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Add ADX CPUID detection

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178299 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Liao 2013-03-28 22:29:53 +00:00
parent 8e4cd40b27
commit 5a8386e1df
1 changed files with 4 additions and 0 deletions
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4
lib/Target/X86/X86Subtarget.cpp
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@ -330,6 +330,10 @@ void X86Subtarget::AutoDetectSubtargetFeatures() {
HasRTM = true; HasRTM = true;
ToggleFeature(X86::FeatureRTM); ToggleFeature(X86::FeatureRTM);
} }
if (IsIntel && ((EBX >> 19) & 0x1)) {
HasADX = true;
ToggleFeature(X86::FeatureADX);
}
} }
} }
} }