[PATCH] D41962: Fix TestYMMRegisters for older machines without AVX2

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

I don't know what platforms this needs to support. But __builtin_cpu_support only works when compiled with clang or gcc. And it requires compiler-rt or libgcc. I don't know if that's guaranteed to exist on Windows.


Repository:
  rL LLVM

https://reviews.llvm.org/D41962