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X86: Add a description for AMD bdver3 aka Steamroller.

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This is just bdver2 + FSGSBase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193984 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2013-11-04 10:29:20 +00:00
parent fa0da86a59
commit 00e3be6134
2 changed files with 13 additions and 3 deletions
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8
lib/Support/Host.cpp
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@ -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";

8
lib/Target/X86/X86.td
View File

@ -308,6 +308,14 @@ def : Proc<"bdver2", [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
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]>;