[PATCH] D45058: [X86] Disable SGX for Skylake Server

[Gabor Buella via Phabricator via cfe-commits]

GBuella created this revision.
GBuella added reviewers: craig.topper, zvi, echristo.
Herald added a subscriber: cfe-commits.

Repository:
  rC Clang

https://reviews.llvm.org/D45058

Files:
  lib/Basic/Targets/X86.cpp


Index: lib/Basic/Targets/X86.cpp
===================================================================
--- lib/Basic/Targets/X86.cpp
+++ lib/Basic/Targets/X86.cpp
@@ -182,7 +182,8 @@
     setFeatureEnabledImpl(Features, "xsavec", true);
     setFeatureEnabledImpl(Features, "xsaves", true);
     setFeatureEnabledImpl(Features, "mpx", true);
-    setFeatureEnabledImpl(Features, "sgx", true);
+    if (Kind != CK_SkylakeServer) // SKX inherits all SKL features, except SGX
+      setFeatureEnabledImpl(Features, "sgx", true);
     setFeatureEnabledImpl(Features, "clflushopt", true);
     setFeatureEnabledImpl(Features, "rtm", true);
     LLVM_FALLTHROUGH;


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