diff -Naur qemu-0.7.0.orig/linux-user/syscall.c qemu-0.7.0/linux-user/syscall.c
--- qemu-0.7.0.orig/linux-user/syscall.c	2005-10-21 19:56:04.000000000 -0700
+++ qemu-0.7.0/linux-user/syscall.c	2005-10-21 20:02:20.000000000 -0700
@@ -1560,11 +1560,7 @@
         if (!newsp)
             newsp = env->gpr[1];
         new_env->gpr[1] = newsp;
-        { 
-            int i;
-            for (i = 7; i < 32; i++)
-                new_env->gpr[i] = 0;
-        }
+        new_env->gpr[3] = 0;
 #else
 #error unsupported target CPU
 #endif