X86: when auto-detecting the subtarget features, make sure use IsIntel to detect
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
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index d7e3efc..9087852 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -248,9 +248,9 @@
// 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);
}