From 58d9b0853ce570cb6030877c1a5f08b484fdd9a4 Mon Sep 17 00:00:00 2001
From: svenbarth <pascaldragon@googlemail.com>
Date: Wed, 24 Oct 2012 05:03:08 +0000
Subject: [PATCH] * rtl/m68k/m68k.inc, move:     add a check for "count = 0"
 which happens e.g. inside of System.Assign if called with '' as filename
 (which is the case inside OpenStdIO)

git-svn-id: trunk@22841 -
---
 rtl/m68k/m68k.inc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rtl/m68k/m68k.inc b/rtl/m68k/m68k.inc
index 8a28cc3590..506583930f 100644
--- a/rtl/m68k/m68k.inc
+++ b/rtl/m68k/m68k.inc
@@ -249,6 +249,8 @@ begin
   asm
     clr.l      d0
     move.l   16(a6),d0   {  number of bytes }
+    tst.l  d0            { anything to copy at all? }
+    beq    @LMOVE5
   @LMOVE0:
     move.l   12(a6),a1   {  destination          }
     move.l   8(a6),a0      {  source               }