expr.c (convert_move): Use GET_MODE_PRECISION instead of bitsize when seeing if…

expr.c (convert_move): Use GET_MODE_PRECISION instead of bitsize when seeing if truncation or extension.

	* expr.c (convert_move): Use GET_MODE_PRECISION instead of bitsize
	when seeing if truncation or extension.

From-SVN: r73689

gcc/ChangeLog

+2003-11-17  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (convert_move): Use GET_MODE_PRECISION instead of bitsize
+	when seeing if truncation or extension.
+
 2003-11-17  Eric Christopher  <echristo@redhat.com>
 
 	* reload1.c (reload): Fix previous change.

gcc/expr.c

@@ -606,9 +606,9 @@ convert_move (rtx to, rtx from, int unsignedp)
       rtx value, insns;
       convert_optab tab;
 
-      if (GET_MODE_BITSIZE (from_mode) < GET_MODE_BITSIZE (to_mode))
+      if (GET_MODE_PRECISION (from_mode) < GET_MODE_PRECISION (to_mode))
 	tab = sext_optab;
-      else if (GET_MODE_BITSIZE (from_mode) > GET_MODE_BITSIZE (to_mode))
+      else if (GET_MODE_PRECISION (from_mode) > GET_MODE_PRECISION (to_mode))
 	tab = trunc_optab;
       else
 	abort ();