diff options
Diffstat (limited to 'lib/Target/X86/X86Subtarget.cpp')
| -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 3333a3a885..124c97ac70 100644 --- a/lib/Target/X86/X86Subtarget.cpp +++ b/lib/Target/X86/X86Subtarget.cpp @@ -115,8 +115,11 @@ void X86Subtarget::AutoDetectSubtargetFeatures() { if (ECX & 0x1) X86SSELevel = SSE3; if ((ECX >> 9) & 0x1) X86SSELevel = SSSE3; - X86::GetCpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX); - HasX86_64 = (EDX >> 29) & 0x1; + if (memcmp(text.c, "GenuineIntel", 12) == 0 || + memcmp(text.c, "AuthenticAMD", 12) == 0) { + X86::GetCpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX); + HasX86_64 = (EDX >> 29) & 0x1; + } } static const char *GetCurrentX86CPU() { |