sh.c (sh_promote_function_mode): Use default_promote_function_mode if !sh_promote_prototypes.

2010-10-29  Paolo Bonzini  <bonzini@gnu.org>

	* config/sh/sh.c (sh_promote_function_mode): Use
	default_promote_function_mode if !sh_promote_prototypes.

From-SVN: r166057

gcc/ChangeLog

+2010-10-29  Paolo Bonzini  <bonzini@gnu.org>
+
+	* config/sh/sh.c (sh_promote_function_mode): Use
+	default_promote_function_mode if !sh_promote_prototypes.
+
 2010-10-28  Paolo Bonzini  <bonzini@gnu.org>
 
 	* recog.c (split_all_insns): Remove dead code.

gcc/config/sh/sh.c

@@ -8149,12 +8149,13 @@ sh_dwarf_register_span (rtx reg)
 static enum machine_mode
 sh_promote_function_mode (const_tree type, enum machine_mode mode,
 			  int *punsignedp, const_tree funtype,
-			  int for_return ATTRIBUTE_UNUSED)
+			  int for_return)
 {
   if (sh_promote_prototypes (funtype))
     return promote_mode (type, mode, punsignedp);
   else
-    return mode;
+    return default_promote_function_mode (type, mode, punsignedp, funtype,
+					  for_return);
 }
 
 static bool