diff options
Diffstat (limited to 'lib/Target/X86/X86Subtarget.cpp')
| -rw-r--r-- | lib/Target/X86/X86Subtarget.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp index 3ae6e61937..5bd70e4022 100644 --- a/lib/Target/X86/X86Subtarget.cpp +++ b/lib/Target/X86/X86Subtarget.cpp @@ -269,9 +269,14 @@ X86Subtarget::X86Subtarget(const std::string &TT, const std::string &CPU, // Otherwise, use CPUID to auto-detect feature set. AutoDetectSubtargetFeatures(); - // Make sure SSE2 is enabled; it is available on all X86-64 CPUs. - if (In64BitMode && !HasAVX && X86SSELevel < SSE2) - X86SSELevel = SSE2; + // Make sure 64-bit features are available in 64-bit mode. + if (In64BitMode) { + HasX86_64 = true; + HasCMov = true; + + if (!HasAVX && X86SSELevel < SSE2) + X86SSELevel = SSE2; + } } DEBUG(dbgs() << "Subtarget features: SSELevel " << X86SSELevel |