder_functions.
+
 2010-12-12  Finn Thain  <fthain@telegraphics.com.au>
 
 	PR target/46179

gcc/config/darwin.c

@@ -2968,6 +2968,8 @@ section *
 darwin_function_section (tree decl, enum node_frequency freq,
 			  bool startup, bool exit)
 {
+  if (!flag_reorder_functions)
+    return NULL;
   /* Startup code should go to startup subsection unless it is
      unlikely executed (this happens especially with function splitting
      where we can split away unnecesary parts of static constructors.  */

gcc/varasm.c

@@ -533,6 +533,9 @@ section *
 default_function_section (tree decl, enum node_frequency freq,
 			  bool startup, bool exit)
 {
+  if (!flag_reorder_functions
+      || !targetm.have_named_sections)
+    return NULL;
   /* Startup code should go to startup subsection unless it is
      unlikely executed (this happens especially with function splitting
      where we can split away unnecesary parts of static constructors.  */