[NDS32] Restrict mov pattern that has at least one register operand.

gcc/
	* config/nds32/nds32-doubleword.md (move_<mode>): Require
	resiter_operand condition.
	* config/nds32/nds32.md (*move<mode>): Ditto.

From-SVN: r259077

gcc/ChangeLog

 2018-04-04  Kito Cheng  <kito.cheng@gmail.com>
+
+	* config/nds32/nds32-doubleword.md (move_<mode>): Require
+	resiter_operand condition.
+	* config/nds32/nds32.md (*move<mode>): Ditto.
+
+2018-04-04  Kito Cheng  <kito.cheng@gmail.com>
 	    Monk Chiang  <sh.chiang04@gmail.com>
 
 	* config/nds32/nds32.md (movmisalign<mode>): New pattern.

gcc/config/nds32/nds32-doubleword.md

@@ -48,7 +48,8 @@
 (define_insn "move_<mode>"
   [(set (match_operand:DIDF 0 "nonimmediate_operand" "=r, r, r, m")
 	(match_operand:DIDF 1 "general_operand"      " r, i, m, r"))]
-  ""
+  "register_operand(operands[0], <MODE>mode)
+   || register_operand(operands[1], <MODE>mode)"
 {
   rtx addr;
   rtx otherops[5];

gcc/config/nds32/nds32.md

@@ -158,7 +158,8 @@
 (define_insn "*mov<mode>"
   [(set (match_operand:QIHISI 0 "nonimmediate_operand" "=r, r, U45, U33, U37, U45, m,   l,   l,   l,   d, r,    d,    r,    r,    r")
 	(match_operand:QIHISI 1 "nds32_move_operand"   " r, r,   l,   l,   l,   d, r, U45, U33, U37, U45, m, Ip05, Is05, Is20, Ihig"))]
-  ""
+  "register_operand(operands[0], <MODE>mode)
+   || register_operand(operands[1], <MODE>mode)"
 {
   switch (which_alternative)
     {