[llvm] r207847 - Add a description for AMD's bdver4 (aka Excavator).

[Benjamin Kramer]

Author: d0k
Date: Fri May  2 10:47:07 2014
New Revision: 207847

URL: http://llvm.org/viewvc/llvm-project?rev=207847&view=rev
Log:
Add a description for AMD's bdver4 (aka Excavator).

This is just bdver3 + AVX2 + BMI2.

Modified:
    llvm/trunk/lib/Support/Host.cpp
    llvm/trunk/lib/Target/X86/X86.td

Modified: llvm/trunk/lib/Support/Host.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Host.cpp?rev=207847&r1=207846&r2=207847&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Host.cpp (original)
+++ llvm/trunk/lib/Support/Host.cpp Fri May  2 10:47:07 2014
@@ -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)

Modified: llvm/trunk/lib/Target/X86/X86.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86.td?rev=207847&r1=207846&r2=207847&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86.td (original)
+++ llvm/trunk/lib/Target/X86/X86.td Fri May  2 10:47:07 2014
@@ -329,6 +329,13 @@ def : Proc<"bdver3",          [FeatureXO
                                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]>;