64 bit truncation in code_gen_buffer_size calculation (Jes Sorensen)

Don't truncate code_gen_buffer_size calculation to int, as it will give
unpredicted results on 64 bit systems when booting large guests.
Signed-off-by: NJes Sorensen <jes@sgi.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5310 c046a42c-6fe2-441c-8c8c-71466251a162

exec.c

@@ -410,7 +410,7 @@ static void code_gen_alloc(unsigned long tb_size)
         code_gen_buffer_size = DEFAULT_CODE_GEN_BUFFER_SIZE;
 #else
         /* XXX: needs ajustments */
-        code_gen_buffer_size = (int)(phys_ram_size / 4);
+        code_gen_buffer_size = (unsigned long)(phys_ram_size / 4);
 #endif
     }
     if (code_gen_buffer_size < MIN_CODE_GEN_BUFFER_SIZE)