diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86Subtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86Subtarget.cpp | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp index 185f45b4cf1..5ceafa4c593 100644 --- a/llvm/lib/Target/X86/X86Subtarget.cpp +++ b/llvm/lib/Target/X86/X86Subtarget.cpp @@ -327,21 +327,20 @@ X86Subtarget::X86Subtarget(const Module &M, const std::string &FS, bool is64Bit) } else { // Otherwise, use CPUID to auto-detect feature set. AutoDetectSubtargetFeatures(); - if (Is64Bit && X86SSELevel < SSE2) { - // Make sure SSE2 is enabled, it is available on all X86-64 CPUs. - X86SSELevel = SSE2; - } - } - - // If requesting codegen for X86-64, make sure that 64-bit features - // are enabled. - if (Is64Bit) { + // If requesting codegen for X86-64, make sure that 64-bit features + // are enabled. + if (Is64Bit) HasX86_64 = true; + // Make sure SSE2 is enabled; it is available on all X86-64 CPUs. + if (Is64Bit && X86SSELevel < SSE2) + X86SSELevel = SSE2; } - assert(!Is64Bit || HasX86_64); + DOUT << "Subtarget features: SSELevel " << X86SSELevel << ", 3DNowLevel " << X863DNowLevel << ", 64bit " << HasX86_64 << "\n"; + assert((!Is64Bit || HasX86_64) && + "64-bit code requested on a subtarget that doesn't support it!"); // Set the boolean corresponding to the current target triple, or the default // if one cannot be determined, to true. |
