From 5acf66ff97843df85a697b38b091cdcc8decbd0a Mon Sep 17 00:00:00 2001
From: Asaf Badouh <asaf.badouh@intel.com>
Date: Tue, 15 Dec 2015 13:35:29 +0000
Subject: [x86] adding PKU feature flag

the feature flag is essential for RDPKRU and WRPKRU instruction
more about the instruction can be found in the SDM rev 56, vol 2 from http://www.intel.com/sdm

Differential Revision: http://reviews.llvm.org/D15491

llvm-svn: 255644
---
 llvm/lib/Target/X86/X86Subtarget.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/Target/X86/X86Subtarget.cpp')

diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
index f90a0b0d04f..8ef08c960f0 100644
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -270,6 +270,7 @@ void X86Subtarget::initializeEnvironment() {
   HasBWI = false;
   HasVLX = false;
   HasADX = false;
+  HasPKU = false;
   HasSHA = false;
   HasPRFCHW = false;
   HasRDSEED = false;
-- 
cgit v1.2.3