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| author | Jeff Cohen <jeffc@jolt-lang.org> | 2007-04-16 21:59:44 +0000 |
|---|---|---|
| committer | Jeff Cohen <jeffc@jolt-lang.org> | 2007-04-16 21:59:44 +0000 |
| commit | c3987095259e2c80f0bb015e61b2b766db63b33f (patch) | |
| tree | a59d179bd275a4325e56de4e7494831b0e06d5a8 /lib/Target/X86/X86Subtarget.cpp | |
| parent | c657d2f68857cd495859dfe21c61d24b7936d4d0 (diff) | |
In the event that some really old non-Intel or -AMD CPU is encountered...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36177 91177308-0d34-0410-b5e6-96231b3b80d8
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() { |