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X86: Add target description for btver2; make autodetection logic aware of AVX.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181005 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2013-05-03 10:20:08 +00:00
parent 555e8f606f
commit b9548d8ee3
2 changed files with 14 additions and 4 deletions
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lib/Support/Host.cpp
+8 -3
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@@ -355,10 +355,15 @@ std::string sys::getHostCPUName() {
case 20:
return "btver1";
case 21:
if (Model <= 15)
return "bdver1";
else if (Model <= 31)
if (!HasAVX) // If the OS doesn't support AVX provide a sane fallback.
return "btver1";
if (Model > 15 && Model <= 31)
return "bdver2";
return "bdver1";
case 22:
if (!HasAVX) // If the OS doesn't support AVX provide a sane fallback.
return "btver1";
return "btver2";
default:
return "generic";
}