6 ms·

You can use -mno-popcnt for this. Godbolt: https://godbolt.org/z/raszoEedr https://godbolt.org/z/raszoEedr Reference: https://clang.llvm.org/docs/ClangCommand

You can use -mno-popcnt for this. Godbolt: https://godbolt.org/z/raszoEedr https://godbolt.org/z/raszoEedr Reference: https://clang.llvm.org/docs/ClangCommandLineReference.html#cmdoption-clang-mpopcnt https://clang.llvm.org/docs/ClangCommandLineReference.html#c...

dzaima 2y ago
This doesn't help help with ARM, which doesn't have a separate feature flag for popcount.
- matthews2 2y ago
  Oops, my bad. I was stuck in Intel land. The option I linked is even listed under the x86-specific options...