diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86Subtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86Subtarget.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp index 4e8e04b1112c..b563f6ebce34 100644 --- a/llvm/lib/Target/X86/X86Subtarget.cpp +++ b/llvm/lib/Target/X86/X86Subtarget.cpp @@ -279,6 +279,13 @@ void X86Subtarget::initSubtargetFeatures(StringRef CPU, StringRef TuneCPU, FullFS += ",+evex512"; } + // Disable 64-bit only features in non-64-bit mode. + SmallVector<StringRef, 9> FeaturesIn64BitOnly = { + "egpr", "push2pop2", "ppx", "ndd", "ccmp", "nf", "cf", "zu", "uintr"}; + if (FullFS.find("-64bit-mode") != std::string::npos) + for (StringRef F : FeaturesIn64BitOnly) + FullFS += ",-" + F.str(); + // Parse features string and set the CPU. ParseSubtargetFeatures(CPU, TuneCPU, FullFS); |