calls.c (expand_call): If the arg block is going to grow downward...

* calls.c (expand_call): If the arg block is going to grow
downward, we need argblock to point to the top of the block,
not the bottom.

From-SVN: r67099

gcc/ChangeLog

+2003-05-22  DJ Delorie  <dj@redhat.com>
+
+	* calls.c (expand_call): If the arg block is going to grow
+	downward, we need argblock to point to the top of the block,
+	not the bottom.
+
 2003-05-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* c-decl.c (duplicate_decls): Test DECL for ERROR_MARK.

gcc/calls.c

@@ -2828,7 +2828,12 @@ expand_call (exp, target, ignore)
 		  if (needed == 0)
 		    argblock = virtual_outgoing_args_rtx;
 		  else
-		    argblock = push_block (GEN_INT (needed), 0, 0);
+		    {
+		      argblock = push_block (GEN_INT (needed), 0, 0);
+#ifdef ARGS_GROW_DOWNWARD
+		      argblock = plus_constant (argblock, needed);
+#endif
+		    }
 
 		  /* We only really need to call `copy_to_reg' in the case
 		     where push insns are going to be used to pass ARGBLOCK