targhooks.h (default_canonicalize_comparison): Fix prototype.

2012-12-19  Richard Biener  <rguenther@suse.de>

	* targhooks.h (default_canonicalize_comparison): Fix prototype.
	* targhooks.c (default_canonicalize_comparison): Define.

From-SVN: r194610

gcc/ChangeLog

 2012-12-19  Richard Biener  <rguenther@suse.de>
 
+	* targhooks.h (default_canonicalize_comparison): Fix prototype.
+	* targhooks.c (default_canonicalize_comparison): Define.
+
+2012-12-19  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/55736
 	PR tree-optimization/55703
 	* gimplify.c (prune_expr_location): New function.

gcc/targhooks.c

@@ -1540,4 +1540,11 @@ default_member_type_forces_blk (const_tree, enum machine_mode)
   return false;
 }
 
+/* Default version of canonicalize_comparison.  */
+
+void
+default_canonicalize_comparison (int *, rtx *, rtx *, bool)
+{
+}
+
 #include "gt-targhooks.h"

gcc/targhooks.h

@@ -179,7 +179,7 @@ extern unsigned char default_class_max_nregs (reg_class_t, enum machine_mode);
 
 extern enum unwind_info_type default_debug_unwind_info (void);
 
-extern bool default_canonicalize_comparison (int *, rtx *, rtx *, bool);
+extern void default_canonicalize_comparison (int *, rtx *, rtx *, bool);
 
 extern int default_label_align_after_barrier_max_skip (rtx);
 extern int default_loop_align_max_skip (rtx);