You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
to be checked for va_list references. */
bool (*stdarg_optimize_hook) (struct stdarg_info *ai, tree lhs, tree rhs);
- /* Returns true if target supports the insn within a doloop block. */
- bool (*insn_valid_within_doloop) (rtx);
+ /* Returns NULL if target supports the insn within a doloop block,
+ otherwise it returns an error message. */
+ const char * (*invalid_within_doloop) (rtx);
/* Functions relating to calls - argument passing, returns, etc. */
struct calls {