[x86] adding PKU feature flag
authorAsaf Badouh <asaf.badouh@intel.com>
Tue, 15 Dec 2015 13:35:29 +0000 (13:35 +0000)
committerAsaf Badouh <asaf.badouh@intel.com>
Tue, 15 Dec 2015 13:35:29 +0000 (13:35 +0000)
commit22bb8f5964256f220b9cfdeb48e58964580ed6d5
tree9fed7092e99bd452aa9b79e72fef7f08e8ba5fa8
parent926403958d366588237c34b740cb944b3524d344
[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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255644 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Support/Host.cpp
lib/Target/X86/X86.td
lib/Target/X86/X86InstrInfo.td
lib/Target/X86/X86Subtarget.cpp
lib/Target/X86/X86Subtarget.h