2 files changed, 10 insertions, 1 deletions
diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp
index ce8ea1a39a..b8b282a7a6 100644
--- a/utils/TableGen/X86RecognizableInstr.cpp
+++ b/utils/TableGen/X86RecognizableInstr.cpp
@@ -221,6 +221,7 @@ RecognizableInstr::RecognizableInstr(DisassemblerTables &tables,
   HasVEX_4VPrefix  = Rec->getValueAsBit("hasVEX_4VPrefix");
   HasVEX_4VOp3Prefix = Rec->getValueAsBit("hasVEX_4VOp3Prefix");
   HasVEX_WPrefix   = Rec->getValueAsBit("hasVEX_WPrefix");
+  HasMemOp4Prefix  = Rec->getValueAsBit("hasMemOp4Prefix");
   IgnoresVEX_L     = Rec->getValueAsBit("ignoresVEX_L");
   HasLockPrefix    = Rec->getValueAsBit("hasLockPrefix");
   IsCodeGenOnly    = Rec->getValueAsBit("isCodeGenOnly");
@@ -690,6 +691,9 @@ void RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) {
       // in ModRMVEX and the one above the one in the VEX.VVVV field
       HANDLE_OPERAND(vvvvRegister)
 
+    if (HasMemOp4Prefix)
+      HANDLE_OPERAND(immediate)
+
     HANDLE_OPERAND(rmRegister)
 
     if (HasVEX_4VOp3Prefix)
@@ -717,6 +721,9 @@ void RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) {
       // in ModRMVEX and the one above the one in the VEX.VVVV field
       HANDLE_OPERAND(vvvvRegister)
 
+    if (HasMemOp4Prefix)
+      HANDLE_OPERAND(immediate)
+
     HANDLE_OPERAND(memory)
 
     if (HasVEX_4VOp3Prefix)
diff --git a/utils/TableGen/X86RecognizableInstr.h b/utils/TableGen/X86RecognizableInstr.h
index 42a5fec1d3..3ae112b1e7 100644
--- a/utils/TableGen/X86RecognizableInstr.h
+++ b/utils/TableGen/X86RecognizableInstr.h
@@ -62,7 +62,9 @@ private:
   bool HasVEX_WPrefix;
   /// Inferred from the operands; indicates whether the L bit in the VEX prefix is set
   bool HasVEX_LPrefix;
-  // The ignoreVEX_L field from the record
+  /// The hasMemOp4Prefix field from the record
+  bool HasMemOp4Prefix;
+  /// The ignoreVEX_L field from the record
   bool IgnoresVEX_L;
   /// The hasLockPrefix field from the record
   bool HasLockPrefix;