regmove.c (regmove_optimize): Don't try to make src and dst match when they are in different modes.

	* regmove.c (regmove_optimize): Don't try to make src and dst match
	when they are in different modes.

From-SVN: r68682

gcc/ChangeLog

+Mon Jun 30 00:50:43 CEST 2003  Jan Hubicka  <jh@suse.cz>
+
+	* regmove.c (regmove_optimize): Don't try to make src and dst match
+	when they are in different modes.
+
 Sun Jun 29 23:06:32 CEST 2003  Jan Hubicka  <jh@suse.cz>
 
 	* builtins.c (expand_builtin_mathfn, expand_builtin_mathfn_2): Avoid

gcc/regmove.c

@@ -1289,7 +1289,8 @@ regmove_optimize (f, nregs, regmove_dump_file)
 	      if (GET_CODE (dst) != REG
 		  || REGNO (dst) < FIRST_PSEUDO_REGISTER
 		  || REG_LIVE_LENGTH (REGNO (dst)) < 0
-		  || RTX_UNCHANGING_P (dst))
+		  || RTX_UNCHANGING_P (dst)
+		  || GET_MODE (src) != GET_MODE (dst))
 		continue;
 
 	      /* If the operands already match, then there is nothing to do.  */