ira-conflicts.c (print_allocno_conflicts): Always print something, even for…

ira-conflicts.c (print_allocno_conflicts): Always print something, even for allocno's with no conflicts.

gcc/
	* ira-conflicts.c (print_allocno_conflicts): Always print something,
	even for allocno's with no conflicts.
	(print_conflicts): Print an extra newline.

From-SVN: r270420

gcc/ChangeLog

+2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
+
+	* ira-conflicts.c (print_allocno_conflicts): Always print something,
+	even for allocno's with no conflicts.
+	(print_conflicts): Print an extra newline.
+
 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	* auto-inc-dec.c (attempt_change): Set the alignment of the

gcc/ira-conflicts.c

@@ -633,7 +633,12 @@ print_allocno_conflicts (FILE * file, bool reg_p, ira_allocno_t a)
       ira_object_conflict_iterator oci;
 
       if (OBJECT_CONFLICT_ARRAY (obj) == NULL)
-	continue;
+	{
+	  fprintf (file, "\n;;     total conflict hard regs:\n");
+	  fprintf (file, ";;     conflict hard regs:\n\n");
+	  continue;
+	}
+
       if (n > 1)
 	fprintf (file, "\n;;   subobject %d:", i);
       FOR_EACH_OBJECT_CONFLICT (obj, conflict_obj, oci)
@@ -683,6 +688,7 @@ print_conflicts (FILE *file, bool reg_p)
 
   FOR_EACH_ALLOCNO (a, ai)
     print_allocno_conflicts (file, reg_p, a);
+  putc ('\n', file);
 }
 
 /* Print information about allocno or only regno (if REG_P) conflicts