undocumented 0x82 opcode is invalid in 64 bit code

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4687 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/target-i386/translate.c b/target-i386/translate.c
index 85495a9d1d7b2b937b3bc087a5bf0942a7c393be..14903b4dfea19842a456da203c9b5bc6f55afecf 100644 (file)
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -3788,9 +3788,11 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
         }
         break;
 
+    case 0x82:
+        if (CODE64(s))
+            goto illegal_op;
     case 0x80: /* GRP1 */
     case 0x81:
-    case 0x82:
     case 0x83:
         {
             int val;