diff options
| author | Pengfei Wang <pengfei.wang@intel.com> | 2019-08-12 01:29:46 +0000 |
|---|---|---|
| committer | Pengfei Wang <pengfei.wang@intel.com> | 2019-08-12 01:29:46 +0000 |
| commit | e28cbbd5d49f69385a859d1628d3661627af81e7 (patch) | |
| tree | c93526ff30cf58d786c06b9be8cee00d93eb8310 /llvm/lib/Support | |
| parent | cb5a90fd314a7914cf293797bb4fd7a6841052cf (diff) | |
| download | bcm5719-llvm-e28cbbd5d49f69385a859d1628d3661627af81e7.tar.gz bcm5719-llvm-e28cbbd5d49f69385a859d1628d3661627af81e7.zip | |
[X86] Support -march=tigerlake
Support -march=tigerlake for x86.
Compare with Icelake Client, It include 4 more new features ,they are
avx512vp2intersect, movdiri, movdir64b, shstk.
Patch by Xiang Zhang (xiangzhangllvm)
Differential Revision: https://reviews.llvm.org/D65840
llvm-svn: 368543
Diffstat (limited to 'llvm/lib/Support')
| -rw-r--r-- | llvm/lib/Support/Host.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp index 3ad1495957b..836b363efd9 100644 --- a/llvm/lib/Support/Host.cpp +++ b/llvm/lib/Support/Host.cpp @@ -746,6 +746,13 @@ getIntelProcessorTypeAndSubtype(unsigned Family, unsigned Model, break; default: // Unknown family 6 CPU, try to guess. + // TODO detect tigerlake host + if (Features3 & (1 << (X86::FEATURE_AVX512VP2INTERSECT - 64))) { + *Type = X86::INTEL_COREI7; + *Subtype = X86::INTEL_COREI7_TIGERLAKE; + break; + } + if (Features & (1 << X86::FEATURE_AVX512VBMI2)) { *Type = X86::INTEL_COREI7; *Subtype = X86::INTEL_COREI7_ICELAKE_CLIENT; @@ -1078,6 +1085,8 @@ static void getAvailableFeatures(unsigned ECX, unsigned EDX, unsigned MaxLeaf, setFeature(X86::FEATURE_AVX5124VNNIW); if (HasLeaf7 && ((EDX >> 3) & 1) && HasAVX512Save) setFeature(X86::FEATURE_AVX5124FMAPS); + if (HasLeaf7 && ((EDX >> 8) & 1) && HasAVX512Save) + setFeature(X86::FEATURE_AVX512VP2INTERSECT); unsigned MaxExtLevel; getX86CpuIDAndInfo(0x80000000, &MaxExtLevel, &EBX, &ECX, &EDX); |
