[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
2017-10-25 17:10:32 +00:00 · 2017-10-25 17:10:32 +00:00 · 6fae2eedf3
parent 9c1eeaca80
commit 6fae2eedf3
1 changed files with 2 additions and 1 deletions
--- 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