Re: [Qemu-devel] [PATCH 06/17] target-openrisc: Put SR[OVE] in TB flags

[Bastian Koppelmann]

On 09/03/2015 02:17 AM, Richard Henderson wrote:
  {
      /* Sync the tb dependent flag between translate and runtime.  */
-    if (dc->tb_flags != dc->synced_flags) {
-        tcg_gen_movi_tl(env_flags, dc->tb_flags);
+    if ((dc->tb_flags ^ dc->synced_flags) & D_FLAG) {
+        tcg_gen_movi_tl(env_flags, dc->tb_flags & D_FLAG);
          dc->synced_flags = dc->tb_flags;
      }
  }
Why do we only need to sync D_FLAG? Will there only be D_FLAG, which 
needs to be synced?

Cheers,
Bastian