diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86Subtarget.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp index ae22298..d7e3efc 100644 --- a/lib/Target/X86/X86Subtarget.cpp +++ b/lib/Target/X86/X86Subtarget.cpp @@ -246,8 +246,11 @@ void X86Subtarget::AutoDetectSubtargetFeatures() { } // If it's Nehalem, unaligned memory access is fast. - // FIXME: Nehalem is family 6. Also include Westmere and later processors? - if (Family == 15 && Model == 26) { + // Include Westmere and Sandy Bridge as well. + // FIXME: add later processors. + if ((Family == 6 && Model == 26) || + (Family == 6 && Model == 44) || + (Family == 6 && Model == 42)) { IsUAMemFast = true; ToggleFeature(X86::FeatureFastUAMem); } |