target-i386: Move TCG initialization check to tcg_x86_init()

Instead of requiring cpu.c to check if TCG was already initialized,
simply let the function be called multiple times.
Suggested-by: NIgor Mammedov <imammedo@redhat.com>
Reviewed-by: NIgor Mammedov <imammedo@redhat.com>
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>

target-i386/cpu.c

@@ -3088,7 +3088,6 @@ static void x86_cpu_initfn(Object *obj)
     X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
     CPUX86State *env = &cpu->env;
     FeatureWord w;
-    static int inited;
 
     cs->env_ptr = env;
     cpu_exec_init(cs, &error_abort);
@@ -3139,8 +3138,7 @@ static void x86_cpu_initfn(Object *obj)
     x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort);
 
     /* init various static tables used in TCG mode */
-    if (tcg_enabled() && !inited) {
-        inited = 1;
+    if (tcg_enabled()) {
         tcg_x86_init();
     }
 }

target-i386/translate.c

@@ -8144,6 +8144,12 @@ void tcg_x86_init(void)
         "bnd0_ub", "bnd1_ub", "bnd2_ub", "bnd3_ub"
     };
     int i;
+    static bool initialized;
+
+    if (initialized) {
+        return;
+    }
+    initialized = true;
 
     cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
     cpu_cc_op = tcg_global_mem_new_i32(cpu_env,