From 74459cbc374273b3419ca364c1971231e539d979 Mon Sep 17 00:00:00 2001
From: Adam Nemet <anemet@apple.com>
Date: Wed, 8 Oct 2014 23:25:29 +0000
Subject: [PATCH] [AVX512] Support mask register in MRMDestReg format

This is necessary for masking vextract*x4.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219359 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/X86RecognizableInstr.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp
index 6718e0d8001..9b8092f8bed 100644
--- a/utils/TableGen/X86RecognizableInstr.cpp
+++ b/utils/TableGen/X86RecognizableInstr.cpp
@@ -592,6 +592,8 @@ void RecognizableInstr::emitInstructionSpecifier() {
            "Unexpected number of operands for MRMDestRegFrm");
 
     HANDLE_OPERAND(rmRegister)
+    if (HasEVEX_K)
+      HANDLE_OPERAND(writemaskRegister)
 
     if (HasVEX_4V)
       // FIXME: In AVX, the register below becomes the one encoded
-- 
2.11.0