S/390: Fix check for builtins valid with -mhtm

	* gcc/config/s390/s390.c (s390_expand_builtin): Exlude non-htm
	builtins from checking for -mhtm option.

From-SVN: r221184

gcc/ChangeLog

+2015-03-04  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
+
+	* gcc/config/s390/s390.c (s390_expand_builtin): Exlude non-htm
+	builtins from checking for -mhtm option.
+
 2015-03-03  Jan Hubicka  <hubicka@ucw.cz>
 
 	* tree-sra.c (convert_callers): Use call_for_symbol_and_aliases.

gcc/config/s390/s390.c

@@ -10122,7 +10122,7 @@ s390_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED,
   if (icode == 0)
     internal_error ("bad builtin fcode");
 
-  if (!TARGET_HTM)
+  if (!TARGET_HTM && fcode <= S390_BUILTIN_TX_ASSIST)
     error ("Transactional execution builtins not enabled (-mhtm)\n");
 
   /* Set a flag in the machine specific cfun part in order to support