Don't allow 32-bit only instructions to be disassembled in 64-bit mode. Fixes part of PR10700.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140370 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/X86RecognizableInstr.h b/utils/TableGen/X86RecognizableInstr.h
index 677d9f0..390b89e 100644
--- a/utils/TableGen/X86RecognizableInstr.h
+++ b/utils/TableGen/X86RecognizableInstr.h
@@ -64,8 +64,10 @@
   bool HasLockPrefix;
   /// The isCodeGenOnly filed from the record
   bool IsCodeGenOnly;
-  // Whether the instruction has the predicate "Mode64Bit"
+  // Whether the instruction has the predicate "In64BitMode"
   bool Is64Bit;
+  // Whether the instruction has the predicate "In32BitMode"
+  bool Is32Bit;
   
   /// The instruction name as listed in the tables
   std::string Name;