S/390: Remove superfluous loops.

gcc/ChangeLog:

2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_register_info_set_ranges): Remove
	superfluous loops.

From-SVN: r233173

gcc/ChangeLog

+2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
+
+	* config/s390/s390.c (s390_register_info_set_ranges): Remove
+	superfluous loops.
+
 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 
 	* doc/extend.texi: S/390: Correct some typos.

gcc/config/s390/s390.c

@@ -9326,10 +9326,6 @@ s390_register_info_set_ranges ()
   for (j = 15; j > i && cfun_gpr_save_slot (j) != SAVE_SLOT_STACK; j--);
   cfun_frame_layout.first_restore_gpr = (i == 16) ? -1 : i;
   cfun_frame_layout.last_restore_gpr = (i == 16) ? -1 : j;
-
-  /* Now the range of GPRs which need saving.  */
-  for (i = 0; i < 16 && cfun_gpr_save_slot (i) != SAVE_SLOT_STACK; i++);
-  for (j = 15; j > i && cfun_gpr_save_slot (j) != SAVE_SLOT_STACK; j--);
   cfun_frame_layout.first_save_gpr = (i == 16) ? -1 : i;
   cfun_frame_layout.last_save_gpr = (i == 16) ? -1 : j;
 }