--- /home/ludo/src/zile/t/zile-on-guile-0.0/good.S	2012-02-13 15:12:29.000000000 +0100
+++ /home/ludo/src/zile/t/zile-on-guile-0.0/bad.S	2012-02-13 15:12:40.000000000 +0100
@@ -6,8 +6,8 @@
    be 00 00 00 00          mov    $0x0,%esi
    bf 00 00 00 00          mov    $0x0,%edi
    31 c0                   xor    %eax,%eax
-   48 c7 44 24 30 00 00    movq   $0x0,0x30(%rsp)
-   00 00 
+   c7 44 24 30 00 00 00    movl   $0x0,0x30(%rsp)
+   00 
    48 c7 44 24 28 00 00    movq   $0x0,0x28(%rsp)
    00 00 
    48 c7 44 24 20 00 00    movq   $0x0,0x20(%rsp)