[NDS32] Use machine mode with E_ prefix.

gcc/
	* config/nds32/nds32-predicates.c (const_vector_to_hwint): Use machine
	mode with E_ prefix.

From-SVN: r260391

gcc/ChangeLog

+2018-05-19  Chung-Ju Wu  <jasonwucj@gmail.com>
+
+	* config/nds32/nds32-predicates.c (const_vector_to_hwint): Use machine
+	mode with E_ prefix.
+
 2018-05-19  Kuan-Lin Chen <kuanlinchentw@gmail.com>
 	    Chung-Ju Wu  <jasonwucj@gmail.com>
 

gcc/config/nds32/nds32-predicates.c

@@ -531,12 +531,12 @@ const_vector_to_hwint (rtx op)
 
   switch (GET_MODE (op))
     {
-      case V2HImode:
+      case E_V2HImode:
 	mask = 0xffff;
 	shift_adv = 16;
 	nelem = 2;
 	break;
-      case V4QImode:
+      case E_V4QImode:
 	mask = 0xff;
 	shift_adv = 8;
 	nelem = 4;