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X86: when auto-detecting the subtarget features, make sure use IsIntel to detect

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Nehalem, Westmere and Sandy Bridge. AMD also has processor family 6.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161763 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren 2012-08-13 17:26:46 +00:00
parent a3a3219b3a
commit de7f1c2517
1 changed files with 2 additions and 2 deletions
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4
lib/Target/X86/X86Subtarget.cpp
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@ -248,9 +248,9 @@ void X86Subtarget::AutoDetectSubtargetFeatures() {
// If it's Nehalem, unaligned memory access is fast.
// Include Westmere and Sandy Bridge as well.
// FIXME: add later processors.
if ((Family == 6 && Model == 26) ||
if (IsIntel && ((Family == 6 && Model == 26) ||
(Family == 6 && Model == 44) ||
(Family == 6 && Model == 42)) {
(Family == 6 && Model == 42))) {
IsUAMemFast = true;
ToggleFeature(X86::FeatureFastUAMem);
}