[llvm] r193984 - X86: Add a description for AMD bdver3 aka Steamroller.

[Benjamin Kramer]

Author: d0k
Date: Mon Nov  4 04:29:20 2013
New Revision: 193984

URL: http://llvm.org/viewvc/llvm-project?rev=193984&view=rev
Log:
X86: Add a description for AMD bdver3 aka Steamroller.

This is just bdver2 + FSGSBase.

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=193984&r1=193983&r2=193984&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Host.cpp (original)
+++ llvm/trunk/lib/Support/Host.cpp Mon Nov  4 04:29:20 2013
@@ -348,9 +348,11 @@ std::string sys::getHostCPUName() {
       case 21:
         if (!HasAVX) // If the OS doesn't support AVX provide a sane fallback.
           return "btver1";
-        if (Model > 15 && Model <= 31)
-          return "bdver2";
-        return "bdver1";
+        if (Model >= 0x30)
+          return "bdver3"; // 30h-3Fh: Steamroller
+        if (Model >= 0x10)
+          return "bdver2"; // 10h-1Fh: Piledriver
+        return "bdver1";   // 00h-0Fh: Bulldozer
       case 22:
         if (!HasAVX) // If the OS doesn't support AVX provide a sane fallback.
           return "btver1";

Modified: llvm/trunk/lib/Target/X86/X86.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86.td?rev=193984&r1=193983&r2=193984&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86.td (original)
+++ llvm/trunk/lib/Target/X86/X86.td Mon Nov  4 04:29:20 2013
@@ -308,6 +308,14 @@ def : Proc<"bdver2",          [FeatureXO
                                FeatureF16C, FeatureLZCNT,
                                FeaturePOPCNT, FeatureBMI,  FeatureTBM,
                                FeatureFMA]>;
+
+// Steamroller
+def : Proc<"bdver3",          [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
+                               FeatureAES, FeaturePRFCHW, FeaturePCLMUL,
+                               FeatureF16C, FeatureLZCNT,
+                               FeaturePOPCNT, FeatureBMI,  FeatureTBM,
+                               FeatureFMA, FeatureFSGSBase]>;
+
 def : Proc<"geode",           [Feature3DNowA]>;
 
 def : Proc<"winchip-c6",      [FeatureMMX]>;