target-alpha: Generate fence op

Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Message-Id: <20160714202026.9727-13-bobby.prani@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>

diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 0ea0e6e1465d3fcc0c4bd6b363f08b34c9643343..c27c7b9cc49937098b5e54f95236f66f084abaac 100644 (file)
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -2338,11 +2338,11 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
             break;
         case 0x4000:
             /* MB */
-            /* No-op */
+            tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
             break;
         case 0x4400:
             /* WMB */
-            /* No-op */
+            tcg_gen_mb(TCG_MO_ST_ST | TCG_BAR_SC);
             break;
         case 0x8000:
             /* FETCH */