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| author | Craig Topper <craig.topper@intel.com> | 2017-12-27 22:26:01 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-12-27 22:26:01 +0000 |
| commit | 520d055f66277541337c686944f47fb871bdd25b (patch) | |
| tree | 0f6243d399d814f4c08f75664d751c30bc83f8ce /clang/lib/Basic | |
| parent | 5bd93e99e2b656aca528190e60c8b098585dcb9a (diff) | |
| download | bcm5719-llvm-520d055f66277541337c686944f47fb871bdd25b.tar.gz bcm5719-llvm-520d055f66277541337c686944f47fb871bdd25b.zip | |
[X86] Don't accidentally enable PKU on cannon lake and icelake or CLWB on cannonlake.
We have cannonlake and icelake inheriting from skylake server in a switch using fallthroughs. But they aren't perfect supersets of skylake server.
llvm-svn: 321504
Diffstat (limited to 'clang/lib/Basic')
| -rw-r--r-- | clang/lib/Basic/Targets/X86.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/clang/lib/Basic/Targets/X86.cpp b/clang/lib/Basic/Targets/X86.cpp index 097d9178c68..3efba26a837 100644 --- a/clang/lib/Basic/Targets/X86.cpp +++ b/clang/lib/Basic/Targets/X86.cpp @@ -152,8 +152,10 @@ bool X86TargetInfo::initFeatureMap( setFeatureEnabledImpl(Features, "avx512dq", true); setFeatureEnabledImpl(Features, "avx512bw", true); setFeatureEnabledImpl(Features, "avx512vl", true); - setFeatureEnabledImpl(Features, "pku", true); - setFeatureEnabledImpl(Features, "clwb", true); + if (Kind == CK_SkylakeServer) { + setFeatureEnabledImpl(Features, "pku", true); + setFeatureEnabledImpl(Features, "clwb", true); + } LLVM_FALLTHROUGH; case CK_SkylakeClient: setFeatureEnabledImpl(Features, "xsavec", true); |
