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Add AVX-512 and related features to the CPUID detection code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188745 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2013-08-20 05:22:42 +00:00
parent b5e1d5b46f
commit 3b7722cf3a
1 changed files with 19 additions and 3 deletions
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22
lib/Target/X86/X86Subtarget.cpp
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@ -351,14 +351,30 @@ void X86Subtarget::AutoDetectSubtargetFeatures() {
HasRTM = true;
ToggleFeature(X86::FeatureRTM);
}
if (IsIntel && ((EBX >> 19) & 0x1)) {
HasADX = true;
ToggleFeature(X86::FeatureADX);
if (IsIntel && ((EBX >> 16) & 0x1)) {
X86SSELevel = AVX512;
ToggleFeature(X86::FeatureAVX512);
}
if (IsIntel && ((EBX >> 18) & 0x1)) {
HasRDSEED = true;
ToggleFeature(X86::FeatureRDSEED);
}
if (IsIntel && ((EBX >> 19) & 0x1)) {
HasADX = true;
ToggleFeature(X86::FeatureADX);
}
if (IsIntel && ((EBX >> 26) & 0x1)) {
HasPFI = true;
ToggleFeature(X86::FeaturePFI);
}
if (IsIntel && ((EBX >> 27) & 0x1)) {
HasERI = true;
ToggleFeature(X86::FeatureERI);
}
if (IsIntel && ((EBX >> 28) & 0x1)) {
HasCDI = true;
ToggleFeature(X86::FeatureCDI);
}
}
}
}