target-alpha: Implement WH64EN

Backward compatible cache insn introduced for EV7.

Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>

diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 74f5d07f5611be1c61d6501ec5a76334610dfffc..953d1ef48d64ff7108d90befa01954b889365c6c 100644 (file)
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -2318,6 +2318,10 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
             /* WH64 */
             /* No-op */
             break;
+        case 0xFC00:
+            /* WH64EN */
+            /* No-op */
+            break;
         default:
             goto invalid_opc;
         }