Add a description for AMD's bdver4 (aka Excavator).

This is just bdver3 + AVX2 + BMI2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207847 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/Host.cpp b/lib/Support/Host.cpp
index dc90c8cc4ae7553ba57f49517b2fed346380cf49..83f25463a148d2f9c86e7f77f45d0940d4909916 100644 (file)
--- a/lib/Support/Host.cpp
+++ b/lib/Support/Host.cpp
@@ -435,6 +435,8 @@ StringRef sys::getHostCPUName() {
       case 21:
         if (!HasAVX) // If the OS doesn't support AVX provide a sane fallback.
           return "btver1";
+        if (Model >= 0x50)
+          return "bdver4"; // 50h-6Fh: Excavator
         if (Model >= 0x30)
           return "bdver3"; // 30h-3Fh: Steamroller
         if (Model >= 0x10)

diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index 78edcf04788a54895110a37b8d0447fb5b3caf51..423c2c973d091b2654837560db4313f1d9f3d0cc 100644 (file)
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -329,6 +329,13 @@ def : Proc<"bdver3",          [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
                                FeaturePOPCNT, FeatureBMI,  FeatureTBM,
                                FeatureFMA, FeatureFSGSBase]>;
 
+// Excavator
+def : Proc<"bdver4",          [FeatureAVX2, FeatureXOP, FeatureFMA4,
+                               FeatureCMPXCHG16B, FeatureAES, FeaturePRFCHW,
+                               FeaturePCLMUL, FeatureF16C, FeatureLZCNT,
+                               FeaturePOPCNT, FeatureBMI, FeatureBMI2,
+                               FeatureTBM, FeatureFMA, FeatureFSGSBase]>;
+
 def : Proc<"geode",           [Feature3DNowA]>;
 
 def : Proc<"winchip-c6",      [FeatureMMX]>;