diff options
| -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 d04f6e761ee..963b32b2c46 100644 --- a/llvm/lib/Support/Host.cpp +++ b/llvm/lib/Support/Host.cpp @@ -1217,6 +1217,8 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) { Features["tbm"] = HasExtLeaf1 && ((ECX >> 21) & 1); Features["mwaitx"] = HasExtLeaf1 && ((ECX >> 29) & 1); + Features["64bit"] = HasExtLeaf1 && ((EDX >> 29) & 1); + // Miscellaneous memory related features, detected by // using the 0x80000008 leaf of the CPUID instruction bool HasExtLeaf8 = MaxExtLevel >= 0x80000008 && |
