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 69362704687..4a7eff3f6e3 100644 --- a/llvm/lib/Support/Host.cpp +++ b/llvm/lib/Support/Host.cpp @@ -1375,6 +1375,9 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) { // detecting features using the "-march=native" flag. // For more info, see X86 ISA docs. Features["pconfig"] = HasLeaf7 && ((EDX >> 18) & 1); + bool HasLeaf7Subleaf1 = + MaxLevel >= 7 && !getX86CpuIDAndInfoEx(0x7, 0x1, &EAX, &EBX, &ECX, &EDX); + Features["avx512bf16"] = HasLeaf7Subleaf1 && ((EAX >> 5) & 1) && HasAVX512Save; bool HasLeafD = MaxLevel >= 0xd && !getX86CpuIDAndInfoEx(0xd, 0x1, &EAX, &EBX, &ECX, &EDX); |
