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author | Michael Liao <michael.liao@intel.com> | 2013-03-28 22:29:53 +0000 |
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committer | Michael Liao <michael.liao@intel.com> | 2013-03-28 22:29:53 +0000 |
commit | 5a8386e1dfc9897bde39be2519bb5a6949623f64 (patch) | |
tree | bee4c740ab2268e327ba97a71e9996465f1f599c /lib | |
parent | 8e4cd40b27adebd06aa2565111a7f5b2555b2b75 (diff) | |
download | external_llvm-5a8386e1dfc9897bde39be2519bb5a6949623f64.zip external_llvm-5a8386e1dfc9897bde39be2519bb5a6949623f64.tar.gz external_llvm-5a8386e1dfc9897bde39be2519bb5a6949623f64.tar.bz2 |
Add ADX CPUID detection
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178299 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Target/X86/X86Subtarget.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp index 6e66c1a..fa99129 100644 --- a/lib/Target/X86/X86Subtarget.cpp +++ b/lib/Target/X86/X86Subtarget.cpp @@ -330,6 +330,10 @@ void X86Subtarget::AutoDetectSubtargetFeatures() { HasRTM = true; ToggleFeature(X86::FeatureRTM); } + if (IsIntel && ((EBX >> 19) & 0x1)) { + HasADX = true; + ToggleFeature(X86::FeatureADX); + } } } } |