diff --git a/cpu-exec.c b/cpu-exec.c
index 51aa416..bfaf908 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -215,7 +215,7 @@ static void cpu_handle_debug_exception(CPUState *env)

  int cpu_exec(CPUState *env1)
  {
-    host_reg_t saved_env_reg;
+    volatile host_reg_t saved_env_reg;
      int ret, interrupt_request;
      TranslationBlock *tb;
      uint8_t *tc_ptr;
@@ -230,8 +230,8 @@ int cpu_exec(CPUState *env1)
         value, so that files not including target-xyz/exec.h are free to
         use it.  */
      QEMU_BUILD_BUG_ON (sizeof (saved_env_reg) != sizeof (env));
-    saved_env_reg = (host_reg_t) env;
      asm("");
+    saved_env_reg = (host_reg_t) env;
      env = env1;

  #if defined(TARGET_I386)