diff options
Diffstat (limited to 'llvm/lib/Support/Host.cpp')
-rw-r--r-- | llvm/lib/Support/Host.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp index d7c9947b02d..c0f9e0744b5 100644 --- a/llvm/lib/Support/Host.cpp +++ b/llvm/lib/Support/Host.cpp @@ -812,6 +812,8 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) { Features["rdseed"] = HasLeaf7 && ((EBX >> 18) & 1); Features["adx"] = HasLeaf7 && ((EBX >> 19) & 1); Features["sha"] = HasLeaf7 && ((EBX >> 29) & 1); + // Enable protection keys + Features["pku"] = HasLeaf7 && ((ECX >> 4) & 1); // AVX512 is only supported if the OS supports the context save for it. Features["avx512f"] = HasLeaf7 && ((EBX >> 16) & 1) && HasAVX512Save; |