[PATCH] D45058: [X86] Disable SGX for Skylake Server
Gabor Buella via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Mar 29 11:48:05 PDT 2018
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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