genemit.c (gen_exp): Allow machine description to set mode of MATCH_OP_DUP.

	* genemit.c (gen_exp): Allow machine description to set mode of
	MATCH_OP_DUP.

From-SVN: r19359

gcc/ChangeLog

+Tue Apr 21 20:48:37 1998  John Carr  <jfc@mit.edu>
+
+	* genemit.c (gen_exp): Allow machine description to set mode of
+	MATCH_OP_DUP.
+
 Tue Apr 21 16:36:01 1998  John Carr  <jfc@mit.edu>
 
 	* alias.c (mode_alias_check): New function.

gcc/genemit.c

@@ -172,8 +172,11 @@ gen_exp (x)
       return;
 
     case MATCH_OP_DUP:
-      printf ("gen_rtx (GET_CODE (operand%d), GET_MODE (operand%d)",
-	      XINT (x, 0), XINT (x, 0));
+      printf ("gen_rtx (GET_CODE (operand%d), ", XINT (x, 0));
+      if (GET_MODE (x) == VOIDmode)
+	printf ("GET_MODE (operand%d)", XINT (x, 0));
+      else
+	printf ("%smode", GET_MODE_NAME (GET_MODE (x)));
       for (i = 0; i < XVECLEN (x, 1); i++)
 	{
 	  printf (",\n\t\t");