From: Craig Topper <craig.topper@gmail.com>
Date: Tue, 20 Aug 2013 05:22:42 +0000 (+0000)
Subject: Add AVX-512 and related features to the CPUID detection code.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3b7722cf3a751fc332cfce4dc8d63ecd83deb127;p=oota-llvm.git

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188745 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index fae90f2fdb9..fb9b55bfac7 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -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);
+      }
     }
   }
 }