re PR target/64217 (LRA: generate wrong liveness info after r217947 for clobber in jump_insn)

	PR target/64217
	* config/nds32/nds32.md (casesi_internal): Add '=r' for clobber
	register constraint.

From-SVN: r218774

gcc/ChangeLog

+2014-12-16  Chung-Ju Wu  <jasonwucj@gmail.com>
+
+	PR target/64217
+	* config/nds32/nds32.md (casesi_internal): Add '=r' for clobber
+	register constraint.
+
 2014-12-15  DJ Delorie  <dj@redhat.com>
 
 	* config/rl78/rl78.h: Remove SHORT_IMMEDIATES_SIGN_EXTEND.

gcc/config/nds32/nds32.md

@@ -2178,7 +2178,7 @@ create_template:
 					     (const_int 4))
 				    (label_ref (match_operand 1 "" "")))))
 	      (use (label_ref (match_dup 1)))
-	      (clobber (match_operand:SI 2 "register_operand" ""))
+	      (clobber (match_operand:SI 2 "register_operand" "=r"))
 	      (clobber (reg:SI TA_REGNUM))])]
   ""
 {