commit 5c7fe5df5312d02c027531a9121e7ac9e8e01b73
author Coby Tayree <coby.tayree@intel.com> Tue Nov 21 10:32:42 2017 +0000
committer Coby Tayree <coby.tayree@intel.com> Tue Nov 21 10:32:42 2017 +0000
tree 03afa62deade26efad51b0224a497f0f5152d49f
parent c79dfb3b316d45536b9b1a8377fcdbc17fee50ab

[x86][icelake]BITALG
vpopcnt{b,w}
Differential Revision: https://reviews.llvm.org/D40213

llvm-svn: 318748

llvm/lib/Support/Host.cpp

diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index c5436f7..d7b1ad9 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -1269,6 +1269,9 @@
   // Enable Vector Neural Network Instructions
   Features["avx512vnni"] = HasLeaf7 && ((ECX >> 11) & 1) && HasAVX512Save;
 
+  // Enable Bit Algorithms
+  Features["avx512bitalg"] = HasLeaf7 && ((ECX >> 12) & 1) && HasAVX512Save;
+
   bool HasLeafD = MaxLevel >= 0xd &&
                   !getX86CpuIDAndInfoEx(0xd, 0x1, &EAX, &EBX, &ECX, &EDX);