The output of "-cpu help" doesn't change depending on the machine
type, already.  We can remove usage of default_cpu_version and
keep output exactly the same.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 target/i386/cpu.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 843f8c4b68..8cecc669b3 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -3980,10 +3980,11 @@ static void x86_cpu_list_entry(gpointer data, gpointer user_data)
     X86CPUClass *cc = X86_CPU_CLASS(oc);
     g_autofree char *name = x86_cpu_class_get_model_name(cc);
     g_autofree char *desc = g_strdup(cc->model_description);
-    g_autofree char *alias_of = x86_cpu_class_get_alias_of(cc, default_cpu_version);
 
-    if (!desc && alias_of) {
-        if (cc->model && cc->model->version == CPU_VERSION_AUTO) {
+    if (!desc && cc->model && cc->model->is_alias) {
+        g_autofree char *alias_of =
+            x86_cpu_class_get_alias_of(cc, CPU_VERSION_AUTO);
+        if (!alias_of) {
             desc = g_strdup("(alias configured by machine type)");
         } else {
             desc = g_strdup_printf("(alias of %s)", alias_of);
-- 
2.21.0