[ARC] Fix compact casesi option.

gcc/
2016-11-29  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_override_options): Avoid selection of
        compact casesi for ARCv2.

From-SVN: r242961

gcc/ChangeLog

+2016-11-29  Claudiu Zissulescu  <claziss@synopsys.com>
+
+	* config/arc/arc.c (arc_override_options): Avoid selection of
+	compact casesi for ARCv2.
+
 2016-11-29  Richard Biener  <rguenther@suse.de>
 
 	* tree-cfg.c (lower_phi_internal_fn): Do not look for further

gcc/config/arc/arc.c

@@ -871,11 +871,13 @@ arc_override_options (void)
     optimize_size = 1;
 
   /* Compact casesi is not a valid option for ARCv2 family.  */
-  if (TARGET_V2
-      && TARGET_COMPACT_CASESI)
+  if (TARGET_V2)
     {
-      warning (0, "compact-casesi is not applicable to ARCv2");
-      TARGET_COMPACT_CASESI = 0;
+      if (TARGET_COMPACT_CASESI)
+	{
+	  warning (0, "compact-casesi is not applicable to ARCv2");
+	  TARGET_COMPACT_CASESI = 0;
+	}
     }
   else if (optimize_size == 1
 	   && !global_options_set.x_TARGET_COMPACT_CASESI)