diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ed7224fa3a7..57ec1f6c271 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2015-09-24  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	* config/rs6000/rs6000.c (debug_stack_info): Invert the test
+	for info->spe_gp_size.
+
 2015-09-24  Richard Biener  <rguenther@suse.de>
 
 	PR lto/67699
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 5897ea82b8a..f8638f93de5 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -22703,7 +22703,7 @@ debug_stack_info (rs6000_stack_t *info)
     fprintf (stderr, "\taltivec_save_offset = %5d\n",
 	     info->altivec_save_offset);
 
-  if (info->spe_gp_size == 0)
+  if (info->spe_gp_size)
     fprintf (stderr, "\tspe_gp_save_offset  = %5d\n",
 	     info->spe_gp_save_offset);