[x86][icelake]GFNI
galois field arithmetic (GF(2^8)) insns:
gf2p8affineinvqb
gf2p8affineqb
gf2p8mulb
Differential Revision: https://reviews.llvm.org/D40373

llvm-svn: 318993
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
index 0f99540..72c08e2 100644
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -299,6 +299,7 @@
   HasXSAVES = false;
   HasPCLMUL = false;
   HasVPCLMULQDQ = false;
+  HasGFNI = false;
   HasFMA = false;
   HasFMA4 = false;
   HasXOP = false;