calls.c (check_sibcall_argument_overlap_1): Handle pointers to incoming args space correctly.

	* calls.c (check_sibcall_argument_overlap_1): Handle pointers
	to incoming args space correctly.

From-SVN: r84472

gcc/ChangeLog

+2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
+
+	* calls.c (check_sibcall_argument_overlap_1): Handle pointers
+	to incoming args space correctly.
+
 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	* pa.c (output_indirect_call): Only use %r2 as the link register in

gcc/calls.c

@@ -1671,7 +1671,7 @@ check_sibcall_argument_overlap_1 (rtx x)
 	       && GET_CODE (XEXP (XEXP (x, 0), 1)) == CONST_INT)
 	i = INTVAL (XEXP (XEXP (x, 0), 1));
       else
-	return 0;
+	return 1;
 
 #ifdef ARGS_GROW_DOWNWARD
       i = -i - GET_MODE_SIZE (GET_MODE (x));