[x86] adding PKU feature flag

[oota-llvm.git] / lib / Target / X86 / X86.td

diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index 7fc4def15fe5f9c31d7d092773c82c4f4af2870a..d2055adc99d00f5889c39b7af55bad38f8530b94 100644 (file)
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -134,6 +134,8 @@ def FeatureBWI     : SubtargetFeature<"avx512bw", "HasBWI", "true",
 def FeatureVLX     : SubtargetFeature<"avx512vl", "HasVLX", "true",
                       "Enable AVX-512 Vector Length eXtensions",
                                       [FeatureAVX512]>;
+def FeaturePKU   : SubtargetFeature<"pku", "HasPKU", "true",
+                      "Enable protection keys">;
 def FeaturePCLMUL  : SubtargetFeature<"pclmul", "HasPCLMUL", "true",
                          "Enable packed carry-less multiplication instructions",
                                [FeatureSSE2]>;
@@ -491,6 +493,7 @@ class SkylakeProc<string Name> : ProcessorModel<Name, HaswellModel, [
   FeatureDQI,
   FeatureBWI,
   FeatureVLX,
+  FeaturePKU,
   FeatureCMPXCHG16B,
   FeatureSlowBTMem,
   FeaturePOPCNT,