diff options
Diffstat (limited to 'llvm/lib/Support/Host.cpp')
| -rw-r--r-- | llvm/lib/Support/Host.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp index 046aed82e46..9cc21a284a8 100644 --- a/llvm/lib/Support/Host.cpp +++ b/llvm/lib/Support/Host.cpp @@ -1262,6 +1262,9 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) { Features["pku"] = HasLeaf7 && ((ECX >> 4) & 1); Features["vaes"] = HasLeaf7 && ((ECX >> 9) & 1) && HasAVXSave; + // VPCLMULQDQ (carry-less multiplication quadword) + Features["vpclmulqdq"] = HasLeaf7 && ((ECX >> 10) & 1) && HasAVXSave; + bool HasLeafD = MaxLevel >= 0xd && !getX86CpuIDAndInfoEx(0xd, 0x1, &EAX, &EBX, &ECX, &EDX); |
