From 6fae2eedf321e466acd0ad0f8dcc6867db60df9c Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Wed, 25 Oct 2017 17:10:32 +0000
Subject: [PATCH] [X86] Add avx512vpopcntdq to Knights Mill

As indicated by Table 1-1 in Intel Architecture Instruction Set Extensions and Future Features Programming Reference from October 2017.

llvm-svn: 316592
---
 llvm/lib/Target/X86/X86.td | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/X86/X86.td b/llvm/lib/Target/X86/X86.td
index 1a13ac2..840b3b4 100644
--- a/llvm/lib/Target/X86/X86.td
+++ b/llvm/lib/Target/X86/X86.td
@@ -626,7 +626,8 @@ class KnightsMillProc<string Name> : ProcModel<Name, HaswellModel,
                                                KNLFeatures.Value, [
   ProcIntelKNL,
   FeatureSlowTwoMemOps,
-  FeatureFastPartialYMMorZMMWrite
+  FeatureFastPartialYMMorZMMWrite,
+  FeatureVPOPCNTDQ
 ]>;
 def : KnightsMillProc<"knm">; // TODO Add AVX5124FMAPS/AVX5124VNNIW features
 
-- 
2.7.4